Heat only works @90*

[viven44]

The problem is actually the little inlet temperature sensor on the driver's side on the headboard. I can't remember what it's called or the part number, but there's a thread somewhere here (edit: this thread shows the part on #7...I didn't read the previous posts. I posted what the sensor looks like and how to replace it on a different thread. It's like $40 IIRC.)

Yes that’s the one I’m talking about. It does sound like you eventually had to replace it, right?

 

[strutaeng]

Yes that’s the one I’m talking about. It does sound like you eventually had to replace it, right?

Yes, I replaced it.

I think I replied to that super long GMT800 thread, now that I think about? That's probably were I posted that. Let me look...

 

[strutaeng]

Yes, I replaced it.

I think I replied to that super long GMT800 thread, now that I think about? That's probably were I posted that. Let me look...

Found it! @viven44

2004 Denali Climate control is only hot or cold

Ok so my Yukon Denali climate system is strange. If I use the temp knob to adjust the temperature it actually fights me... I'll turn it up and it will go up and then back down a couple of degrees. Ok strange. The strangest part is it only seems to have 2 temperatures. Anything 89 degrees and...

www.tahoeyukonforum.com

Post #10

 

[viven44]

Found it! @viven44

2004 Denali Climate control is only hot or cold

Ok so my Yukon Denali climate system is strange. If I use the temp knob to adjust the temperature it actually fights me... I'll turn it up and it will go up and then back down a couple of degrees. Ok strange. The strangest part is it only seems to have 2 temperatures. Anything 89 degrees and...

www.tahoeyukonforum.com

Post #10

Thanks !!

I'll give it a go. Is the harness going to that sensor easy to unplug or is this some specialty shenanigans ? I've encountered just 1 specialty so far in this truck and it was a sensor on the ductwork...

 

[strutaeng]

Thanks !!

I'll give it a go. Is the harness going to that sensor easy to unplug or is this some specialty shenanigans ? I've encountered just 1 specialty so far in this truck and it was a sensor on the ductwork...

I don't remember honestly. But I don't remember cussing, so probably relatively easy. LoL