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Old 01-16-2013, 11:19 PM   #925
Stinger9
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Join Date: Sep 2011
Location: New York
Posts: 8,016
My Ride: '04 330Ci
Quote:
Originally Posted by caleb6 View Post
my two cents for this DIY:

First another question: What do you guys clean off the aluminum where the thermostat and water pump seal up against the engine? Mine are looking pretty corroded and I'm not sure what to clean them with or how?
If the Al surface is corroded some, clean it first with a gasket scraper and then perhaps an easy touch with some medium/fine wetsand paper.
If you think the gasket will not make up to the surface properly, consider some gasket sealer to fill in the recesses. And let it set for a few hours before filling the system. Overnight is best.

Last edited by Stinger9; 01-16-2013 at 11:20 PM.
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