Why would the engine over heat

  • 0 POST
  • 2006 GMC SIERRA
  • 170,000 MILES

Why would the engine over heat. We replaced the thermos, radiator cap, refilled with coolant. The fan works, truck over heats when you drive a short distance, makes a hissing noise when overheats, its not linking any where.

Tuesday, November 27th, 2012 AT 8:54 PM

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