keeps running hot

Asked by mac69 Jul 23, 2007 at 10:40 AM about the 1990 Pontiac Trans Sport 3 Dr SE Passenger Van

Question type: Maintenance & Repair

I have change out every thing to do with the water and still running hot. some one said to bleed the air out of the water I look but cant find wear to bleed the air out can you help. thanks

1 Answer
83,745

littlehorn answered 16 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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