Cabin Heat in 04 Silverado

Discussion in 'Chevy Silverado Forum (GMC Sierra)' started by stinger44, Dec 15, 2011.

  1. stinger44

    stinger44 Rockstar

    Notice lately that my heater blows cold air into the cabin until the engine temp gauge needle is at 210 degrees. Heat used to come into the cabin when the engine was at a more reasonable temp. Cabin temp setting at 68-70 degrees.

    Any ideas on why it takes so long to produce heat from the block? I don't recall it taking this long to send heat into the cabin.

    2004 Silverado 1500, 5.3L
  2. dipstick

    dipstick Member 2 Years 100 Posts

    I would think a intermittent /sticking thermostat. hope it is that simple for you.
  3. stinger44

    stinger44 Rockstar

    That was my thought too.. I think my mechanic checked that out but I'll ask again.
  4. crwdsm

    crwdsm New Member

    I had the same problem with my 2004, I use to turn the dial to the windshield option until it warmed up. I never found the problem and considered it normal.

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