1999 CHEVY SILVERADO NO HEAT

  • Tiny
  • ionbomb
  • 1999 Chevrolet Silverado

Heater problem
1999 Chevy Silverado V8 Four Wheel Drive Automatic

Im getting no heat from my truck, the engine temp is fine and I replaced the thermostat last year!

Monday, December 14th, 2009 AT 1:44 PM

2 Answers

  • Tiny
  • rasmataz
  • Member

Check the thermostat again and check the heater core if its clogged-up, if not could be a problem behind the dash with air mix/blend/mode door problems, vacuum/actuators and the HVAC control module-

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Monday, December 14th, 2009 AT 2:18 PM
  • Tiny
  • ionbomb
  • Member

Apreciate it! I heard that the vortec is notorious for clogging up where the tubes that go to the heater core are coming off the block so I will be draining and checking tomorrow! Thank you again!

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Monday, December 14th, 2009 AT 9:35 PM

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