HOW DO I GET AN AIR BUBBLE OUT OF THE COOLING SYSTEM ON A 1993 FORD THUNDERBIRD........ 3.8L NOT S/C

  • Tiny
  • roadracer101
  • 1993 Ford Thunderbird
  • 97,000 miles

Temp gage goes up and down and the heater fluctuates between hot an cold all of the reading I have done says air in system

Wednesday, November 16th, 2011 AT 8:28 PM

3 Answers

  • Tiny
  • ASEMaster6371
  • Expert
  • 25,551 posts

Did you change the thermostat?
Is the coolant level correct?
Did it overheat prior to this happening?

Roy

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Wednesday, November 16th, 2011 AT 8:31 PM
  • Tiny
  • roadracer101
  • Member

Yes new thermostat coolant level is good dont know if it has over heated just bought the car presure test done held at 15psi.

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Wednesday, November 16th, 2011 AT 9:48 PM
  • Tiny
  • ASEMaster6371
  • Expert
  • 25,551 posts

You need a leak down test to start to verify the head gaskets are good.
The radiator needs to be checked for being clogged.

Roy

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Wednesday, November 16th, 2011 AT 9:51 PM

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