The AC nor heat is working

Tiny
ANONYMOUS
  • MEMBER
  • 1998 GMC SONOMA
  • 151,000 MILES
The AC nor heat is working. The fan blows, but it will not heat up or get cold
Tuesday, October 23rd, 2012 AT 2:44 PM

1 Reply

Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
Are there any applicable trouble codes for the hvac system? As far as the heater, do the heater hoses get hot? Does the engine reach normal operating temp? With the ac, does the compressor run?
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Tuesday, October 23rd, 2012 AT 3:46 PM

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