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My intercooler is leaking oil - 2002 Audi A4

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Intercooler is for a turbo charged or supercharged vehicle

you must mean your oil cooler you probably need to replace some clamps or the oil cooler lines they tend to break or become brittle after many years of use unless you hit something and cracked it. good luck

Posted on Sep 24, 2009

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Posted on Jan 02, 2017

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Oil leaks from hose from turbo to intercooler on a Navara D40


Remove metal jubilee clips, remove pipe tubing and clean with brake cleaner, replace the clips and refit, it will be fine as long as there is no holes or cracks in the pipe. No u don't have to clean out the intercooler it will sort it self out when you boost the vehicle ie pedal to metal!
The oil residue is just showing you have an air leak in the pipe, you may of experienced a slight lack of power going up hills or motorway driving too

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05 golf 1.9D TDI engine code BKC


Check the seals on the intercooler, for oil to get in the pipes means that the seals are damaged and its loosing compression

Jul 16, 2008 | 2005 Volkswagen Golf

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I have isuzu bighorn '92 model automatic,there is a leaking oil under the intercooler turbo...is this normal?thanks.


Leaking of any fluid is not normal. The only time any fluid should expel from the car is if you have overfilled something. Your turbo could need replacing, you could have a hole in the intercooler. Have you noticed any lack of performance or extra smoke...

Jan 26, 2014 | 1992 Isuzu Trooper

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Hi, I have a 2005 hilux 3.0 turbo Diesel , it started blowing blue smoke at startup from cold at 130,000ks . Once it warms up a little it clears.


There can be several reasons for this. You can have worn valve stem seals on the valves, which may change with warm oil, or you have worn oil rings in the cylinders.

A compression test when the engine is cold would reveal if the piston rings are worn. Another possibility could be a bad head gasket which leaks oil when cold and then seals when the heads warm. A compression test would also diagnose this.

Aug 27, 2012 | Toyota Hilux Cars & Trucks

1 Answer

My 96 tt 993 is accumulating oil in the intercooler and then spiling down to the left side onto the engine, is there an easy fix to this problem?


If oil is accumulting inside the inetercooler, it means that the turbo-shaft seal is leaking causing oil to by pass in to the intake system, then through to your intercooler. A quick check to see if this is a fault, remove the hose/piping from the turbo the intercooler and place a piece of white paper over the hole at the turbo where the air is dispelled. Run the engine for a few minutes and if you notice any oil occuring/building up on the white papaer, then it is the turbo seal. This method is used on everything from jetskis to dump trucks. If no oil is present then the oil leak will be coming from somewhere else on the engine, and being sucked in through to the top of the intercooler. May have to remove it to see where any other leaks are coming from.

Jan 22, 2011 | 1996 Porsche 911 Turbo 3.6

2 Answers

My wife has a 2000 diesel beetle. This last month


Well, a little oil in the intercooler is okay but a lot is not. Excessive oil in the intercooler usually means the seals in the turbo are leaking. VW diesel have a very bad problem with clogging the intake with carbon. If you remove the intake tube at the throttle body, hold open the "shut down" plate (the butterfly in the TB) and look with a light you will most likely see a huge restriction from goopy, black, carbon. The only way to clean it out well is to remove the intake and clean with carb cleaner, wire brushes and chisels. This could be the cause of overfull oil level (unburned fuel leaking down the cylinders due to lack of air flow from intake. I have seen and repaired lots of these and this sounds like your problem. Best of Luck

Aug 13, 2009 | 2000 Volkswagen Beetle

1 Answer

There is oil in my 2004 BMW 320d return pipe from the intercooler to the intake manifold and smoke when started.


simple. the trubo bearing/seal (probably more the seal) is stating to go and that is leaking oil into the return pipe. take pipe off and have a look at the turbo and see if you can see any oil leaking from inside of it. also oil in the intercooler = bad clean out after fixing the turbo = use solvent or something to dissolve oil but make sure you let the intercooler dry out before re-installing it

Jul 11, 2009 | BMW 3 Series Cars & Trucks

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2000 Audi S4 Oil leaking from turbos


The cheaper solution is to add oil from time to time.

Apr 19, 2009 | 2000 Audi S4

1 Answer

Volvo 940 turbo oil control valve location


take off pipe going to the intercooler from the turbo see if oil is found and clean then other pipe from incooler check it .if oil is found .drain oil in intercooler .you have an oil leak from the turbo this is why you will have light on far left of dash

Mar 01, 2009 | 1992 Volvo 940

3 Answers

Vw passat intercooler


it will become a bigger problem if you dont get it fixed. small problems always tend to get bigger

Nov 11, 2008 | 1997 Volkswagen Passat

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