18329 messages,
Last post on Apr 30, 2012 at 8:10 PM
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Chevrolet TrailBlazer, GMC Envoy, Buick Rainier, GMC Envoy XL, Isuzu Ascender, Oldsmobile Bravada, SUV
#17342 of 18329 Re: Trailblazer 2002 clicking noise [4runner10 #14747] by mytrip2 [pete2002
by tblazed
Oct 15, 2005 (7:56 am)
$964!!! You might want to try a different dealer service department that keeps up-to-date with bulletins!
Quote from the June 2005 issue of GM Techlink page 3 ....
This information applies to the 2002 Chevrolet TrailBlazer, GMC Envoy and the
Oldsmobile Bravada.
According to bulletin 05-01-38-001A (SI document 1645422), there’s a new procedure
for HVAC Mode Door Actuator replacement. Refer to the bulletin for details.
Using Puller GE-47676 permits removing the Mode Door Actuator from underneath
the IP carrier. It’s no longer necessary to remove the entire IP carrier for
access to the Mode Door Cam Assembly. A Mode Valve Actuator is now available
under p/n 89018539. For this new procedure, do not use Mode Valve Cam Assembly p/n 89018525. The service procedure in SI and the labor time have been changed to reflect use of the new tool.
#17343 of 18329 Re: Trailblazer 2002 clicking noise [4runner10 #14747] by mytrip2 [pete2002 [tblazed]
by dont437
Oct 15, 2005 (11:59 am)
THANK YOU SO VERY MUCH!!! I printed the info and plan to call GM back since the gentleman who spoke with me had never heard of any complaints on this!! I live in a small town with only two GM dealerships!! So, I will show this info to the one who quoted me the outrageous price and see what he thinks about it! I feel better about it already....thanks again!
#17344 of 18329 Re: Trailblazer 2002 clicking noise [4runner10 #14747] by mytrip2 [pete2002 [tblazed] [dont437]
by envoyenvy2
Oct 15, 2005 (7:17 pm)
When I took mine in for this problem, they knew exactly what it was just from my description. It had been doing it regularly, but of course when I scheduled to take it in, it stopped a couple of days before.
I'm pretty sure I waited for the repair at the dealer when I had mine fixed, so they must have had the puller Tblazed mentioned, as I would not have waited if they would have had to take everything out.
Mine was still under warranty, but $964 seems ridiculous.
Oct 16, 2005 (7:32 am)
I have and 03 TB swb built 1/03 (73K) that has the loose passenger side wheel that is always loose and in need of adjusting when the door is closed, also I'm reading that the lower door bottom bulb weatherseal is what is causing the door to rust because they cant dry when it is wet. What is anyone hearing on these issues? I think the bulb type can just be pulled out and reinstalled later if I want.
#17346 of 18329 Re: Trailblazer 2002 clicking noise [4runner10 #14747] by mytrip2 [pete2002 [tblazed] [dont437]
by ross1962
Oct 17, 2005 (4:42 pm)
the gentleman who spoke with me had never heard of any complaints on this!
He must not work on a lot of Trailblazers then because it's VERY common. And no, they won't do a recall on a non-safety issue.
#17347 of 18329 Towing and axle ratios
by psobkiewicz
Oct 18, 2005 (4:45 am)
I have an 05 Envoy SLT 4x4 with the 3.42 gear ration. Towing capacity of 5100lbs. I recently purchased a new 21' boat and am concerned about being near the max tow capacity. The boat/motor weight 3300lbs and the trailer is about 1000lbs. So total dry weight is 4300lbs. With gear and gas it'll be about 5000lbs. Does anyone tow that much with the 3.42? Also, what's involved in swapping the 3.42 axle to a 3.72 or 4.10? Thanks!
#17348 of 18329 Re: Towing and axle ratios [psobkiewicz]
by burdawg
Oct 18, 2005 (7:13 am)
Well, it will tow that load, but more than likely will be a dog on upgrades unless you keep it in lower gears. I had a Suburban 5.7 with 3.42 gears and it was always working hard on upgrades unless run in second gear when towing even moderate loads.
To change the ratio the ring and pinion gears in the differential will need to be changed. One option is to install an underdrive on the trans tailshaft but I'm not aware of any on the market for the tripletts, and would probably cost more if it is available.
I would try it out first and see how it is. My TB with 3.73 axle tows my 21' ski boat pretty good. See if the it's acceptable for you with the 3.42 gears. Try to avoid towing the boat with the fuel tank or tanks full, that adds to the weight significantly.
#17349 of 18329 Re: Towing and axle ratios [psobkiewicz]
by gmfan
Oct 18, 2005 (7:45 am)
You should be fine. I have the same gear ratio on by 02 TB and have never had problems while pulling my boat. My boat and trailer weight is close to the same weight. The transmission is smooth and smart- it recognizes a load and adjusts accordingly to reduce downshifts. Now, when you have five people, loaded cargo area, trailer and boat- it is pushing it, but should be fine. I have been thinking of putting a tighter suspension on the rear. I wonder, if I change the rear suspension to a firmer ride, will I also need to change the front?
-gmfan
#17350 of 18329 Re: Towing and axle ratios [psobkiewicz]
by 01_hoe
Oct 18, 2005 (8:05 am)
Since you have a 4X4, it is my understanding you will have to change both front and rear diffs to the same new ratio. Very expensive swap.
#17351 of 18329 Re: Towing and axle ratios [gmfan]
by psobkiewicz
Oct 18, 2005 (10:05 am)
Thanks for your comments. Do you use a weight distribution hitch or regular receiver? Does the rear sag too much?