Question about 2001 Volkswagen Passat
Posted by Anonymous on
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Posted on Jan 02, 2017
the piston needs to be screwed back in as it is being compressed. there are several aftermarket tool you can buy to do this from 10 to 200 dollars depending on how nice of a tool you want.also make sure when compressing piston that the hand brake is off all the way.
Posted on Mar 28, 2009
This is probably a head gasket problem and not an oil cooler problem.
The oil cooler is fairly easy to test.
Remove the cooler from the engine but do not disconnect cooling lines and then pressurize the cooling system. You can use a radiator test tool to put pressure on the cooling system and look for leaks. If it leaks, replace it.
You may also be able to bypass the oil cooler altogether if it leaks.
The head gasket is another story.
Get a 1/4" pipe to spark plug fitting and put a male air coupling fitting in it.
Then you can charge the cylinders with air from your compressor.
Make sure each cylinder that you test is at top dead center so that the valves are closed.
If air bubbles into your coolant, you found your problem.
If air leaks out your intake you have a bad intake valve
If air leaks out your exhaust you have a bad exhaust valve etc.
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Posted on Apr 15, 2009
Could be just the OIL COOLER. VW IS CORRECT.
If the oil cooloer fails internely you will have a mix of coolant and oil. In the engine and in the Radiator,
But not to say the other guys were wrong...
Posted on Jun 18, 2009
when you are looking at the engine pull off the plastic cover on top then the front cover that covers you timing belt there is a wire harness tha goes right to it in the left upper coner two ten mil bolts and it comes off careful not to drop bolts down in belt that could be bad. it is that easy
Posted on Sep 01, 2009
it is on the rear of the engine, on the left hand side. it leaks oil a lot and sometimes the switch goes bad too. by left hand side i mean the left of the vehicle, not your left if you are looking at the engine from the front. you replace it from up top. it is iether just below the head on the block, or on the head itself.
Posted on Mar 25, 2010
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