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Buick Rainier, Chevy TrailBlazer, GMC Envoy

18277 messages,  Last post on Nov 18, 2009 at 6:43 AM

You are in the Buick Rainier Forum. Your Hosts are steve_ & tidester

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


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#16887 of 18277
Re: Bravada Warranty? and TB Brakes [mrgem] by gmfan
Jun 29, 2005 (5:05 am)
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Replying to: mrgem (Jun 28, 2005 12:59 pm)

I understand the 5 yr/60K miles warranty as a factory warranty that should cover everything bumper to bumper.
 
My 02 TB has 69K miles and I have the original brakes and rotors and have zero rotar warping problems. In fact, this SUV's brakes are better and higher quality and lasting longer than a Durango and Grand Cherokee I used to own. The brakes calipers are powerful using double pistons for strong stopping power. It is likely a "driving style" issue, but it could be defective brake system. If you speed and brake hard, then the life of the brake system can be significantly impacted. However, 5,000 miles is too soon in my opinion unless she is a crazy driver. I would make sure the dealer "replaces" the front rotars next time, do not allow them to "turn" them, and then monitor the situation. My wife's Lexus RX 300 had new brakes and rotars at 16K miles because Lexus used hard pads that were damaging the rotars. It was all covered under warranty. - In other words, every vehicle, including the "perfect" Lexus has issues. But, I am not aware of the Envoy, TB, or Bravada having braking issues. Anyone else on the forum that differs?
 
-gmfan
#16888 of 18277
Re: Bravada Warranty? and TB Brakes [gmfan] by imadad2
Jun 29, 2005 (5:35 am)
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Replying to: gmfan (Jun 29, 2005 5:05 am)

The brakes on the TB is the main reason I bought it. My wife murdered my old Dodge Crapavan ... err Caravan. She has no clue what sounds breaks should make, and ground the rotor and calipers up when the brake shoes wore out. I wanted to make sure that the brakes would last on this truck for a long, long, time. When I buy my next vehicle (2008 or 2009) I will take over driving the TB daily. At that time I expect to replace brakes. Approx. 50,000 miles. I have heard tons of raves about the brakes on the triplets. This problem is the first I have heard or read. Either someone beats the hell out of the brakes, or they were defective. Hopefully they will replace them under warranty.
#16889 of 18277
Re: Brake pedal went from 'mushy' to much worse [wrenchspin2] by gmfan
Jun 29, 2005 (6:59 am)
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Replying to: wrenchspin2 (Jun 28, 2005 6:42 am)

What you describes does sound like brake master cylinder. I have a repair manual and it does not look too difficult. I will try to remember to read it over and let you know if I see anything odd or strange regarding doing the work yourself. How is the brake fluid level?
 
You said "I've never been very impressed with the brakes on this truck (compared to other SUV's I've owned)," - What other SUV's have better brakes?
#16890 of 18277
Re: Bravada Warranty? and TB Brakes [mrgem] by longdistancetb
Jun 29, 2005 (7:03 am)
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Replying to: mrgem (Jun 28, 2005 12:59 pm)

If she is warping rotors at that rate, she might be keeping one foot on the brake all the time, or has never learned how to "brake in advance" (poor braking technique), or drives around with the emergency brake on (What the heck is that "DING DING DING" noise?). Warping generally comes from either extreme heating (bad braking habits) or from improper torqueing of the wheels to the hub (ie over-torqueing or uneven torqueing).
#16891 of 18277
Re: Bravada Warranty? and TB Brakes [imadad2] by fyreman235
Jun 29, 2005 (10:52 am)
Reply

Replying to: imadad2 (Jun 29, 2005 5:35 am)

I have 87K miles on my 02 Bravada. Each time I have any service I ask them to check the brakes. The last time they said that I have 30% left on my pads. I have never driven over 50K on a set of brakes before. Although quite a bit of my 87K is highway driving, I still think that many miles on brakes is incredible. A friend who owned a previous-vintage Bravada warned me about his brake problems. He averaged about 10K on pads. It seems that GM did at least one thing right with the triplets!
#16892 of 18277
Re: Bravada Warranty? and TB Brakes [fyreman235] by burdawg
Jun 29, 2005 (1:01 pm)
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Replying to: fyreman235 (Jun 29, 2005 10:52 am)

We have an 02 TB with 32K miles. I rotated the tires recently and found the brakes to be at 80% or slightly better. That's amazing, with stop and go traffic in Southern California, plus the wife using it about 90% of the time (she's a little hard on the brakes). Usually, I'm happy to get 25K on the front pads.
#16893 of 18277
Re: Bravada Warranty? and TB Brakes [burdawg] by envoyenvy2
Jun 29, 2005 (1:13 pm)
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Replying to: burdawg (Jun 29, 2005 1:01 pm)

I also was told at 46K that my pads looked pretty much new. I did have to have the rotors turned due to pulsating. The guy at the tire store mentioned that if you have been braking a lot and heating the rotors and then they get wet it can cause warping from the rapid cool down. Guess this makes sense.
#16894 of 18277
Re: Bravada Warranty? and TB Brakes [gmfan] by mrgem
Jun 29, 2005 (3:06 pm)
Reply

Replying to: gmfan (Jun 29, 2005 5:05 am)

Thanks for the info, GMFan. I just checked my wife's brakes at 41k and they looked great as well. Our last Bravada, a 97, only got 17k out of the front pads. We live 9 miles up a mountain canyon and driving in the mountains tends to eat brakes up -- but this 02 Bravada has been excellent in that respect.
 
But back to my boss' 02 Trail Blazer...Her brakes have gotten used up about 5 or 6 times in the 46k miles she has put on the truck. She tells me she has never had a problem with disk warpage or pad wear on any of the other cars or trucks she's owned, so I tend to believe there might be a problem with the truck, rather than her driving style. She also told me that she is averaging less then 15 mpg, while my wife, with an AWD Bravada, is averaging almost 19 mpg, with driving that includes plenty of mountain climbing. The AWD system alone should create more drag and result in lower mileage, I would think.
 
Do you think she could have a hydraulic problem that is causing her pads to drag and overheat the rotors? That could also explain the poor mileage, don't you think?
#16895 of 18277
Re: Brake pedal went from 'mushy' to much worse [gmfan] by wrenchspin2
Jun 29, 2005 (5:10 pm)
Reply

Replying to: gmfan (Jun 29, 2005 6:59 am)

gmfan, thank you for checking your repair manual. Please let me know if you happen to spot any unusual steps. The fluid level is normal, no loss (is slightly below the MAX line), I checked all the wheel/caliper areas anyway and was no sign of any wetness. So my assumption is the MC bypassing fluid.
To answer your question- (and please keep in mind most people have varying opinions) I just never liked the brake pedal feel or pedal travel. I've previously owned a Pathfinder and two 4Runners that, in my opinion, had better brake feel.
I currently also have a 2005 4Runner and I like the brakes. Have I done any technical data research comparing SUV braking ? Nope. I just made my statement based on my foot and seat-of-pants feeling of driving the vehicle over the past 3 yrs. Of course, your question '"what other SUV's have better brakes?" could be taken in different ways. Did you mean 'better' as in just comparing overall dry stopping distance, or do you mean "better" as in comparing the braking system components of available SUV's such as rotor size/design, pad composite, applied brake system pressure, single/dual pistion calipers, ABS design used, and wet stopping distance ? I guess all of the above would have to be considered to decide what SUV out there has the "better" brakes! Of course, there are also people who would perhaps feel that their vehicle has 'better' brakes because their semi-metallic pads lasted them for 60k or they never had a warped rotor or evil caliper that froze up! Haha.
Our Envoy has been the classic love/hate relationship; love the looks/design, the ride and comfort and gadgets. Hate the things that have broken, still don't work correctly, software gremlins that come and go with a mind of their own, and parts that prematurely wore out. Would I buy another one? Yeah probably would dang it.
#16896 of 18277
Re: Transmission doesn't like towing :-( by deano
Jun 30, 2005 (3:44 am)
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The trailer is 3300# dry and about 3700# wet (w/ propane & water). Add some food, luggage and 5 bicycles and I'd guess we're way less than 4400#. The five of us people weigh around 700# so the weight added to the truck (people and trailer) is way less than 5100 pounds.
 
My TB has the 3.73 ratio so I think the rating is up to 5600 or so. There was no wind, but the ambient temp was in the mid 80's, and the road was fairly level (in NW Ohio).
 
On a hunch (since this happened before), as we were getting ready the day before, I jacked the trailer and all four wheels spun very freely.
 
Too bad that the tranny acts up like this, since GM originally touted the EXT version as a towing vehicle. It's very stable and comfy pulling my trailer, but this non-shifting drove me crazy.
 
I know it has one built in, but maybe I need to add an aftermarket tranny cooler?
 
Thanks for the comments,
 
Deano

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