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2002 suburban 2500, NO HEAT!!!!

Discussion in 'Chevy Suburban Forum (GMC Yukon XL)' started by cmevis, Jan 6, 2008.

  1. cmevis

    cmevis New Member

    It's funny because the rear air blows hot air all day long but the front does not. I thought maybe it was the radiator therostat but my temp is 195 degrees and holding steady. Maybe the heater core?
     
  2. JayMack75

    JayMack75 Former Member

    Check your coolant level. I had a bad problem with that and found out I had a small leak that would eventually drain the coolant to a level that would make the heater blow like A/C. The leak was almost undetectable because when the truck was cool it wouldn't leak but when it was hot it would leak and burn off immediately. Very frustrating.
     

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