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Old 12-22-2000, 07:05 AM
420SEL 420SEL is offline
Registered User
Join Date: Jul 2000
Location: Toronto, CANADA
Posts: 1,193
Larry is right. Until recently American thermostats weren't made to fail open. This is of course a much safer way to go, than to have a thermostat fail closed and have your engine overheat to the point of wrecking it. Change your thermostat. It also might be a good time to change your coolant.

Jason Priest
1999 E430
1995 E420 - retired
1986 420SEL - retired
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