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Leaking M42 coolant expansion tank

This is a discussion on Leaking M42 coolant expansion tank within the 3-Series forums, part of the BMW Discussion Forums category; Hi All: After I did a coolant flush last week, coolant start to leak out at the bottom of the ...

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Old 09-30-2009, 08:49 AM   #1 (permalink)
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Leaking M42 coolant expansion tank

Hi All:
After I did a coolant flush last week, coolant start to leak out
at the bottom of the expansion tank (where it join to the radiator).
Replace the gasket at the bottom of the expansion tank, still leak.
Any idea?

Terry
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Old 10-02-2009, 09:23 AM   #2 (permalink)
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Go to wreckers buy new one, coolant is under pressure, patching usually doesn't work.
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