Question about 2002 Volkswagen Passat
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Posted on Jan 02, 2017
SOURCE: My 2002 vw passat check
There is a coolant reservoir on the driver side of the engine compartment. You just need to take the cap off and add coolant to the max lever when the car is cold. Never open it with the engine hot. Then you need to use the coolant type G12. You won't find it anywhere else but directly from the dealer. Its very important to use the this type of coolant so you dont damage any component of your cooling system. You're be paying about $17.50 per galon of G12 or price may be different depending of which state you're at.
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Posted on Mar 04, 2011
Usually there is a plug on the upper radiator hose. If you pull the horseshoe clip and remove the plug you can let the air bleed out of the system
Posted on May 19, 2010
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
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