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SUVs Buick Rainier Buick Rainier, Chevy TrailBlazer, GMC Envoy
18165 messages, Last post on Aug 25, 2008 at 6:55 PM
You are in the Buick Rainier Forum. Your Hosts are steve_ & tidester
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Replying to: gmfan (Apr 25, 2005 1:13 pm) HVAC System Inoperative for a Drive Cycle, Poor HVAC System Performance in High Ambient Temperatures (Update HVAC Control Module Software) #02-01-39-005 - (09/23/2002) HVAC System Inoperative For A Drive Cycle, Poor HVAC System Performance In High Ambient Temperatures (Update HVAC Control Module Software) 2002-2003 Chevrolet TrailBlazer, TrailBlazer EXT 2002-2003 GMC Envoy, Envoy XL 2002-2003 Oldsmobile Bravada Condition Some customers may comment about no cold air from the heating, ventilation and air conditioning (HVAC) system during a drive cycle. This concern may occur at any time during the drive cycle and at any temperature setting. The HVAC system operation returns to normal after the vehicle has been keyed to off and restarted. This concern is intermittent and most likely to occur on hot days. This concern may be found on vehicles equipped with manual (CJ2) and automatic (CJ3) HVAC systems. Other customers may comment about poor HVAC system performance in high ambient temperature conditions. This concern may be present in automatic (CJ2) HVAC systems only. An HVAC control module software update was put into all production vehicles beginning in September 2002. Vehicles built in September 2002 and earlier may need this software update. Correction Update the HVAC control module using software available through GM Access beginning September 9, 2002. The update will be fully available October 7, 2002 to all dealers on TIS 2000 CD version 10. This software update addresses both the intermittent no cooling and the poor performance concerns. If the software update does not correct the concerns, perform the HVAC Diagnostic System Check and repair as necessary. If the HVAC control module is replaced with a part from GMSPO, make sure the module has the latest software update. The module may need to be updated even though it is a new part.
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tblazed is correct. I had forgotten that the computer update was tried the first time I complained but it didn't do the job for me and they had to replace the cycling switch. C.B. |
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Replying to: tblazed (Apr 20, 2005 3:34 pm)
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Replying to: tblazed (Apr 25, 2005 5:36 pm) |
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Replying to: raleigh (Apr 25, 2005 8:54 pm) |
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Replying to: gmoudy (Apr 25, 2005 9:56 am) |
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My waranty is up in July on my 02-TB and I have 17k on it now. The GM majorgard waranty adds to you existing mileage. I am looking at 60 mo / 40,000 miles for $945. with zero deductible. This will make my TB 8 years old when the wananty runs out. I also do all of my own repairs but computer modules scare me and are expensive. For $200 a year, it is cheap piece of mind. Check out these internet prices on the link below. If you have less than 24k, it is cheaper http://www.gmoutlet.com/quote/emailserver/majorguard/05mg3.htm
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Replying to: 2k_impala_ls (Apr 26, 2005 6:43 pm) tidester, host |
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Replying to: gmcman (Mar 27, 2005 6:39 pm) Thanks for any council. Reddog3
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For all the bluster and hyperbole about which is better or not, it's interesting to note that in 2004, Chevy TB outsold Mitsubishi Endeavor by about 8 to 1. Considering the vast dealership network Chevy has Vs. what Mitsubishi has, the Endeavor may be outselling the TB, dealer for dealer. Consider also that the Endeavor is rated higher than TB by just about every rating organization. For the power enthusiasts out there, the 270 hp TB at 4600 lbs is about proportional to the 225 hp, 4100 lb. Endeavor. The lower (by 2 inches) Endeavor has the same or slightly wider (approx.) front and rear track as the TB. The Endeavors suspension is a much newer design and as such holds the curves much better than the TB. There is no need to upgrade the stock suspension. The 225 hp. Endeavor feels like it has more available power at any speed, and the exhaust has a "growl" sound to it. Front seat leg room is a little shorter in the Endeavor but rear seat leg room is greater. The 315 watt Infinity stereo puts the power to the speakers, not the front of the radio, the front of the radio stays cool. The auto climate control works perfectly, set it and forget it. Doors and windows seal completely without needing additional foam stripping from the auto parts store. The back seats fold down with one motion, and don't hit the rear climate control console or the back of the front seats. Ground clearance for all you rock climbers is better than the TB, although I doubt anyone will take the Endeavor up a rock hill. My driving techniques are the same as with my old TB, so the mileage is about the same so far, about 20 mpg on the hwy. Mitsubishi recommends hi octane gas for the Endeavor. Running 89 octane so far has not caused any pinging or knocking. Steering is much quicker with the Endeavor, The number of turns lock to lock is less. The sunroof is probably 30 % larger than the TB sunroof. The head liner is firmly held in place and doesn't sag, as did the TB liner. The Endeavor comes with integral mudflaps on the front, again no trip to the parts store. Fog lights are standard with the Limited. Endeavor towing capability is about half that of the TB, and the hitch is not standard. The Endeavor runs at a slightly higher rpm than the TB did speed for speed, this may be why it feels like it has more power. More to come as things happen.
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