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thanks for the help!!
Do you mean it cycles frequently? That usually means its low on R-134a.
Fired it back in this morning and the A/C was working...any solution? I'll post back if I find anything.
Thanks :confuse:
I re-read the owners manual and could NOT find any reference to a cabin air filter in the section that lists items that need servicing such as air filters,oil filters,type of brake fluid,etc. No mention of a cabin air filter. Thanks for everyone's input.
Wasn't the controller, turned out to be the blower motor resistor/relay under the passenger side dash. Got it from rock auto, about $30 less than dealer, took about 10 minutes to install. All is well with this fix. Bought a new cabin air filter at the same time, instructions with the filter and the Haynes manual are not up to date for the '05's any idea on where and how to change this on an '05?
http://www.gm-trucks.com/forums/index.php?showtopic=66405&hl=cabin+air+filter
dm
I have not had any luck in fixing this problem. I really thought that someone on this forum would have had a suggestion or a tech bulletin to help, but no.
I'm hesitant about trying to work my way into the dashboard to try and find the problem. It's not like the old days when the dash came off with just a few screws and clips. A lot of electrical connections and of course the airbag.
Right now I just keep the recirculation turned on and it doesn't flap. Which is O.K. now that its getting cool, but will definitely need to fix it before next summer.
Good luck with your situation. Mike
Here's another problem: On a long trip, cold air comes in on the passenger side, under the dash, from the upper right. It's like there's a vent open, but there's no way to close it. Turning all the climate controls off doesn't solve the problem. The only solution is to cram a jacket or blanket in the spot where the cold air is coming from.
And then there are the times on a trip when it gets too cold or too hot, and there's nothing I can do but pull off the road, shut off the truck and have lunch. After it sits for a while, the controls sometimes work the way they're supposed to.
Here's another problem: On a long trip, cold air comes in on the passenger side, under the dash, from the upper right. It's like there's a vent open, but there's no way to close it. Turning all the climate controls off doesn't solve the problem. The only solution is to cram a jacket or blanket in the spot where the cold air is coming from.
And then there are the times on a trip when it gets too cold or too hot, and there's nothing I can do but pull off the road, shut off the truck and have lunch. After it sits for a while, the controls sometimes work the way they're supposed to.
Does anyone have any cure. Any help is greatly appreciated.
Do you mean you're low on fluid again or that the heater works for 5 minutes then gets cold or both?
Thanks, Wick
thanks to all for the help.
How I used to do it was to fill the radiator till the brim, start the truck and wait for the coolant to drop and start to circulate (thermostat open). I then top it off again and notice it will slowly start to overflow. At that point I capped the radiator. It will usually flow enough coolant to push into the overflow tank. You should have some coolant in the recovery tank to make it easier to prime the overflow hose. Gee I hope this makes some sense. My explanation that is....
Glad your heater works.
It appears to thaw out from engine heat after several hours - not really sure.
Drove briefly this morning in snow - now blower does not work again.
Anybody else experienced this.
Blows snow when on defrost too!! Not good
What gets me is, there seems to be a lot of people with this particular problem. But if you take it to a dealer, they act like they've never heard of it! Thanks again for your help.
I have been unable to find out from dealers or part stores whether or not this piece is actually a part of the heater core or if this is something that can be purchased separately. Actually I haven't found anyone yet that is familiar with this piece.
Would you happen to know what this is called,? and whether it can be purchased separately or if it is actually a part of the heater core?
If so it is sold seperately from the heater core.
If I ever turn dial to the hot side - It stays hot "full hot" and will not change... The AC - - everything blows Hot only regardless what I try.
RDT
Thanks
RDT