2004 GMC Sierra "2005 truck hot cold" Questions

...2005 gmc sierra truck is over heating and blowing hot then cold air. I can keep it from over heating if i turn my heater fan on high. If air is hot then cold it sounds like you have a sizable air ...

...2005 GMC Sierra 1500 4.8l 55k miles. Blower works in all heat settings, just no hot/warm air. Driver and passenger sides are the same. Feel little to no difference when moving the temp sliders from ...

...2005 and I disconnected battery and now the a/c is blowing hot. It stars out cool but goes hot. Today when I started it the driver's side is cool but passenger side is hot now. This is crazy!!! Help ...

...2005 GMC Yukon, the A/C on theDriver side blows hot , other side blows cold at 60 degrees after I disconnected the negative terminal post to complete a cold air Jack 417 876 7395 Sounds like you need ...

...2005 GMC pickup will begin to blow hot air on the drivers side and remain cold on the passenger side.  It does it sometimes at 60 mph and sometimes while at idle. Adjusting the temperature, fan ...

2005 gmc serria is very hot, what would cause this problem? I do have a heat shield on the Catalytic Converter. I live in Belize therefore I do not need a Catalytic Converter. My a/c fan does not work

...hot with no change in position of temperture control sliders. Passengers side air temp. cold. Should I be changing a drivers side temp control (door) Actuator first? Or is there another way to ...

2005 GMC Sierra battery went almost dead. Jumped it off and diver side air blows heat while passenger blow cold. Dual Controlled air. I pulled the positive cable for about five minutes and the problem

...2005 GMC Sierra regular cab. 4.3 v6 The heater has only been blowing cold air. Checked coolant and replaced the thermostat. No change. AC worked fine this summer. Heat worked fine last winter? ...

...hot to cold on drivers side on a 2005 gmc sierra nevada edition 5.3 motor usually a sign of a faulty blend door under the dash i think  the expansion valve is not working but I dont know whw\ere ...