1992 GMC Van heating problems

1992 GMC VAN
212,000 MILES • 6 CYL • 2WD • AUTOMATIC
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OLDLEFTY
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  • 1 POST
we have changed the heater coil,thermostat,radiator and the heater vale and nothing is working it blows out but just not heat
Jan 10, 2010 at 2:55 PM
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RASMATAZ
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  • 75,992 POSTS
All that replacement parts and still no heat-could be an air mix/blend/mode door problems, vacuum and actuators and the HVAC control module
Jan 10, 2010 at 4:51 PM