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The temperature gauge needle rises and falls back about every seven seconds while driving down the highway?

Tiny
2CP-ARCHIVES
  • MEMBER
  • 1991 PONTIAC GRAND AM
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 65,000 MILES
While sitting in traffic it rises very quickly but cools upon normal driving, once in awhile I will notice a small puddle of coolant under the car after shutting the car off. Is it possible the water pump is going?
Wednesday, October 20th, 2010 AT 8:53 PM

1 Reply

Tiny
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  • MEMBER
  • 4,542 POSTS
A partially plugged radiator may be causing your problem. Have the radiator “boiled” out at a radiator service center. Also, have the cooling system checked for leaks.
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Wednesday, October 20th, 2010 AT 8:55 PM

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