1993 2.5L PLYMOUTH ACCLAIM ERATIC DASH TEMPERATURE GUAGE

  • Tiny
  • wowie
  • 1993 Plymouth Acclaim
  • 4 CYL
  • 2WD
  • automatic
  • 250,000 miles

I had a new rad (1 week old) put in and 2 new different rad caps. 2 new thermostats, new coolant, 8 month old water pump installed. After driving driving a distance the temp. Gauge starts fluctuating from to 1/4 to just below 1/8 mark on the cold side range. When I open up the hood and leave the car running, the rad cap is warm and it seems that there is no pressure build-up in the radiator because I am able to open it without the coolant squirting out. Some people tell me that it is a head gasket problem but I am not sure. Because I there is no external leak and no white, sweet smelling exhaust coming out of the muffler. Does anyone have any ideas? Any input would be very much appreciated.

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Thursday, December 30th, 2010 AT 3:21 AM

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  • Tiny
  • merlin2021
  • Expert
  • 17,587 posts

Use a cooling system pressure tester, Autozone will loan it to you, this will reveal any leaks quickly. You can also get a block test kit there, this will tell you if hydrocarbons are present in the antifreeze, this would indicate a head gasket problem.

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Thursday, December 30th, 2010 AT 3:34 AM

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