1992 GMC Van heating problems

1992 GMC VAN
212,000 MILES • 6 CYL • 2WD • AUTOMATIC
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OLDLEFTY
  • MEMBER
  • 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 6:55 AM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 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 8:51 AM
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