Question about 1990 Ford Thunderbird
My coolint is evaperating,and i have to add every day. checked for leaks ( none ) changed upper and lower hose a week ago and water pump about 9 months ago. my temperature gauge reads normal while driving on the freeway but when i exit it rises above normal for a few blocks and then it stablilizes..
Foam and bubbles indicates head gasket problem
have a compression test done
Posted on Jan 20, 2018
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Posted on Jan 02, 2017
It sounds like you have air in the Cooling system and the bars leak permanent seal does not help. The sealer creates restrictions through out the water jackets and can cause the thermostat to stick. Replace the radiator cap and run the truck with the radiator cap on the first click and keep an eye on the over flow tank, refill the over flow as needed and make sure you have the heater on the highest setting to work out all the air in the system. Once all the air has worked it's way out of the system, then you can close the radiator cap to the second click to ensure full pressure is built up in your cooling system. Good luck and keep me posted.
Posted on Dec 09, 2009
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yes. the impellor on these engines have a tendency to come off the water pump.First you can see if the pump is working by removing a heater hose then have someone to start the engine. if the water sprays a good, solid stream out then the water pump is good. if the water just barely comes out or not at all then the pump is weak or "bad".
Posted on Aug 13, 2011
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