2005 GMC Sierra Denali "trucks air" Questions

i have an 2004 yukon denali and sometimes the driver's side air ducts when in a/c mode blows out hot air only on the driver's side. Passenger side blow cold air and does the rear ducts.Is this a ...

I can turn the heater up to max , funning from the front controler and it doesn't get warm, just blows cold air. Then if I switch it to the rear controler, it still won't get warm, blows cold air?? ...

2000 Yukon denali, recharged air conditioning systemt, blows cold air in the rear, warm air up front? Hi, Sounds like your actuater for your heater box damper is bad. Its munted under the dash over ...

NEED TO FIND OUT WHERE THE VENT THAT LETS AIR FROM OUTSIDE INTO THE TRUCK IS AT ITS A 99 GMC DENALI SUVIT AINT CLOSING AND I WANNA MANUALLY CLOSE IT. not 100% but most cars the vent is, under the ...

air suspension pumps slowly 2005 Yukon Denali: air suspension pumps slowly or sometimes not at all. What is the recommended fix? Will cleaning connectors, and trying to get some oil into the pump help

I changed the termostat on my 2005 gmc sierra and now it overheated please help Thermostat is possibly installed wrong/backwards, defective, or you have a large air bubble in the engine. After you ...

dragging Our 2001 yukon denali feels like it drags and pops when we turn sharp or into a parking spot. Easy fixes 1- get a can of mass air flow sensor cleaning solution and spray it on the sensor. The

Diagnostic codes? can anyone tell me what P0101 code indicates specifically? it says Mass or Volume Air Flow Circuit Range Proformance the guy at the auto parts store said the dealership would tell me

i installed a cold air intake on my denali, now my AC doesnt work. whats the problem? Check for any disconnected harnesses that may become disconected when installing the kit,

I have a 2003 GMC Denali with Codes P171 & P174 lean on both banks. What is the problem? Fuel pump? More likely it's the intake manifold gasket leaking. They can become flat and **** air in passed