996 Turbo Oil Feed Pipe Removal
Discussion
My previous googling did not offer any reliable answers so here goes.
This is not about the basics, there are assumptions made.
A bit of background.
If you need the turbo out, you need to disconnect the oil feed pipe, the one that goes into the check valve that supplies the turbo bearings. If you live in an area where roads are salted, the likelyhood is that it will be impossible to do this, and you will have to cut off the pipe, requiring a replacement.
Now this is all about the RH pipe. The LH may be simpler, it seems less kinked.
At first glance this pipe disappears into the claustrophobic oblivion that we call the engine bay, never to be seen again, but in reality this pipe is rather short and goes to the front of the engine, visible from the top and also underside.
It pays to survey the route well, and study all access points.
In the middle of the pipe is a retention clip/strap, remove the bolt.
A pipe spanner in 12mm will remove the engine-front end fitting, working from the underside, with great patience, and assisting the placement and retention of the spanner on the end fitting with another hand coming around the top of the exhaust. Important, this latter. Use lube and use a second spanner on the end of the first to gain leverage. And lie down, make yourself comfortable, think of England, swear at the Germans or whatever, because this is a one-flat-at-a-time jobbie.
That done, the main thing to know is that this pipe will eventually come out sideways, i.e. not to the rear or front of the vehicle, but to the side.
Remove the coil packs shield.
Remove all sensors (not O2) and coil pack connections that are in the way. Basically ALL of them.
Remove one coil pack, it will be obvious which one.
Unclip the O2 sensors wires from the retention clip on the chassis (no need to disconnect them) so you have the length of wire to manouver.
At this point it's just a bit or a lot of fiddling to pull the rearwards part of the pipe (the one that goes to the front of the engine) sideways and down, and the rest will be obvious.
It's not that difficult really, if fiddly, but it's far from obvious at first or second glance. The main reason for this write up is that there is online mention of engine-dropping, which is not at all necessary, and also, one may also think it essential to remove stuff that does not need removing and is a real pain to do so anyway, such as a main oil feed line and a coolant hose, this latter if one very reasonably imagines that the pipe is removable upwards to the rear.
Pic later...
This is not about the basics, there are assumptions made.
A bit of background.
If you need the turbo out, you need to disconnect the oil feed pipe, the one that goes into the check valve that supplies the turbo bearings. If you live in an area where roads are salted, the likelyhood is that it will be impossible to do this, and you will have to cut off the pipe, requiring a replacement.
Now this is all about the RH pipe. The LH may be simpler, it seems less kinked.
At first glance this pipe disappears into the claustrophobic oblivion that we call the engine bay, never to be seen again, but in reality this pipe is rather short and goes to the front of the engine, visible from the top and also underside.
It pays to survey the route well, and study all access points.
In the middle of the pipe is a retention clip/strap, remove the bolt.
A pipe spanner in 12mm will remove the engine-front end fitting, working from the underside, with great patience, and assisting the placement and retention of the spanner on the end fitting with another hand coming around the top of the exhaust. Important, this latter. Use lube and use a second spanner on the end of the first to gain leverage. And lie down, make yourself comfortable, think of England, swear at the Germans or whatever, because this is a one-flat-at-a-time jobbie.
That done, the main thing to know is that this pipe will eventually come out sideways, i.e. not to the rear or front of the vehicle, but to the side.
Remove the coil packs shield.
Remove all sensors (not O2) and coil pack connections that are in the way. Basically ALL of them.
Remove one coil pack, it will be obvious which one.
Unclip the O2 sensors wires from the retention clip on the chassis (no need to disconnect them) so you have the length of wire to manouver.
At this point it's just a bit or a lot of fiddling to pull the rearwards part of the pipe (the one that goes to the front of the engine) sideways and down, and the rest will be obvious.
It's not that difficult really, if fiddly, but it's far from obvious at first or second glance. The main reason for this write up is that there is online mention of engine-dropping, which is not at all necessary, and also, one may also think it essential to remove stuff that does not need removing and is a real pain to do so anyway, such as a main oil feed line and a coolant hose, this latter if one very reasonably imagines that the pipe is removable upwards to the rear.
Pic later...
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