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Old 05-03-2007, 08:53 AM   #11
Dudesky

Name: Dudesky
Title: Run Far
Status: Offline
Join Date: Apr 2005
Location: Jersey City, NJ
Rate My Car: 106 / 340
Your Ride: E39 530iA
Quote:
Originally Posted by dinohm4
what are the sings of a faulty thermostat? does any one have am idea of how i can test for this
Sign of a faulty t-stat is if the car takes a long time to reach normal operating temp. Your needle should be at the halfway point within 5-10 minutes of driving. Also check the top radiator hose. Pressure and coolant flow should exist there once operating temp is reached, if the t-stat is opening properly.
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