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Buick Rainier, Chevy TrailBlazer, GMC Envoy
18329 messages, Last post on Apr 30, 2012 at 8:10 PM
You are in the Buick Rainier Forum.What is this discussion about? Chevrolet TrailBlazer, GMC Envoy, Buick Rainier, GMC Envoy XL, Isuzu Ascender, Oldsmobile Bravada, SUV
#10598 of 18329 re:2002 Envoy questions by envoylover by giddens_john
Mar 17, 2003 (7:11 pm)
"Is it normal to have to hit the ac re circulate button ever time you start the car or should it stay on after you turn it on? My manual says it will do it automatically for maximum efficiency. I live in Houston and even when it is 98F and 75% humidity I never see it automatically re circulate."As a Houston area resident I can confirm I've never had the auto a/c re circulate on it's own either, and yes you have to hit the re circulate button every time you start your truck. Despite the a/c re circulate not turning on, I can't say I've needed it to turn on. I certainly toyed with it when I first got the truck, but now that I've had it awhile I feel it works fine despite this. I believe there is some TSB's that might change how the auto climate control works but I haven't pursued them. This particular subject has been beat to death so if you want to read up on what's been said in the past I would recommend using the advanced search on the left hand column, use "auto climate control" for the search and check the button for Find messages in discussion Chevy Trailblazer, GMC Envoy, Oldsmobile Bravada. You'll get a full page of post links and somewhere in those someone posted the technical details on how the auto climate control works.
"My second question is when I am driving at steady state conditions and lightly give it gas I hear a whishing sound. Is this normal?"
I don't believe I've encountered this sound but without hearing it myself I wouldn't say I don't have it. It might be a sound I've just ignored.
#10599 of 18329 2004 Envoy/TB/TB-EXT specs by monstersinc
Mar 17, 2003 (7:30 pm)
Here's what GM will offer in the 2004 Model Year:2004 Envoy (reg length and XL)
Deletions
Oak interior
Exterior color: (11U) Pewter and (58U) Sandalwood
New Features
New Packaging
New exterior color: (15U) Sand Beige Metallic and (67U) Liquid Silver Metallic
(UM8) Navigation radio system
(U2K) XM Satellite radio
(UB0) Sound System (New RPO)
(UB1) Sound System (New RPO)
(JF4) Electric adjustable pedals
(N75) Sport aluminum wheel
Light Tan interior
Modified steering wheel for SLT
2004 Trailblazer (regular length only)
Deletions
LTZ model
Custom Cloth
Light Oak and Medium Oak interiors
Exterior color: (11U) Pewter and (58U) Sandalwood
(QC4) Wheels, 4 - 16" x 7" (40 cm x 17.8 cm) aluminum
New Features
New Packaging
(JF4) Pedals, power adjustable
New exterior colors (44U) Medium Red Metallic
New exterior colors (15U) Sandstone Metallic
New exterior colors (67U) Silverstone Metallic
(UM8) Sound system, ETR AM/FM stereo with CD player, Integrated Navigation Radio (INR), includes seek-and-scan, auto-tone control, Radio Data System (RDS) and full-feature Autonomous Navigation
(U2K) Sound system feature, XM Satellite Radio is 100 channels of digital quality sound that goes wherever you go - coast to coast. Displays song title, artist, and entertainment genre. Subscription fees apply. Available only in the 48 contiguous states.
Light Cashmere Cloth reclining bucket seats
Light Cashmere Premium Two-tone leather seating surfaces
(N74) 17" Wheels (The North Face Edition)
(N75) 17" Wheels (Optional on LT)
Last door locking feature: system operates when last door is closed
2004 Trailblazer (EXT)
Deletions
Light Oak and Medium Oak interiors
Exterior color: (11U) Pewter and (58U) Sandalwood
New Features
New Packaging
New exterior colors (15U) Sandstone Metallic
New exterior colors (44U) Medium Red Metallic
New exterior colors (67U) Silverstone Metallic
(JF4) Pedals, power adjustable
(UM8) Sound system, ETR AM/FM stereo with CD player, Integrated Navigation Radio (INR), includes seek-and-scan, auto-tone control, Radio Data System (RDS) and full-feature Autonomous Navigation
(U2K) Sound system feature, XM Satellite Radio is 100 channels of digital quality sound that goes wherever you go - coast to coast. Displays song title, artist and entertainment genre. Subscription fees apply. Available only in the 48 contiguous U.S.
Light Cashmere Cloth reclining bucket seats
Light Cashmere Premium Two-tone leather seating surfaces
(N74) 17" wheels (The North Face Edition)
(N75) 17" wheels (TrailBlazer EXT)
Last door locking feature: system operates when last door is closed
#10600 of 18329 Trade? by 2002slt
Mar 17, 2003 (7:42 pm)
I wonder if I can trade in my OnStar for XM radio.
I may get a 2004 just for the XM.
#10601 of 18329 Pedal Noise & Vibration by bruser1
Mar 17, 2003 (8:22 pm)
I was browsing the GM Techlink when I saw this section on a common complaint expressed by some members of the board, sorry if this has already been posted. There are two sections below!Accelerator Pedal Buzz and Vibration
This condition affects some 2003 Silverado, Suburban, Tahoe, Avalanche, Sierra, Yukon, Denali, Escalade, and EXT vehicles.
Owners may experience a buzz noise which can be heard and felt, from the accelerator pedal area on the first acceleration after starting the vehicle. It will occur only the first time the vehicle reaches approximately 10 mph (16 kph) after start-up. It will not occur again until the key is cycled off then on. Based on the driving habits of the owner, the condition may occur at approximately the same time as the 1-2 shift of the automatic transmission.
This noise is caused by the Supplemental Brake Assist (SBA) performing a self-test. The SBA, which is mounted to the brake vacuum booster canister, is new for 2003 and provides vacuum for the brake booster in case of low vacuum or vacuum loss.
This is a normal condition and no repair attempts should be made.
The SBA is used only on vehicles equipped with vacuum brake boosters and is not used on vehicles equipped with Hydra-Boost brake systems.
- Thanks to GM Technical Assistance
return to Table of Contents
------------------------------------------------------------------ - ---------------
Engine Noise and Vibration Owners of some 2002 Chevrolet TrailBlazers, GMC Envoys and Oldsmobile Bravadas with the 4.2L LL8 engine may experience noise and vibration between 800 - 900 rpm. They may comment about engine buzz noise, and vibration felt at the accelerator pedal, steering wheel, and center console.
Verify that the intake pre-plenum is securely mounted. Press down on the plastic intake pre-plenum. If the vibration is eliminated, replace the intake pre-plenum with part number 15176239.
- Thanks to GM Technical Assistance
#10602 of 18329 Response to giddens john, post #10553 by cebteb
Mar 17, 2003 (8:37 pm)
Guess I hit a nerve, sorry. My gripe isn't with rubber mats, it's with the CSP design. CSP may look "rugged" on a commercial pickup truck, but it's like denim at a prom in the interior of a new Bravada.As to water on the WeatherTech carpeted mats, you may not be aware that those mats are designed to hold a quart and a half of water each:
<http://www.weathertech.com/store/prodsearch.asp?item_group_id=26>
and clean-up hasn't been a problem with the ones we put in our 300M. Did well enough this winter that the wife wants them in our Bravada.
We got involved with WeatherTech products about 5 years ago with their all-rubber mats and a cargo liner in our S-10 Blazer. The cargo liner held up well against 3 dogs, their food and water, and still looked good. So, that's the way I went with the Bravada cargo liner.
Their rubber mats have also done well and are quite attractive. We went to their carpeted mats for the 300M for style and have been quite pleased. However, if you get all the stuff on your Bravada floor that you claim (my wife would hold executions if gum, grease, and (fill in the blank) were common deposits in our vehicles, even the old ones) the WeatherTech rubber mats would be an attractive alternative:
<http://www.weathertech.com/store/prodsearch.asp?item_group_id=3>
Admittedly that doesn't solve the "dead pedal" cover problem, but that was the point of my original post. Vendors should read these boards. There are plenty of needs expressed here, that a good marketeer could fill for a profit. A simple, substitute, "dead pedal" cover is one of those needs.
#10603 of 18329 re vibes Bruiser 1 by aldan93
Mar 17, 2003 (10:09 pm)
Hey bruiser as I speak, my Tb is in the shop, The 6th time, what you describe has nothing to do with our vibration problem! My vibration is from 1200-2200 rpms 40-65 ish MPH's This is 85% of the people in this townhall. There is no fix as of yet, its a frequency issue between tranny----------->drive shaft-------->rear end ect...Spring replacement does help on some or most, but not mine!!! Oh well thanks for the post!#10605 of 18329 Calibration Update by sportbikenut
Mar 18, 2003 (5:12 am)
FYI - Had the recently issued calibration updates performed yesterday to correct the hesitation problems with the previous GM calibration update.Appears that this new program is an improvement. TB ran much improved. Torque is back, on light throttle and low RPM.
#10606 of 18329 gas pedal vibrations on TB by rorodad
Mar 18, 2003 (8:31 am)
Hey allan and 2 yearlease- Thanks for all the info. on trying to get our "problem" fixed.Let me know if something works today with your dealers as it seems you both have your vehicle in for repair today. regards,bob#10607 of 18329 Anyone with High-Pitch Chirp? by blrmkr
Mar 18, 2003 (11:02 am)
Has anyone noticed a high-pitched chirp coming from the front-driver's side of their Triplet? It sounds like there is a sparrow or some other small bird chriping away no matter what speed I drive on Interstates or side roads. I can't tell if it is a wheel bearing or a squeaky suspension joint. Any feedback would be appreciated.TBLT 4WD, 43000 miles, 15 days short of 2-year anniversary
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