1996 PONTIAC BONNEVILLE COOLANT LEAK

  • Tiny
  • 2CarPros-Archives
  • 1996 Pontiac Bonneville
  • 6 CYL
  • 2WD
  • automatic
  • 60,004 miles

1996 Pontiac Bonneville mileage: 60,000. My car has a coolant leak at a gasket under the throttle body assembly. I am told that the gasket and throttle body are a unit and have to be replaced at a cost of approximately $350.00 parts and labor at a Pontiac dealership. Is this a reasonable and correct diagnosis?

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Friday, October 22nd, 2010 AT 10:18 PM

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  • Tiny
  • 2CarPros-Archives
  • Member

Your coolant leak may be caused by a small by-pass hose under the throttle body. Replacing it should fix your problem.

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Friday, October 22nd, 2010 AT 10:22 PM

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