1992 Chevy Silverado my heater want blow hot

1992 CHEVROLET SILVERADO
250,000 MILES • 6 CYL • 2WD • AUTOMATIC
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RANDY J
  • MEMBER
  • 1 POST
how can i get heater to work new heater core, temp sending unit, thermastat is all new
Mar 8, 2010 at 9:46 AM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 POSTS
Retest the thermostat though its new if okay could be an air mix/blend/mode door problems, vacuum and actuator to include the HVAC control module
Mar 8, 2010 at 10:13 AM
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