A4 (B7 Platform) Discussion Discussion forum for the B7 Audi A4 produced from 2005-2008.5

Coolant leak

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Old 04-22-2024, 10:34 AM
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Default Coolant leak

Did the oil filter housing and every since have a coolant leak. Put a junkyard oil cooler on it and still leaking. I have checked all around the filter housing and oil cooler and cannot find any moisture but it leaves a big wet spot after sitting over nite. The coolant tank is dry also. Maybe time to sell this thing. Enjoy driving it but tired of always having to work on it.
Old 04-26-2024, 08:00 AM
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Hi
I don’t know if you sold it already but if not, the coolant does not run through oil filter. So it’s possible that you or the mechanic cracked a water/coolant pipe while replacing the filter. Also check the thermostat housing.
hope this helps you.
Old 04-26-2024, 09:34 AM
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I replace the filter housing because of an oil leak. There is some coolant near the thermostat.
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