heater

Replaced the automatic climate control. The unit worked fine for a bit and then the blower motor stopped working. Replaced the blower motor and it worked fine again for a couple days. Blower motor stopped working after a couple days. Auto climate control unit appears to function the way it...

I have 02 tahoe and it has the heater control with the auto feature. Anyhow if it's set all the way to cold, cold comes out but if I turn it 1 click above cold.... Hot air trickles out. I can't make any type of warm air at all. Need help diagnosing it please.

I have a 1994 Yukon and ever since I got it I have had a rather weird problem. When I run the A/C, a/c does work to a point, the truck will heat up quick and keep going past the 210 degree mark when I am stopped or running the A/C in high and just doing normal around town driving. When I stopped...

Well, for about a year my heater control knob only worked in two positions.......then it only worked in the second position....now....well, you guessed it...the fan doesn't work AT ALL! The only heat I get is when I drive fast now, including defogging the window...so I guess it's time to do...

The a/c blower on my 99 Tahoe quit working on low and medium speeds but would workfine on high. Next it was intermittent on high and now it doesn't blow at all. I suspect it is a relay but I can't find the a/c heater blower relay. I checked the fuse / relay box in the engine compartment there...