HAD FREEZE PLUGS REPLACE THERMOSTAT REPLACED ...

1993 GMC Van

Tiny

Anonymous

February, 2, 2013 AT 12:29 AM

Had freeze plugs replace, thermostat replaced twice (185 degree I think, stock as per parts house), system back flushed. Engine will heat up and put a out some heat - but if driven over 45 mph, in colder weather, engine cools & heater blows cold.

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1 Answer

Tiny

ASEMaster6371

February, 2, 2013 AT 12:32 AM

Sounds like a bad heater core. It is most likely clogged

roy

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