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Chevy TrailBlazer Climate Control Questions

78 messages,  Last post on Dec 02, 2009 at 7:50 PM

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

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#17 of 78 please help me by ejurik Sep 22, 2006 (6:59 am)
Replying to: al55442 (Oct 11, 2007 9:07 am) Hi guys. I have trailblazer 04 (purchased new). First 2 years and 50,000 miles - now problem. After that: Engine start stoling now and then, few weeks later engine dyed on the highway 65MPH while towing the boat! Imediately lost of power stering, power breaks! I managed to stop and after few atempt started again and get lackily get home with constant power jump and few stoling. Went to dealer twice: first they replaced crank shaft actuator $550, next day(car stoling again)they replaced o2 sensor=$150! After that no more stoling but: 1 week later while changing the speed of the ac/heating fan it stop working and the same moment hapen foloving: ABS light-on;brake light-on;4WD light-on; cruise control not working; ilumination of driver door butons not working; unable to change the direction of air blow. NOW - after 10 -20 minutes of driving everything goes to normal until i stop and restart the car!!!??? I have been in service with this problem about 5 times, spent $1,250 (replaced 1 computer module)and theproblem is stil there???!!! Thas enyone have any idea what to doo? Please and Thank you.
#18 of 78 Re: heater fan control/ engine noise on 02 trailblazer [tomcincy] by chrisneedshelp Oct 30, 2007 (12:59 pm)
Replying to: tomcincy (Apr 19, 2006 6:20 pm) I have a 2003 Trailblazer and my heater control stopped working on 1 and 2 then a month later on 3 now it just works on 4 and 5. Have you found any resolve for this? Replies to this message: tblazed (Oct 31, 2007 6:19 am) mtt2002 (Nov 26, 2007 5:32 pm) mtt2002 (Nov 30, 2007 4:20 am) reggiesdad (Dec 02, 2009 7:50 pm)
#19 of 78 Re: stopped working on 1 and 2, later on 3 by tblazed Oct 31, 2007 (6:19 am)
Replying to: chrisneedshelp (Oct 30, 2007 12:59 pm) Probably the blower motor resistor has failed. It's up behind the glove box and blower motor, and is relatively easy to get to once you remove the passenger side lower kick panel and lower the glove box down by releasing the stop. Replies to this message: mtt2002 (Nov 26, 2007 5:32 pm) mtt2002 (Nov 30, 2007 4:20 am) reggiesdad (Dec 02, 2009 7:50 pm)
#21 of 78 Trailblazer heat blows cold on the driver side by mtt2002 Nov 26, 2007 (5:32 pm)
Replying to: tblazed (Oct 31, 2007 6:19 am) I have a 2002 Trailblazer that the heat only works on the passenger side. No matter where the driver temperature lever is set, the heat blows cold on the driver side. I am told the left heat sensor need replaced. My question is: Where is the left heat sensor located and how do you replace it? Thanks Replies to this message: mtt2002 (Nov 30, 2007 4:20 am)
#22 of 78 Re: Trailblazer heat blows cold on the driver side [mtt2002] by mtt2002 Nov 30, 2007 (4:20 am)
Replying to: mtt2002 (Nov 26, 2007 5:32 pm) Reference my post: Trailblazer heat blows cold on the driver side. Now the dealer is telling me the heater control module needs replaced. To do so he claims the dash and steering column need to be removed which is why they want $600 to do the job. Does this sound right? It seems you should be able to pull the part of the dash that surrounds the radio, climate control, and instrument cluster without the steering column. I assume the heater control module is located behind the climate control levers. Is that correct? Thanks
#24 of 78 woody by jerrcrib Jan 12, 2008 (2:29 pm)
2002 chev. trailblazer,heat and air control works and the doesnt work on vents selected, then sometimes no dash vent,switch vents get a steady clickin noise in dash. I guess from vent control switch? any help would be appreciated
#25 of 78 heating/ac by jerrcrib Jan 16, 2008 (9:40 am)
can anyone tell me where the actuator air inl. vlv is on a2002 trailblazer.this may be my problem with small volume of air out dash vents.thanks
#26 of 78 Climate Control problem by moe81854 Mar 09, 2008 (5:17 pm)
I have a 2003 Trailblazer I am having problems getting heat to come on takes 10 to 15 minute or until car get to 150 degrees before the blower fan starts and I get any heat on any setting.

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