Question about 1989 Ford Mustang
Good morning and welcome to fixya.
is this mustang a 5.0 or a 6 cyl.? have you noticed the car overheating? you probably need to have a block tester used on this, it checks for hydro carbons, which usually means you have a bad head gasket. start there and lets see what happens, you can also go through and change the thermostat and gasket and do a really good cooling flush including block and heater core to make sure there is no blocked passages. you may also want to check to make sure that the water pump is pumping, the coolant will be moving under the rad. cap, while engine is running, i wuold also change the rad. cap use proper pressure cap. not sure what you have tried yet but here is a couple, let me know and ill help you figure this out. thank you
Posted on Mar 12, 2009
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Posted on Jan 02, 2017
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