Question about 1998 Ford Mustang

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Aloha,have 98 base mustang, overheating after many replacements

Aloha, I have 98 base mustang, replaced radiator and cap, thermo, and hoses due to rust build up, also ran flusher through engine, still overheating, do I need to change out water pump too?

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  • Mike Butler
    Mike Butler May 11, 2010

    Overheating all the time, as in idling or highway driving? You did refill system with cap off & heater on right?

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Do the radiator fans come on? Turn on the A/C which should start the fans automatically. Does that stop the overheating? Replace the temperature sensor if engine heat doesn't turn on the fans (A/C off). The water pump can be checked by removing the thermostat and lowering the water level in the radiator until the tubes are exposed at the top. With the engine cold, start it and watch for water being pumped into the radiator (it should be a fair quantity), which points to an effective water pump. Shut off the engine, replace the thermostat, and refill with coolant.

Posted on Sep 26, 2009

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I would change the water pump and check for plugs in the heater core

Posted on Sep 26, 2009

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