Citroen AX – Stripdown – The Final Bit

Last few bits – Fuel tank, pipes and front struts and wishbones.

Lets start with the fuel tank.

1. Remove the filler cap and undo the 2 torx screws to release the filler tube.

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2. In the wheel arch there is a large plastic retainer which holds the bottom of the filler tube in place, this simply unscrews.

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3. This shows the plastic retainer removed.

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4. Now support the tank before going any further, If it still has fuel in it it could be heavy! Then undo the two retaining nuts and remove the rubber pads.

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5. Nuts removed.

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6. Up top remove the two fuel pipes and the wiring loom. The pipes may be difficult due to restricted access so just release the clips at this stage.

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7. Not necessary but you can remove the heatsheild. It is held on by 3 plastic “rivets”

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8. Now you can start to lower the tank (or lift the body up), Ensure you ease the filler pipes over the lip at the end of the sill.

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9. This pic shows the tank starting to come away. There rear edge comes down and when it is clear of the studs it can be pulled back to release the front edge.

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10. On the way down you need to put your hands over the front of the tank to reach up and release the two fuel pipes. There is a push in clip locating the pipes towards the passenger side. Follow the pipes along and you can feel it. Once removed, feed the pipes and wiring loom through the grommets and into the sill. Then inside the car pull the pipes and wire through the sill so that they are away from any danger of getting damaged during the welding of the sill.

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11. Finally remove the wishbones and struts. The wishbones are held on by the rear bracket which is attached to the floorpan via nuts accessed through a flap in the bulkhead sound deadening mat at the front of the foot well. Next undo and remove the front nut and bolt from the wishbone. Remove the two bolts securing the caliper tot he strut, release the trackrod end (1 nut), finally undo the two nuts at the top of the strut, hold the strut as you do this as it will drop down. The whole assembly can now be lifted off

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12. And there we have it – one shell ready to weld – I didn’t remove the windscreen, dash or headlining, or the steering rack and master cylinder.

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Next time mounting the shell on a “rotissery” so that I can “get at” the shell when welding.

 

Citroen AX – The Stripping Continues…….

Ok so I’m getting carried away here now but as I’ve got so far might as well get it down to pretty much a bare shell, will make it easier to cut out the rotten bits and weld it up again – tonights stripping removed the handbrake and gear lever, rear bumper, rear loom, tail gate catch, spare wheel carrier and finally the rear beam.

1.  First remove all the plastic blanking plugs – two big black ones over the diesel tank and four smaller white ones covering the rear beam mounting bolts.

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2. On petrol AX’s one hole has the fuel pump and the other the fuel gauge sender unit. On the diesel the pump is on the engine so there is nothing under one of the blanking plugs. This picture shows the flow and return pipes and the loom connecting to the sender unit.

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3. This shows the passenger side front rearbeam mounting hole, also the wiring loom that runs to the rear of the car removed and also the fuel pipes which will have to be removed to allow the rear of the sill to be welded.

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4.  This is the spare wheel carrier removed, simply completely undo the retaining bolt and then unhook the carrier.

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5. Most of the bolts at the rear end were pretty corroded so a quick squirt of penetrating oil on all the bolts and also the brake unions before proceeding further should make things easier.

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6. More squirts! (and an errant rubber exhaust hanger)

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7. Whilst waiting for thepenetrating oil to do its magic remove the gear lever.

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8. Inside the car undo the four M10 nuts around the gear lever.

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9. Lever removed and also large patch of rust.

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10. Next the handbrake, the cables need to be unhooked. Usually you slacken off the adjusters at the back of the brake drums, in this case being lazy I unbolted the lever to enable it to be moved back enough to be able to unhook the cables.

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11. From above undo the two 13mm bolts.

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12. And lift out the lever after disconnecting the cables from below.

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13. Handbrake removed. Now go underneath and unclip the handbrake cables all the way back to the rear brake drums.

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14. Now onto the rear bumper, first remove the two 10mm nuts underneath.

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15. On top lift out the three black plastic “rivets”

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16. Picture shows centre and left hand plastic fixings.

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17. Finally at either end of the bumper underneath releasethe clips, the bumper “cover” will then simply slide back.

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18. This shows the plastic bracket on the shell.

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19. This is the bumper itself, held on by two 10mm nuts. Undo the nuts and remove.

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20. Bumper removed, at the sameime unclip the wiring loom running from side to side.

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21.  Remove the earth wire.

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22.  Pull off the two plastic edge covers in the tail light apertures.

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23. Gone!

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24. Remove the tailgate catch, undo the two 10mm bolts.

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25. Lastly we are removing the rear beam (or axle). To do this you need to lift the back end of the car.

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26. Before starting to lift, disconnect the brake pipes from the hoses – watch out as the fluid will escape so be prepared to catch it. I’m replacing all pipes and hoses so the system will be drained anyway. Then undo the four large nuts from above. If you are lucky the nuts will undo without the bolts rotating. If not then you will need a helper to hold a spanner below, or you need to wedge a spanner above and undo the bolts from below. Beware as the front of the beam will drop down so it is wise to support this with an axle stand under the shock absorber mounting.

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27. Now lift the back end right up and the axle will be free. Lift the body high enough so that the rear axle can be rolled out on the wheels.

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28. Bare bottom!  Back end stripped and free of clutter ready to clean up and have the rusty bits repaired.

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29. Rear Beam and bumper removed.

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Next time – removing the last bits at the front – oh and also the fuel tank!

2015 Eclipse – non event in the south east

20th March 2015. Yet again in the south east cloud cover removed any chance of seeing an astronomical (is that the right term?) event. However, the weather station did record a small but significant temperature drop at the time of the eclipse. The graph below shows a drop of around 0.5 degrees Celsius. Look at the green line on the bottom graph. Not much change in the windspeed though, it was said that during the eclipse the windspeed drops, but this time I can see no evidence here.

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Citroen AX – The Rust – in the most surprising places!

Having stripped the interior I could have a good look at the extent of the rust.

1. Drivers side inner sill. Where the floorpan meets the sill.

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2. This patch is on the inside beside the gear lever!  It is quite bad – how?????

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3. This is looking into the rear of the sill on the drivers side. Not too bad, it looks worse on the outside.

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4. And another close up.

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5. Can’t remember where this is!!!

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6. Drivers side rear inner arch – behind rear wheel.

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7. Same on the passenger side.

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8. Another mystery rot area, this is along the bottom of the passenger side rear quarter window, really very rotten in two small areas, worse on the inside!

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9. Same area from outside.

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10. Passenger side inside sill at the rear end.

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11. Front floor pan passenger side.

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12. Another two “funny” spots, above the passenger side front wishbone mountings. The mountings themselves are rust free – not to be confused with free rust.

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More pics of the underside later. So far it all looks striaght forward, the insides of the sills are not as bad as first feared.

Citroen AX – Strip Down!

Having removed the engine I then got carried away and decided to strip the rest of the car back to a bare shell so I could get at all the rust. So what started as a quick resurrection of a cheap and economical run around has turned (inevitably!) into pretty much a full restoration!

1.  Start at the drivers side front, remove the remaining wiring and the washer tubing to the windscreen.

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2. Remove the washer bottle, warm the washer tubing going to the rear screen with a heat gun to make it easy to remove from the pump.

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3. Undo the M10 bolt on the rear of the slam panel which acts as the earthing point for the drivers side lights.

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4. Nearly all clear this side.

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5.  Now work along the front of the car, unclip the inertia sensors from the front of the slam panel, also remove the metal clips. Not sure why there are two of them!

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6. Now on to the passenger side. Remove the brown pad warming wire.

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7. Unclip the wiring loom where it goes through the battery tray.

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8. Next the junction boxes – I took more pictures so I can see how they went when it comes to reassembly.

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9. This shows the cover removed.

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10. After unbolting the junction boxes unplug the three cables – note the order, the connectors do not appear to be keyed!

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11. Now onto the fuel pipes, note how it is all routed under the servo, note also the copper replacement brake pipes! Not the neatest job I’ve seen.

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12. Disconnect the vacuum pipe from the servo.

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13. Unbolt the priming pump from the inner wing and disconnect the fuel pipes. Flow is at the top, return at the bottom.

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14.  Remove the small plastic guide from the slam panel.

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15. Now unbolt the horn from the bracket (13mm) and the bracket from the inner wing (10mm)

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16. Now remove the drivers side engine mount. The top nut was seized and was just turning and stressing the rubber so I undid the larger nut accessible underneath from the inner wing, (hidden behind a plastic cover)

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17. Remove the three headlamp adjusters from the passenger side, noting their orientation. The two lower ones are held in with a plastic locking ring on the outside. The upper one just twists out.

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18. Same with the drivers side.

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19. This is the view from behind.

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20. And the other side.

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21. Remove the bonnet rest rubbers, two square blocks, one either side, just lift off – held on by a spring clip.

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22. Then the front adjustable rubber stops, these simply unscrew.

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23. Finally at the front is the windscreen wiper moter and mechanism. The AX has a single wiper and the whole unit is held in with a 13mm nut and 13mm nut & bolt. Undo these, unplug the loom and lift out.

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24.  Next it is on to the doors. Bash out the roll pin holding the door stay in place, do theis with the door open. Close the door and then bash the hing roll pins down wards. Use a 40mm long M6 bolt as a drift to drive the pin down through the hinge. Make sure the door is fully shut! When the pins have been drifted through simply lift the door away.

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25. Same the other side.

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26. Weight of the door taken by the hoist – though they are not that heavy.

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27. Now the interior. I have already removed the seats, the rear seats just lift out, the fronts are held in by four torx bolts. Once out remove the handbrake lever surround, 2 torx screws at the front and one Philips at the back under the ashtray.

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28. Pull out the storagage bin and undo the two 10mm nuts holding the centre console.

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29. Lever up the base of the gear lever gaiter, it just un clips. Then remove the single torx screw holding the rear end of the console.

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30. Undo the centre bracket, one 10mm nut and two 10mm bolts.

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31. Bracket removed.

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32. Unscrew the six retaining plastics along the front edge of the carpet – they are under the dashboard.

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33. Unscrew the Phillips screws holding the door sill trim in place – both sides. Then pull of the door seal rubbers. Also remove the lower seat belt mounts.

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34. Now remove the carpet, feed it carefully over the gear lever and handbrake.

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35. Then lift out the sound deadening/underlay – note the wet patch in the passenger foot well!

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36. Undo the two torx screws holding the rear cubbies in place

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37. Now unbolt the inertia real seat belt and remove the piece of sound deadening.

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38.

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39. Next there are 3 M10 bolts holding the rear trim in place – as well as the top wing nut on the rear lamp. Also undo the rear seat belt mountings.

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40. Shows wing nuts holding rear lamps.

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41. Passenger side rear lamp removed, disconnect wiring.

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42. And the drivers side.

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43. Remains of the loom

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44. Drivers side (pics for reference)

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45. Separate off the wires going up to the tailgate.

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46. Pull out the rubber protection tube that feeds the wires to the tailgate and pull the wires through. The connectors are a bit of a fiddle to get out.

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47. Undo the M10 bolts on the two hinges on the tailgate. Take the weight of the tailgate.

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48. Unclip the ends of the two struts, then lift the tailgate off. The hinges are stuck to the glass with mastic but they will separate with a little bit of pressure.

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49. Tail gate removed, now pull off the rubber as well.

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50. Feed the cable back through the car and over the wheel arch and finally pull it from the sill inside the car, this ensures the wires won’t get melted when I weld up the sills!

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51. Nearly stripped and ready!

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That about concludes the strip down on the inside. I can now see all of the rust – well all that except that underneath! See the next post for pics. Just the rear beam, fuel tank and front struts to remove to get the shell ready for welding.

Citroen AX – The Strip Down – Engine Removal First

Having decided the resurrection of this AX was viable the next step is to remove the engine. I did consider leaving it in but access to some of the rust that needs sorting on the inner wings would be difficult with the engine in place. I also suspect the head gasket is leaking and it is easier to replace and also change the cambelt with the engine out, I can also split the gearbox off and check the clutch.

So, step1….

 

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1. Start at the front and work back! As It is a complete strip down I am removing everything, so start with the plastic radiator shroud, held in by 4 plastic press fasteners. Whilst we are on easy bits undo the jubilee clip holding the air intake hose on to the air filter box. Unclip from the inner wing and remove.

 

 

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2. Next unbolt the bonnet catch from the slam panel, (2 x 13mm bolts).

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3. The remove throttle cable, simply remove spring clip, free the nipple and withdraw, remember to replace the spring clip on the cable so it doesn’t get lost.

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4.  Now onto the radiator. First undo the single 10mm bolt at one end of the fan unit, Slide the fan unit to the right and remove. I found it easiest to drop the fan unit down and remove underneath. You also need to unplug the cable from the fan motor.  Next undo the jubilee clips both ends of the top hose and remove the hose. Unplug the blue connector which is the temperature sensor for the fan.

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5. Then the bottom hose, just visible in the picture below.

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6. Next it is onto the air intake, undo the 4  (might be 5 I can’t remember) screws and the jubilee clip and lift the top of the airfilter housing. The element was filthy so this was thrown away.

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7. Undo the single bolt holding the lower part of the filter housing and simply lift up to remove.

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8. Air filter housing out of the way, now disconnect the heater hose seen here in the centre of the picture.

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9. At the other end we disconnect some more hoses and remove the header/expansion tank.

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10. To gain access to the second bolt holding the header tank you need to unscrew the filler neck of the windscreen washer bottle.

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11. Unclip and free the end of the other heater hose at the back of the engine.

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12. Hoses and tank removed its on to the clutch cable. Use a crow bar to move the clutch operating lever in and the free up the end of the clutch cable.

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13. Remove the last coolant hose from the back of the engine, under the right hand end of the exhaust manifold.

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14.  Now disconnect the multiplug which connects the engine loom to the main wiring loom (just under the servo).

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15. Now disconnect the positive lead that goes off to the starter motor. Access at the starter motor end is restricted so disconnect it at the end which connects to the positive of the battery.

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16.  Now disconnect the diesel flow and return pipes.

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17.  Disconnect the wiring on the passenger side inner wing.

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18.  Finally remove the earth bonding wire.

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19.  Underneath the car remove the rear section of the exhaust by undoing the two spring bolts and removing the rubber hangers. It will easily come off as one piece. There is no need to remove the front pipe from the manifold.

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20. Whilst under the car, “pop” off the three gear linkages. Do this with a 13mm open ended spanner and lever them apart.

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21.  Loosen the bolt on the lower mount. Do not fully remove at this stage, wait until the engine is tied to the hoist. Next remove the rubber “pin” securing the speedo cable to the gear box. This pulls out and the cable can the be lifted up.

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22. Back up top attach you hoist to the two lifting eys at either end of the cylinder head.

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23. Once the hoist has the main weight of the engine remove the two bolts securing the lower middle mount to the gearbox, and also completely remove the other bolt and remove the mount. Take care as the engine may swing backwards a little.

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24.  The underneath of the engine is now free!

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25. Onto the gearbox mount. Undo the two smaller 13mm nuts first.

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26.  Then the larger central bolt.

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27.  Remove the mount. Again take care as the whole assembly may move as the mount is released. Adjust the hoist if necessary.

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28. Last remove the three nuts holding the drivers side mount.

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29.  Once removed the engine is free.

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30. Now the engine is free lower it to the ground, its will only go down! Its too wide to lift up!

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31.  I use a levelling bar to “balance” the weight and keep the engine level on the hoist.

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32.  Use some wood blocks to steady the engine when it is on the floor. You now have to use the hoist to lift the car over the engine!

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33.  Use a chain (or rope) around the inner wishbone mounts to lift the car.

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34.  Keep lifting the car until it clears the top of the engine – needs lifting around 2 feet (600mm).

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35.  Once clear the car can be rolled back clear of the engine.

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36.   Car and engine are now divorced!

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37.  Now the engine and gearbox can be lifted onto a trolley to move them out of the way.

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38. I made a trolley out of 4 castors, four bits of dexion angle and a bit of old worktop.

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39. Once on the trolley the engine was secured by bolting a couple of bits of dexion angle between the trolley and the alternator mount and another to one of the gearbox bell housing bolts. Saves the problem of the engine tipping over and  breaking your leg!

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40. So here it is, engine and gearbox removed, doing a twirl on the custom trolley.

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41. Next ……. strip the rest of the car to get to the rust!

 

 

Citroen AX 1.5D ……. Front Wheel Bearing Replacement.

The first main task in getting the AX back on the road – or at least seeing if it is worth the effort of getting it back on the road – is to get to the bottom of the grinding noise. The noise is present at any speed, is road speed related and is load enough above a few MPH to drown out the diesel engine. It almost disappears when turning – even gently – right and gets a lot worse or harsher when turning left. This made me think a) front wheel bearing and b) passenger side – (this is based on the fact it gets worse as more weight is transferred onto that wheel).

Pics below show the way I did it – took about 2 hours for the passenger side.

1. Before jacking up the car or removing the road wheel slacken off the hub nut. This is tight! Use a 30mm socket and a 3 foot long bar. You will need to “chock” the front wheel. Make sure you push down and don’t be tempted to pull up as usually you end up lifting the wheel and the wheel spins round – the AX is a very light car!

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2.  Now jack up the car, Lift the entire front and support on axle stands placed under the “Y” pieces under the front foot wells. You need both wheels “hanging” on the suspension to remove any stress/twist from the anti-roll bar. Next remove the road wheel.

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3. Next unplug the brake pad wear indicator wires if fitted then undo the two bolts holding the calliper on, slightly ease the piston back and slide the calliper off. Use a thin bit of steel wire, string, rope or a bungy cord to tie up the calliper to the inner wing. DO NOT LET IT HANG ON THE BRAKE HOSE.

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4.  Undo the small torx headed crew which holds the brake disc in place and then remove the disc.  Then use a jack to slightly lift the bottom of the suspension strut, this takes any twist out of the anti roll bar. Next undo the two bolts securing the roll bar to the wich bone. Once the bolts are free lower the jack and the wishbone should come away from the roll bar. At this point also undo the nut holding the track rod end to the strut, Once removed split the ball joint – if you are lucky a light tap from a hammer will free it (take care not to damage the threads – leave the nut on until the joint is cracked), if not either use a ball joint splitter or use two hammers, one resting one side of the strut arm and give the other side a smart crack with the other hammer. This “squeezes” the taper joint and forces it apart – usually! Remove the hub nut.

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5. Now underneath the car remove the pinch bolt from the bottom of the strut that secures the bottom swivel pin. Then use a long pole as a lever, tie the pole to the wishbone as shown and use it to pull the wishbone down to free the pin from the strut, some help from a hammer may be required at this point

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6.  Undo the two nuts holding the top of the strut. As you undo the last one use one hand to hold the strut up – if you don’t it will drop on the floor, the drive shaft will slide out of the final drive and oil will go everywhere!

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7. Lastly, tap the end of the drive shaft so it slides out of the hub. As you pull the strut away from the car ensure the drive shaft stays pushed fully into the gearbox/final drive to prevent any oil coming out. When the strut is free lay it down and carefully rest the end of the drive shaft on the wishbone. Hopefully it will stay there and no oil will escape.

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8. The strut is now free and the bearing can be replaced.

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9. This pic shows the back of the bearing and the grease that has escaped – could this be the cause of the noise?

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10. Now remove the large circlip, you may need to clean it up first using a wire brush and then free it off by tapping the holes in the end of the circlip with a punch.

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11. Now you need to separate the hub from the strut. Use a suitably sized socket to fit over the centre part of the bearing and hit with a large hammer. The hub will gradually come out, usually bring one half of the bearing inner with it.

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12. This pic shows the hub with the bearing race half still in place. You can waste time here trying to use bearing puller to remove it but almost invariably you will be wasting your time. The method I use is to cut it of using a small grinder fitted with a cutting disc.

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13. Take lots of small cuts and take care not to damage the hub. The bearing race is hard and the last bit will crack if hit with a small cold chisel.

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14. The inner race is now off. That’s probably the worst bit!

 

 

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15. Now You need a press, support the under side on a large diameter tube – I use an old TU5 1.1 cylinder liner! Then press the bearing out, it will only go a little way but the press will crack the joint and get it moving. To finish the job off, remove from the press, rest the strut on a block of wood, use a large socket or similar and a large hammer and bash the bearing out It will move quite easily once the press has started it off.

 

 

 

 

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16. Here it all is in bits, justr wants cleaning up and putting back together.

 

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17. Clean up the recess in the end of the strut, ensure there is no rust or dirt around the bottom that will stop the new nearing going fully home, also make sure the groove for the circlip is clean.

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18. Next get the new bearing and smear the outside with a bit of oil to help it slide into the strut. Then go back to the press, ensure the strut is resting “square”, place the bearing in position, uses a thick metal bar to spread the pressure across the face of the bearing. Then press the bearing in.

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19. You need to use the old bearing placed on top of the new one to push the bearing fully home.

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20. Bearing is now in place.

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21. Now refit the circlip, ensure the circlip is fully seated in the groove.

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22. Clean the surface of the hub and cover with some oil and offer up to the strut. Squeeze the hub home in a large vice. Support the rear inner race with a large socket other wise the hub will push it out of the bearing. Finally refit the strut – in true Haynes manual style refitting is reverse of removal. Ensure all nuts are torqued up to manufacturers setting, Use a new hubnut and lock it, also use a new nyloc nut on the wishbone pinch bolt and track rod end. Also use some thread lock on the two calipper bolts.

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23. Finally go for a test drive. If you are fortunate you will find the noise has gone and the car is almost silent apart from the clatter and growl of the diesel engine. In my case it was still noisy. So time to look at the drivers side. Exactly the same procedure. This time however the bearing was really rusty and felt really rough. Once replaced the car was indeed it’s usual refined self!

Citroen AX 1.5D

This section of the mountain may (or may not) cover the “restoration” of a 1995 Citroen AX 1.5D, purchased by my youngest son for not a lot of money as a replacement for his AX Dimension of the same age. “It’s quite good dad” he announced as he assured me he had checked all the usual areas for rust – inner wings at the front, front bumper mounts, “Y” chassis box section below the front seats and the rear end of the sills. More worrying is the horrific “grinding noise” clearly audible above the clatter of the 1.5 litre diesel engine at anything above 5 MPH !!!.

Anyway this weekend saw the start of me taking a closer inspection.

2015-03-14 15.23.40Started by stripping off headlamps, indicators, bumper, grille and bonnet. At this stage the extent of some of the rust could be seen.

2015-03-14 15.23.54Inner front wing, notorious rust spot Peugeot 106’s don’t rust half as badly here as the have full wheel arch liners, the AX only has liners for the rear half of the arch so this area suffers badly. If you are lucky you can pick up a scrap 106 and cut this section ou – its identical and makes a perfect repair panel.

 

 

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This is the passenger side inner wing. The previous owner as spread a bit of body filler in the affected area – pretty useless really.

2015-03-14 15.24.23This is sign that the rust is worse than first thought. Its the cross member below the radiator, though you can’t see it the rear seaction has rusted right through. The good thing is it is a simple square box section so easy to fabricate and graft in a new one!

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Front wings removed.

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This reveals the rusty bumper mounts and rust further up on the inner wing. (below)

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Drivers side bumper mount – really quite weak. (Not that the AX was ever strong even when new)

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Disappointingly the wings themselves which ar e usually very good were rusty around the edges – may try to get hold of some better ones.

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Having depressed myself with the amount of rust repairs I thought it best to move onto checking out the grinding noise.  This to me sounded like a really shot wheelbearing – especially as it disappeared when cornering left and got worse when cornering right. I guessed nearside (passenger side to the layman) – see next post for wheel bearing replacement.