GMC SONOMA CLIMATE CONTROL

When The Vehicle Is In Idle The A/c Comes Out Of The Defrost And When It Shifts Into Second Gear The A/c Switches To The Main Vents.

My Heater Won't Get Hot After I Flushed Radiator, Replaced Antifreeze And Water, Inspected And Tested Thermostat And Heater Core. I Also...

My A/c Compressor Bearing Burned Out And, Naturally, The Clutch Assembly Is Pretty Fragged. I Haven't Noticed Any Leaking From The...

Ac Compressor Not Working My Dad Had The Truck A Machinic Said The Compressor Is Shot But I Was Looking At It Today I Turn On The Switch...

Okay I Got A/c Charged And Its Blowing Cold Air. One Catch, I Had To Give The Front Center Of The Compressor A Small Tap And Then It Works...

Where Is The Heater Control Valve Located.

Where The Vacuum Line Goes Through The Firewall.