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Buick Rainier, Chevy TrailBlazer, GMC Envoy



  • LOL! Yeh i know a friend that has the 300C, they are sweet. I am not much of a Mopar fan. I had a Grand Cherokee Limited and has nothing but problems with it. Give it a shot, they are nice looking and can't beat the HEMI !! I just hope GMC does something about some of these issues, mirrors especially. Seems like a prominant problem out there with alot of people. Good Luck man!!
  • fpannofpanno Posts: 8
    Looking for best message(s)and/or solution to solve the terrible wind noise for my 02 Envoy. Thanks
  • seifordseiford Posts: 68
    Some have tried adding some foam inside the weatherstriping (see msg #14237 and others) but didn't have any noticeable reduction in wind noise.

    That's one of the 6 things my Envoy is at the dealer for today.
  • If you are talking about the cross winds that actually pull the top of the door open to make a terrible sound, I was able to show this to the dealer on a windy day and they replaced all door seals and adjusted the doors all under warranty.

    If you are referring to the normal wind noise without the cross winds, try the whistling mirror fix that is posted way back on this forum. If you never use your roof racks, take them off (cross bars AND side rails). You can also try to find scrap/used Rainier front door laminated windows and windshield to replace yours. Or put in about 100 square feet of sound deadening fabric that someone did to lower the sound of the new exhaust system they put underneath. I also had the baffels replaced that are viewable with the front doors open in the front quarter panels and just behind the front wheel wells. Mine old ones were falling out and the dealer replaced with a new design under warranty.

    Otherwise there ain't much else to do except trade for a Rainier.
  • scottc454scottc454 Posts: 356
    I prefer the caulk method in post #14233.

    Actually, I haven't done it yet but I've been meaning to.

    It tightens the seals only where needed, as opposed to putting a foam thing all the way along the door edge. This seems like it would be more effective because on my driver side door, there is a tight secton where the dollar won't easily slide through. I want to leave that part be and just raise the weatherstrip at the low points.
  • fpannofpanno Posts: 8
    Any products out there that is proven to increasing MPG on the GMC Envoy?? Computer chip and the "Tornado" is what I've heard. Please recommend what has been successful.
  • scottc454scottc454 Posts: 356
    For the most part, the thing's already at maxiumum fuel economy. It is an SUV, after all.

    The Tornado is a worthless gimmick. Anyone who tells you different is an idiot.
    Getting one of those chips will increase performance at the expense of fuel economy.

    It's possible that an aftermarket exhaust will increase gas mileage.

    You could sell it an get an Equinox, though.
  • gmfangmfan Posts: 188
    Got my vehicle back yesterday from dealer and looked it over. Dealership did a fantastic job. Having a great dealership is the key here, especially with early model triplets. They went ahead and performed the wiper motor recall by inserting the plugs to stop water entry. I guess the motor was okay. 50K mi on 02 TB and happy again. While looking under the hood when vehicle cold, I noticed the cold level indicator on the Dexcool reservior low. In fact, I opened reservior and indicates no fluid. Better not be water pump acting up, but got the extend warranty so no big deal. Would the PCM indicate low coolant? Anyone break 100K mi yet?
  • ross1962ross1962 Posts: 229
    Agree 100% with Scott and want to add that you will not find an SUV on the market with milage this good with this kind of horsepower and towing capacity. I think this largely has to do with the I6 motor which nobody else offers today in an SUV.
  • tmarkb2tmarkb2 Posts: 37

    What is the part number (and/or TSB#) for the newly designed baffles for the front quarter panels? I just closed the driver's side one in the door the other day. BTW, good idea taking off the luggage rack. I did it at around 500 miles from new. Much cleaner look.


    I've been reading several posts re: having the license plate surround gasket replaced. I don't know whether to take it to the dealer, try it myself or eat a bullet! Sounds as though some of you have some really nasty stories about chipped paint, re-painting the entire tailgate(!) and oozing gasket cement. Is this a big deal?
  • tmac8tmac8 Posts: 32
    After installing the Borla cat-back exhaust and racking up about 1000 miles, I recently checked fuel economy on a 6 1/2 hour one way trip and back. 2002 Envoy with 27000 miles and 3.73 gears.
    On a 90 degree day with 15 mph head wind, I still improved mpg by 2 1/2 miles per gallon. Checked the same coming back. Although I did not buy it for increased mileage, it was a pleasant surprise.
    BTW, I had the license plate gasket replaced twice and had no problems with paint or cement.
  • My take on the gasket. If yours came from the factory with it on, should be no issues with chipping paint or paint problems. The early 2002 models (mine was one) came from the factory without any gasket at all, and lots had problems with the plastic piece expanding in the heat and scraping the paint.

    In my case, the paint was scraped a bit but not through the primer. The gasket covers where the paint is scraped, so I am not concerned with it. I saw some Envoys on the lot with the "oozing glue", so I asked the tech if it was a problem. He said they used no glue when they replaced, just tightened it in place. My guess is that they use the glue at the factory to hold them in place for assembly.

    At any rate, mine looks great without any glue used. My truck is black, an extra plus because it makes the gasket practically invisible.
  • twinrottstwinrotts Posts: 161
    Flirting with 35K miles and have convinced myself that an extended warranty will be a worthwhile investment. Considering the GM Major Guard. I live in NY but am looking at Blacks in PA. My only concern is the clause in the warranty that says to call the dealership at which the warranty was purchased to arrange for covered repairs.
    Has anyone experienced a problem with using the warranty using a dealer other the where you purchased it?
    Any comments on the overall quality of the GM Warranty?
  • tblazedtblazed Posts: 945
    Haven't seen this topic in over a year. Was reading in the new August '04 GM Techlink that GM, BMW, Honda, and Toyota together have come up with a new higher standard for gasoline - TOP TIER gas. Has to meet standards higher than the EPA sets.

    The organization's web site explains a lot in detail-

    That "cheaper, high volume" station I was using over a year ago is QuikTrip which is on the short list of brands (2 so far) that have met this new standard. Probably explains why I didn't have any idling problems with that brand, but started to have an intermittent stumble in the idle after using gas about 6-7 tanks from Sam's. The other brand that qualifys for TOP TIER is Chevron-Texaco. Shell says they will be certified by the end of the summer.

    Something new to consider when choosing which brand of gas to buy.
  • hardhawkhardhawk Posts: 702
    I would suggest that you do what I did. Take the Black dealership quote into your local dealer and tell them you will offer the same price that Black will sell it to you for. Tell them you would rather they get the money than Black. My dealer did it in a heartbeat. I imagine yours will too.
  • twinrottstwinrotts Posts: 161
    Thanks Hardhawk.. I am indeed planning that approach but wanted to understand the consequences of my contingency plan of buying from Black in case my dealer would not deal.

    In ealier discussions with the dealer, they were trying to push me to a different warranty provider claiming that they have better luck dealing with them.
    My bet is they have a higher profit margin.
  • hardhawkhardhawk Posts: 702
    I think you are right about the profit margin. Some people I know have been burned when they bought an extended warranty plan from the company their dealer was pushing and the company went under, leaving the buyer holding the bag. GM isn't going to go under and you have the added bonus of being able to use it anywhere at any GM dealer, should you have a problem while on a trip or away from your home dealer.
  • fpannofpanno Posts: 8
    Is tblazed out there?? Do you have pictures on how you fixed your wind noise?? Message #6330 is what I'm intrested...and any other fixes you since then. Thanks
  • gmfangmfan Posts: 188
    I would not worry if an aftermarket warranty company goes out of business. In most cases, another company will buy the defaulting or bankrupt company's book of business. For example, if my Mastertech goes under, it gets transferred to an actual insurance company rated "A" by A.M. Bests. Also, keep in mind there is probably a kickback or rebating the dealership receives from steering you with one warranty provider or another...which could put dealer in a position of conflict of interest.

    My AC quit working this weekend. I turned off motor and re-cranked and everything is fine. I remember seeing many previous messages regarding this. Is this the AC switch everyone talks about? After vehicle has been sitting for thirty minutes or more when trying blow cold air, it will cycle blowing hot hair, and then cold, then hot air, and then finally continue cooling. My compressor was replaced one month ago and I wonder if this is related.
  • tblazedtblazed Posts: 945
    Seems there are several noise sources and several various fixes people have had luck doing. The things I did to mine might not necessarily apply to yours. email me and I will send you a few pics of what I did.
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