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Old 04-22-2018, 05:46 PM   #8
911monty
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Join Date: Oct 2014
Location: California Central Coast
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Garage
Good Luck. Hope this helps.

Quote:
Originally Posted by heymanwatchthis View Post
I think the slimy stuff could be from one of four sources:

1) Residual gunk from when car was built.
17 years and 107k later, not likely.

2) What is left of different type of coolant the previous owner used - coolant I drained and replaced with pink Porsche coolant was green.

Specific gravity of both coolants is approx. 1.0. Will mix not separate. Can possibly gel

3) Leaking heads, which is an issue with this era (2000-2002) M96. However I would think this would result in more oil incursion and intermix.

This is probable. Have Tests run, Pressure test, Leak down.

4) Oil cooler leak. This is my prime suspect, as the amount of oil is very small, and may be making its way to the coolant tank via the vent line that comes from top of cooler to the reservoir.

Hopefully. Remove exchanger and pressure test. Don't throw money and parts, test.




Gary
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