Question about 1988 Plymouth Sundance

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Overflow always fills,,,,radiator 1/2 full,,,when driven,,,gauge

Guage goes tohot then acts normally,,,,possible head/or head gasket,,,,i know,,,but,,,could there be something we're missing??water pump not leaking,,externally90,000mi.,,,no apparent leaks from the head,,,,im not a mechanic,,,one previous head gasket replaced,,,,

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  • Mike Butler
    Mike Butler May 11, 2010

    Have you bled the system properly? As in let it run from cool with Rad cap off & heater (not defrost) on, and keep level in rad topped up 1"or 2" from top of rad, while you let it run & allow rad fan to come on 3 or 4 times, before you put cap back on?

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My girlfriend has a 91 sundance. I solved that prob by doing a coolant flush and replacing the radiator cap. The gasket was torn to shreds on the cap

Posted on Aug 24, 2009

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Posted on Jan 02, 2017

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