...GMC Sierra 4X4. I beleive the mixing door is not working correctly, I'm only getting warm air not hot. All ready changed thermostat and checked hoses. Check in the one heater hose will be a control ...
...GMC Sierra 5.7L Std Cab Pickup Heater not blowing warm air. Thermostat has been replace as well as coolant top-off Check the water control valve behind the engine close to the firewall. This valve ...
Question about 1993 Sierra
changed and heater control valve I have a 1999 gmc denali the a/c and heat doesn't work.. The blower works... I had thermostat changed and heater control valve May need.heater core flushed out
Question about 1996 Jimmy
No heat 1996 gmc jimmy!No heater control valve on either heater hose!Is there a valve in dash? common issue with this vehicle is plugged heater core...check temp of hoses in/out of core
Heater control valve 97 GMC Sierra I have a 1997 GMC Sierra c1500 with a 4.3L V-6. all of a sudden my vents are blowing hot air no matter the position of the temperature control switch. i assumed that
heater control valve where is the heater control valve located on a 2003 GMC Safari slt likely inside the dash, behind the environment controls, fan controls, etc
...HEATER CORE ON 2005 GMC SIERRA WATER DOES GET THRU HAVE NOT TRIED ANYTHING YET It sounds like the bypass valve is stuck open. Check bypass valve and vacuum hoses attached to it. Hope this helps. Bob ...
Question about 1999 Jimmy
gmc jimmy heater runs hot when turned all the way up but runs cold if turned down even a little ? temperature all hot or all cold, no control. Have the temperature control blend door operation checked
Question about 1999 Jimmy
...heater control valve located on a 2004 Gmc Envoy XUV with a 4.2 liter 256 cubic inch engine There isn't a heater control valve in the hoses, it controls the heat in the vehicle with a temp blend door ...
...GMC Savana van 2500 heater control valve I need to know what steps I need to take to be able to get to the hoses to remove the valve and replace it Question moved from Washing Machines category. All ...
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