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Old 02-05-2013, 07:51 AM
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Bulk Bulk is offline
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Location: Mona Vale, Sydney, Australia
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Quote:
Originally Posted by ADarcy View Post
Thermostat failing
AC recharge
Transmission sealing sleeve leaking*
Oil and filter per your request
Oil leak from two shaft seals at cyl. head
Oil leak from upper timing cover gaskets
Two pulleys making noise
Instrument Cluster Pixels burned out
Sunroof weather stripping
Thermostat / pulleys
Remove the intake hood - (4 plastic retainers).

Remove the airbox - Remove the ring clamp engine side of the MAF and disconnect the MAF plug, then you should be able to bend the pipes up at the joint so and they should disconnect leaving just the last tube to the throttle, you should then be able to jiggle the airbox and MAF out (Don't lose the rubber feet from the airbox x2).

***** This saves you having to remove the engine plastic cover - if you want to remove the cover that will give you access to the throttle connection and you can remove that first and pull all the air tubing out. The above is just a shortcut******

Remove the aux fan - Remove the two plastic cross clips off the top, remove the top plastic box (that has wires coming out of it - it slides one way to release one end then the other), Unplug the fan plug just near the power steering container. Now the fan just pulls straight up and out (careful as there are two water pipes clipped into it - a total of 3 clips - make sure you don't bugger the pipes as you're pulling it out - the bottom clip will catch on the top pipe halfway out.

Now you have access to the thermostat bolted right on to the water pump from the left, remove the pipe from it first as its a bit of wriggle (you can either drain the system first or just let it piss out once you get the pipe off), once the pipe is off 3 bolts will remove the thermostat.

While you're there loosen the tensioner wheels for the aux belts, once they're loose remove the belts and replace them.

Then it all goes back on in reverse order - when putting the fan back in make sure that you get it in place, lift it an inch push the top and bottom hard towards the radiator and then let it drop into place.


When you're removing the valve covers (big job) don't slide the covers forward initially. You need to lift them straight up and get a small torx bit in from the back to the eccentric shaft sensors (pic below), you'll recognise them by their plug fitting and there are 3 bolts on each - you will snap these sensors off if you jiggle the valve cover too much before removing them and at $315 each not really a good idea



Can't help you with the burnt out cluster and the sunroof seal seems pretty straight forward.

Main thing with the cam covers is take your time - there are a lot of bolts and a lot of things to remove - it's not hard it's just time consuming and you can break things (which I did the first time) by trying to rush it.

Don't forget to plug the MAF back in, I always forget for some reason - maybe because the thing looks complete with the airbox back in and so my brain is halfway to the beer fridge
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2004 E53 4.4L N62

Last edited by Bulk; 02-05-2013 at 07:59 AM.
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