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Old 11-20-2013, 05:35 AM   #11
xxxJohnBoyxxx
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Join Date: Dec 2007
Location: Gulfport, Florida
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Quote:
Originally Posted by KB_ActiveTI View Post
i have a feeling it might either be an air bubble or a broken pump, sorry in my last reply i said pump instead of thermo. i installed the thermostat with the arrow facing up. we flushed the system today, no large particles came out, when i put new coolant in, and ran the car, the needle jumped to certain spots until it hit 3/4, (possibly an air bubble moving around?) another thing, the fan runs constantly. even when the car is off. i know some cars do this on shut off at certain times. my dads 325 does

When you say the "needle jumped" is this a fast motion jumping around or a movement within a 10 second time frame. If it is jumping with quick movements then the issue is most likely in the gauge/sender.

Water pump might help if it is rotted or a plastic impeller that has come apart
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