Questions & Answers for: 2000 gmc sierra heater problems

2000 GMC Sierra 5.3 Litre, won't blow hot air I have a 2000 GMC Sierra and it just started not blowing hot air. I think it might be the thermastat?? Could it be somethng else? Where is the thermastat ...

gmc sierra is not workinmg HEATER IS NOT BLOWIG ANY HEAT,Vehicle is just cold make sure antifreeze is full. run engine 10 min. verify engine is around 195 degrees. if not, try replacing thermostat. if

...2000 gmc sierra truck heater heats up but sometimes don't turn down try replacing the blower motor resitor ...

...2000 gmc sierra 1500, it will continuously blow hot air even if I turn temp dial to cool. Only way to stop this is to shut truck off, then restart. check dial switch, check valve that lets water run ...

2000 gmc sierra 1500 5.3 v8. a/c heater control problem 2000 gmc sierra 1500 5.3 v8. After turning heater temp control back to cold from hot, air still stays hot??. Also, all air comes out of defrost ...

2000 GMC SIERRA 6000 VORTEC W/AC . Installed new 186 degree thermostat. At idle, heater core return line is flowing only one cup of coolant in 22 seconds, reading 103 degrees with heater on full. What

...gmc 1500 sierra heater control stuck on 2004 gmc 1500 sierra heater control stuck on defrost Defrost is the default position. Is the control a autyomatic temperture control unit? ( you set the temp ...

...a/c doesn't want to work the heater nor a/c on my gmc sierra 2003 what could be causing this problem? check fuses and relays under dash and under hood the ownser maunal will tell you were to find ...

gmc siera Hello! If your Sierra is equipped with a Heater Control valve it is near the firewall located in the inlet heater hose...From 1999-2000 a change was made and your vehicle may not use a HCV .

...2000 gmc sierra won't give any heat,I haven't had any signs of a heater core leaking..I have seen the trap door for defrost to passenger selection operate.where do I go to next as far as wh ...