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S40 / V40 '96-'04 General Forum for the Volvo S40 and V40 (Classic) Series from 1995-2004. |
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Bad oil leak from the bottom turbo pipe ?any helpViews : 4889 Replies : 14Users Viewing This Thread : |
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Jan 25th, 2009, 22:56 | #1 |
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Bad oil leak from the bottom turbo pipe ?any help
any brains out here with a bit of info they can help me with please my brothers volvo v40 s plate 2litre t has a bad leak of oil, after inspecting where and how its comming from i discovered that the pipe coming from the bottom of the turbo unit and goes into the engine at the rear above the sump, has been cocked up with silicon mastic, this seems to be were the oils comming out under load and spraying the exhaust and underneath the car can these pipes be replaced ?also what keeps the pipe in situ cheers
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Jan 25th, 2009, 23:07 | #2 |
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'Think' that is the oil return pipe or feed pip, it's a hard pipe that connects to the sump...a common failure point is the seals on the pipes...is it definitely the pipe itself?
They can be replaces though yeah, kinda easier to remove the turbo though |
Jan 25th, 2009, 23:10 | #3 |
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yep defo the pipe that connects to the sump last owner must have bunged alot of rubber type mastik around the base of the pipe that goes into the top of the sump, are these just push fit with a seal ?
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Jan 25th, 2009, 23:12 | #4 |
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Enigma666 pipe looks ok its where the pipe seats into the engine around the base of the pipe ?
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Jan 25th, 2009, 23:23 | #5 |
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There are two 6mm hex (allen) bolts holding it to the turbo. There's also a clamp/bracket half way down the pipe and is connected to the water pipe running parallel to the oil return. Once these are removed the pipe can be just pulled from the block. A new seal for the block and gasket for the turbo side is about €4 in total. When replacing put a little vaseline on the seal and place it on the end of the pipe, then place it into the block and do up your bolts at the turbo side and finally your clamp/bracket.
This has been widely covered some time back so a search should bring up some more info. Good luck...
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Jan 25th, 2009, 23:29 | #6 |
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cheers for the info baffler much appreciated mate
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Jan 26th, 2009, 09:22 | #7 |
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Just please be carefull when fitting it back in with the new seal, if u dont place it in correctly it will start to leak again wich can happen so easily. Are u sure that it is where the leak is coming from because sometimes the leak itself comes from the turbo feed pipe(wich sometimes cracks due to vibration) then it runs down the turbo onto the return pipe and from there the oil runs down to the sump where the return pipe goes into. Its worth a check.. I recommend that u also smear some high heat silicone around the pipe when u fitted it back in.
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Jan 26th, 2009, 09:57 | #8 |
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Common failure point is the seals for the oil return, it will be that no doubt. The pipe is a hard pipe and 'should' never (unless already crimped etc) split.
Straight forward enough job to do tbh just a little fiddly getting access to it, best coming in from underneath if you have ramps even better |
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Jan 26th, 2009, 11:30 | #9 |
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sounds about right i crawled under and located the leak fro where the pipe sits into the top of the sump its not leaking down the pipe thats bone dry, it defo comming from where the pipe sits into the engine ,looks like im getting my hands dirty once again while my brother watches and learns
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Jan 26th, 2009, 11:45 | #10 |
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There is a small amount of play in the pipe so you 'should' be able to get the seal in without having to undo both ends of the pipe, but be careful! kink the pipe and risk starving the turbo etc....not a pretty sight
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