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No heat

Discussion in 'Chevy Silverado Forum (GMC Sierra)' started by willy, Jan 31, 2012.

  1. willy

    willy New Member

    I have a 2006 Silverado and i lost my heat a couple of days ago. Changed the thermostat and still nothing,top rad hose is hot bottom one is cool. Temp gauge seems to be staying steady. anybody have any thoughts ? Oh and i have no options of what so ever.
  2. olered

    olered New Member

    try back flushing the heater core. more than likely it has some clogage in it. i am a mechanic and 9 times out of 10 when we see one that has no heat we backflush it and boom heat is right back. dont get me wrong im a chevy die hard but i hate there dexcool it clogs everything

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