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Buick Rainier, Chevy TrailBlazer, GMC Envoy

18165 messages,  Last post on Aug 25, 2008 at 6:55 PM

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What is this discussion about? Chevrolet TrailBlazer, GMC Envoy, Buick Rainier, GMC Envoy XL, Isuzu Ascender, Oldsmobile Bravada, SUV


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#14661 of 18165
Re: Windshield wiper motors by pepper50
Jun 06, 2004 (11:30 pm)
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Luckily the third quarter is only 3 weeks away. Remember, unless you are in a small town somewhere, you are not locked into one dealer. Call up several. I'd print out everything I could about the recall and take the copies to the dealer. While the following article doesn't specificially say GM will pay for it before the third quarter, it says GM advises anyone having troubles not to wait for their recall letter. Read below:
**************************
  General Motors will recall about 636,000 2002 and 2003 midsize SUVs. Some of the following vehicles will be recalled:
 
Some 2002 and 2003 Chevrolet TrailBlazer and TrailBlazer EXT
 
Some 2002 and 2003 GMC Envoy and Envoy XL
 
Some 2002 and 2003 Oldsmobile Bravadas
 
Some 2002 Isuzu Ascenders
 
Owners will be notified beginning in the third quarter of 2004. Dealers will cover a vent hole in the windshield wiper module with a patch. The wiper motor, circuit board, and electrical connector will be inspected for signs of water intrusion and/or corrosion and be replaced as required.
 
In some vehicles, water can enter the wiper module, causing a short circuit or corrosion of the components within the module. As a result, there have been reports of the wipers not working properly. Owners should have their vehicles checked and serviced if they are experiencing windshield wiper problems. GM says that most owners will probably not experience any wiper problems, and should wait for the recall notification letter before bringing in their vehicles.
#14662 of 18165
Re: Windshield wiper motor by 01_hoe
Jun 07, 2004 (9:06 am)
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"Dealers will cover a vent hole in the windshield wiper module with a patch."
 
There going to fix a potential problem with a patch? Duct tape maybe?
Seems like the entire unit should be replaced. I'm gonna be pi$$ed if at 60K mine with a patch goes out and I'm handed a bill.
#14663 of 18165
"Growl" around 60 mph by bertman48
Jun 07, 2004 (10:00 am)
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Replying to: gofishin (Jun 05, 2004 6:54 am)

gofishin...my '03 TB has had this problem from day one. I did take my TB to a driveshaft shop and had it rebalanced. It definitely changed the sound of the humming/growl (it doesn't humming/growl as loudly as it originally did, but the problem is still there). I can still feel the vibration and slightly hear the humming/growling. I wish GM would investigate this problem and determine what is causing the problem. It seems to me the problem is associated with the transmission (overdrive gear) or the touque converter since it only happens in overdrive. The problem does not happen if I drive 58 - 60 mph in 3rd gear.
#14664 of 18165
Growl, etc. by cameokid
Jun 07, 2004 (11:20 am)
Reply

Replying to: bertman48 (Jun 07, 2004 10:00 am)

bertman and others,
 
I had to have my drive shaft balanced twice because the first one didn't do it right. See my previous post (#13862) on this subject for specs it should meet. The first 'balancing' changed my vibration so I knew we were on the right track. I asked my dealer to have it done again by a different shop. I took it to a guy who balances drive shafts for race cars. He was great - and he showed me my drive shaft on the balancing machine and how far out of spec it was from the first guy. I realized that this type of work is an art - they heat up the drive shaft with a (welding?) torch in certain spots then cool it quickly to make it warp back into position. Then they spin it on a spindle and measure the runout and balance, and do it again until it's good. So, if you're still vibrating, try again - and get them to show you the readings before they say they're done.
 
PS - regarding prior comments about torque convertor - one way my dealer ruled out the TC is when the vibration occurs, press gently on the brake pedal while driving. This disengages the TC and for me the noise stopped while the TC was not engaged. This helped us to zero in on the drive shaft as the problem. I had my springs replaced and it had no impact on my vibration. The drive shaft balancing fixed my problem.
#14665 of 18165
Re: Black Dots [wpkelleysr #14504] by cameokid
Jun 07, 2004 (11:26 am)
Reply

Replying to: wpkelleysr (May 05, 2004 9:00 am)

I was told the black dots on the windshield are for cars that have the automatic rain sensor wipers. My '03 TB does not have this feature but I have the dotted windshield anyway. I use an EZ Pass transponder placed at the top of my windshield just to the right of the rear-view mirror mount and it works just fine.
#14666 of 18165
Growl/vibration by previousamigo
Jun 07, 2004 (12:37 pm)
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I have the vibration in the gas pedal but I don't notice the growl in my '02 TB LS 4X4. I use to only have the vibration around 55 - 60 mph, but now I have the vibration in the gas pedal at all speeds but mainly when the rpm's are between 1400 - 1600. Will the drive shaft balance fix the gas pedal vibration? I'm getting tired of the tickle in my right foot. I haven't replaced the springs or tried any other fixes and the dealer says the vibration in the gas pedal is normal.
#14667 of 18165
wiper motors by scottc454
Jun 07, 2004 (1:15 pm)
Reply
"Dealers will cover a vent hole in the windshield wiper module with a patch."
 
There going to fix a potential problem with a patch? Duct tape maybe?

 
Sounds fine to me. A simple problem warrants a simple solution. In fact, duct tape was originally called "duck tape" because it was waterproof.
 
They did say that they'd replace the wiper module if there's any corrosion.
#14668 of 18165
Re: Growl/vibration [previousamigo #14666] by cameokid
Jun 07, 2004 (2:32 pm)
Reply

Replying to: previousamigo (Jun 07, 2004 12:37 pm)

I had the gas pedal vibration AND the growl consistently at 1500 rpm - usually between 55-60 mph, but could occur at slower speeds when the tach hit 1500 (like going up a slight grade). Balancing the rear drive shaft to within .003 runout and .038 balance fixed both issues, and the dealer paid the $45. for the balancing.
 
Incidentally, during my original pursuit of a solution the dealer let me drive 3 other new trailblazers on the lot (you know the drill - it's a normal characteristic of the vehicle) he was right about that...they ALL had the problem. See prior comments about Three Rivers Plant drive shaft quality...
#14669 of 18165
Hum/ vibration by dshepherd3
Jun 07, 2004 (4:27 pm)
Reply
This is an old problem with the TB. I went around and around over this early in 2002. There is a TSB to replace the rear springs, wich isolates or dampens the driven train harmonics set up in lock up at 58-62 mph. the fix works pretty good till cold weather then it returns about 50%.
#14670 of 18165
Rear Lift Gate Window Bracket Problem by elvis23
Jun 08, 2004 (5:29 am)
Reply
I took my 03 Envoy in to the Dealer yesterday because I noticed some rust like looking material on the bracket for the rear glass over the weekend. I figured the part is rusting on my Envoy under warranty, no problem, they'll replace the part. Well, I was right and wrong. They will not replace the part, but they will repaint it. Apparantly, this part is plastic, and the coating has come off because the rear glass bolts were undertorqued in the factory. On the driver's side, the bolts have dug into the paint, exposing the sheet metal. They will repaint that as well. Finally, they will reseat the glass bracket properly.
 
The only problem I have is that they want me to pay for this.
 
I have 16,300 miles on the Envoy. Root cause was a problem at the factory. I am not happy. I will be going to another dealer.
 
You may want to open your rear window glass and check out your bracket and bolts.

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