Questions & Answers for: gmc safari hvac

vacuum switch broke inside heater air conditioner control switch, there is a little switch that two vacuum lines connect to, the connections are broke off and stuck on defrost all of the time does any

Safari. I have removed the fusible link connector (at the battery) and cut it out of the wire harness. Now that have the new one I don't remember which circuits go to what fusible links. The connector

no air coming out of vents on 2000 gmc safari blower motor running it sounds like the hvac mode acuator which controls where the air goes. if it still blows through def or floor thats what it is

vacum line to hvac where does it conect to engine Hello Mr. Wilkins. It hooks up to the throttle body and can be difficult to find. Looking into the engine compartment from the front, look to the left

will not come off defrost even with the air cond. check under the hood with the engine running you will most likley hear a hissing sound from a broken vacuum hose these are known for this when you ...

...gmc safari. AC control is stuck on defrost. AC runs cold but will not switch from defrost to vents even when changing knob position. Any ideas what could be wrong? The HVAC system uses engine vacuum ...

...gmc safari at it is under the hood on the passenger side. You will need to remove the coolant and windshield washer bottles to get at it. It is covered by a rubber/plastic cover. If you look closely ...

no high fan any suggestions Bob possibly your blower motor reistat located in the hvac box and typically has four or five wires going to it. It is just a hard plastic like plate with wires in the ...

...change the heater core of a gmc safari 92 xt? Engine 4.2 Remove dashboard, remove hvac unit cover, replace heater core. About a 8 hour job with the correct tools. Good luck. Better get a service ...

...gmc safari heat oneday next day no heat This could be a few things that could cause this problem...Do you always hear the blower motor run with or without heat..?..knowing this would help me answer ...