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  • Antifreeze and Engine Coolant
  • Chevy Lumina
  • Chevy Silverado
  • Air Filters and Intake Manifolds

Your ' 97 Lumina is using coolant had the intake manifold gasket replaced still using coolant no visible leak it was pressure tested it has the 3.1 engine?

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βˆ™ 2007-09-07 16:29:52

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== == Look on top of the engine for coolant puddled near the intake, it may be collecting there and not dripping to the bottom of the vehicle. Check the condition of the oil, make sure there is no evidence of the coolant intermixing with the engine oil. Perform a carbon test to see if there is exhaust in the cooling system, this could indicate a blown head gasket. For more information, see DenLorsTools.com Tech Article on GM intake gasket replacement.

One suggestion would be to check the water pump from UNDER the car. Look for discolored streaks starting at the bottom of the pump. If the water pump leaks while the engine is running, you might never notice any leaks when it is parked. Of course, there could be other problems as well, but that's a good place to start with a vehicle of that vintage.

2007-09-07 16:29:52
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