running hot

Asked by mac69 Jul 23, 2007 at 03:56 PM about the 1990 Pontiac Trans Sport 3 Dr SE Passenger Van

Question type: Maintenance & Repair

running hot I have change out every thing to do with.every thing new on the motor.I was told that I need to bleed off the air out of the water but no were that i can see to do that need help.

1 Answer
84,415

littlehorn answered 17 years ago

To bleed the air out of the cooling system all you need to do is start the engine with the radiator pressure cap off, heater in the vehicle on high, and allow it to reach full operating temperature. This will allow the thermostat to open and let any trapped air in the cooling system out.

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