No rear heat
the blur
04-12-2005, 06:41 PM
my 03 Denali..
No rear heat. front heat works fine.
any clues ??
or yet another trip to the dealer ???
thx
No rear heat. front heat works fine.
any clues ??
or yet another trip to the dealer ???
thx
Eggert
04-12-2005, 11:51 PM
Hi blur, this stuff is on the rear passenger wheel well. You may want to take the interior trim pieces off and check things out. Do the heater hoses running under the passenger side of the cabin get hot? You can see them from the outside. Does the electronic heater control work right? Do you have enough antifreeze or an air pocket?
Because everything is electronic you may want to visit the dealer.
Take care, Eggert :bananasmi
Because everything is electronic you may want to visit the dealer.
Take care, Eggert :bananasmi
rzkz8k
04-15-2005, 01:30 PM
my 03 Denali..
No rear heat. front heat works fine.
any clues ??
or yet another trip to the dealer ???
thx
I had this issue on both my 03 and 04 YXL, if I had the rear HVAC system off when I started the engine and then turned in on (after warm up), then I would not get rear heat, just cold air blowing.
If I pulled over, turned off the engine and wait about 30 seconds for the computers to go to sleep, then turned on the rear HVAC and started the engine I would get heat.
Dealer was working with GM Tech to find a fix which they have yet to do.
No rear heat. front heat works fine.
any clues ??
or yet another trip to the dealer ???
thx
I had this issue on both my 03 and 04 YXL, if I had the rear HVAC system off when I started the engine and then turned in on (after warm up), then I would not get rear heat, just cold air blowing.
If I pulled over, turned off the engine and wait about 30 seconds for the computers to go to sleep, then turned on the rear HVAC and started the engine I would get heat.
Dealer was working with GM Tech to find a fix which they have yet to do.
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