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Chevrolet TrailBlazer Heating Ventilation Air Conditioning

21 messages,  Last post on Nov 04, 2009 at 12:28 PM

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What is this discussion about? Chevrolet TrailBlazer, Chevrolet TrailBlazer EXT, Heating / Cooling, SUV

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#15 of 21 Re: AC not getting cold fast enough [tirtlelove] by ksanger May 13, 2009 (6:23 pm)
Replying to: tirtlelove (May 13, 2009 9:30 am) If you have the rear AC unit too, then the AC is going to both the front condensor and the rear condensor and will take a while to have an effect. I have the rear AC in the extended (EXT) version though it no longer works.   I would make certain that you turn on the rear AC to full cooling through the roof vents in addition to the front. Otherwise by just using the front you're cooling down the rear condensor but not running air through it.
#16 of 21 Re: AC not getting cold fast enough [tirtlelove] by burdawg May 14, 2009 (6:03 am)
Replying to: tirtlelove (May 13, 2009 9:30 am) If you go back and look at the main Trailblazer thread you'll see posts about this from early on. If the condensor is hot from sitting in the sun, or from a hot engine after you have shut it off and retarted it while it's still hot, the A/C compressor won't come on until some air has passed over the condensor to cool it down. Add to this the fact that Trailblazers have a viscous controlled cooling fan that runs very slow until the cooling system needs more air pulled over the radiator. When we go to our home in Arizona with our 02 Trailblazer we notice this quite often in the summer. If it's retarted while still warm, or if it's been sitting in the sun during the hottest part of the day, it won't come on right away, it usually takes 30 seconds to a minute or so of sustained driving (stop and go makes it longer) until the compressor comes on. If it's been in the garage, even if the air temperature is 110+, it will turn on right away as long as the condensor is not heated up from a hot engine. There's no way to change it I'm aware of. Really though, "Our Lexus takes just seconds to cool the car". On a hot day it takes a little longer than that, right?
#17 of 21 Front blower won't work back running just find by bowtieguy1 Aug 01, 2009 (7:56 pm)
My AC blower went out in the front the back is running just fine no fuses out need help
#18 of 21 blower motor by blazer6973547 Aug 03, 2009 (8:08 am)
there is a relay attached to the blower motor located behind the glove box
#19 of 21 Blower activates after key is removed by stevejan Aug 29, 2009 (6:36 pm)
I have a 06 TB, 6 cyl., 4WD. After the engine is turned off and key removed and approximately 10 minutes later the front blower will come on and run for about 10 minutes, then turns off. As far as I can tell will not come on again until the key is turned on to run position then to off. This is repeatable.    I took it to the dealer and they replaced the "body control module" and within two days ( only because I assumed it was fixed) I noticed the blower coming on, same as before.   Any ideas? Thanks
#20 of 21 air conditioning quit then started working again? by robyb Sep 09, 2009 (8:47 am)
Air Condition not cooling. temp adjustments up or down didn't change temp of air from fan. Checked fuse and relay. This morning the unit started working again? Is there a circuit breaker or auto-reset or is this just one of those "beats me!" situations?
#21 of 21 Re: blower motor [blazer6973547] by pete99b Nov 04, 2009 (12:28 pm)
Replying to: blazer6973547 (Mar 27, 2009 7:08 pm) i have the same problem only number 4 works how did you fix yours

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