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Chevrolet Malibu Maxx Climate Control/AC/Heat

43 messages,  Last post on Feb 01, 2009 at 5:52 AM

You are in the Chevrolet Malibu Maxx Forum. Your Host is pf_flyer

What is this discussion about? Chevrolet Malibu Maxx, Heating / Cooling, Hatchback


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#14 of 43
a/c by maxxind
Jun 19, 2006 (7:33 pm)
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Yes, it seems that the newer-design cars are the ones that are getting the lower capacity systems. I think it's not just GM but many cars. I have an '03 S10 that has a/c that gets very cold. Of course, in a pickup, there is not as much inside space to cool, either.
 
What I said above was wrong. The thumbwheel opens and closes the rear "turbo blast" a/c vent. To get that vent to work, you have to open its thumbwheel and also close the louvers on the two lower center vents.
#15 of 43
a/c by mdennish
Jun 23, 2006 (2:29 pm)
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i live in phx,az and the a/c in my maxx was cooling the car in 110 degree temps, if the car has been outside in the direct sun, ikeep the windows opened 1 inch and run the ac for approx. 5 mins before using the recirculating mode and closing the windows, if the car has been in the shade i start the a/c in the recirculating mode with the wqindows slightly opened for approx. 2 mins and everything is fine. had 4 people in the car for a 2 hr dr. and everyone was satisfied with the a/c with outside temps of 110 degrees. AND I ALWAYS USE MY SUNSHADE on the front window and drape a towel over the steering wheel when parked.
#16 of 43
Intermittant heater problems by csandste
Jul 08, 2006 (8:45 am)
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I'm coming to the end of my warranty so any ideas would be helpful.
 
1. Had no heat for a couple of weeks in late April. Was going to take it in at a regular service but it corrected itself.
2. Since then, on about three occasions, I've had the heat on full blast when the heater controller is off. Not pleasant in late June. This has lasted only a minute or two. I suspect the A/C continued to operate but of course it was totally overcome by the heater. All occurances on start-up with a warm engine.
 
Intermittant problems are always pleasant.
#17 of 43
Re: Intermittant heater problems [csandste] by e2helper
Jul 08, 2006 (10:47 am)
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Replying to: csandste (Jul 08, 2006 8:45 am)

Do you have the auto A/C or manual A/C system?
 
Are you saying in first case that you were not getting heat but air (cold) was coming out and in second case that you wanted cold and you were getting full heat?
#18 of 43
Re: Intermittant heater problems [e2helper] by csandste
Jul 08, 2006 (11:08 am)
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Replying to: e2helper (Jul 08, 2006 10:47 am)

It's the LS with the manual system.
 
No heat for several weeks, even when I cranked the dial. Blasting heat in 90 degree weather even with the dial off. I cranked it up and down and it fixed itself that time. Good, because that would have been a nasty 100 mile drive home.
 
My guess is that it's in the heater control itself, however I'm always leary about something that happens so intermittantly. I've had little itch and scratch squeak problems with former GM cars, this one's been quiet. Having the dealer dig into the dash on a goose chase is a bit scary.
#19 of 43
Re: Intermittant heater problems [csandste] by e2helper
Jul 08, 2006 (4:02 pm)
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Replying to: csandste (Jul 08, 2006 11:08 am)

OK - It isn't something I have heard of but the HVAC head does control the temperature door motor. Do you often leave the blower speed on HI? Temperature door has to work harder against the increased airflow, just a thought.
#20 of 43
Re: Intermittant heater problems [e2helper] by indiswe
Oct 17, 2006 (11:28 pm)
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Replying to: e2helper (Jul 08, 2006 4:02 pm)

I had a similar problem last summer and this summer too, though I haven't fixed it yet this time. From last year, the Chevy dealers report said "mode door actuator not opening", "removed actuator and corrected door operation". Then it was fine. And it was covered under warranty.
 
Edit: '04 LS. Also now, when I crank the heat up the airflow drops dramatically, but some heat comes out.
#21 of 43
Defrost mode noise by josephus
Oct 23, 2006 (5:30 am)
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Hi. I have an 05 Malibu LS. Today I noticed that when I'm idling with my defrost/heat on I hear a very noticeable loud noise. If I switch to regualar heat (no defrost), the noise goes away. I don't hear it when I drive or when the fan is blowing past the #1 position. At first I thought there was a big truck idling behind me, but there was no one. That's sort of what it sounds like.
 
Any ideas?
#22 of 43
Re: Intermittant heater problems [indiswe] by csandste
Oct 29, 2006 (1:38 pm)
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Replying to: indiswe (Oct 17, 2006 11:28 pm)

That was the case with mine too when I took it in for the pre-36K service.
#23 of 43
Re: a/c [maxxind] by kurtamaxxxguy
Oct 31, 2006 (2:52 pm)
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Replying to: maxxind (Jun 19, 2006 6:02 pm)

The top grille is exactly how the '83 Toyota Camry cooled its rear seat passengers. However, the dashboard settings forced all center grille air through that port .vs. the Maxx only sending some of the air through it.

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