Focus Fanatics - View Single Post - Thermostat housing leak
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Old 12-23-2012, 05:22 PM   #32
emsvitil
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Join Date: Sep 2007
Fan#: 50210
Location: SoCal, CA
What I Drive: 2000 SE Wagon

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I found another leak point. The cylinder head corrodes at where the thermostat housing goes:

http://www.focusfanatics.com/forum/showthread.php?t=303682


Ultra black RTV smeared on the head (after removing corrosion), the thermostat housing groove (before o-ring), and over the thermostat housing and o-ring fixed the leak.
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