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Buick Rainier, Chevy TrailBlazer, GMC Envoy



  • aldan93aldan93 Posts: 202
    Well my wednesday trip to the dealer was interesting brought it in for four problems they fixed none of them!!!!!!! The LOW pressure switch I need for the AC is on National BACK ORDER!!!! Thats just great!! ITS fun driving on vacation with no AC and temps in the 90's!!!!! Selling in the spring, this is it, this will be trip number 9-10 coming up!!!! back to the dealer 6 month old vehicle!!! This sucks!
  • ltz2003ltz2003 Posts: 24
    ALDAN93 I had a low pressure switch installed today. I ordered the switch myself because they did not know what to do i had to tell them. The switch was ordered on monday and they got it tuesday.Now my air works fine i just hope it lasts. Sorry but i must have got the last one on earth.Or they may not be telling you the truth. Good luck
  • From what I can see on Edmunds regarding next years models, it looks like the locking differential is no longer being offered as an option. I sure hope its a typo, since an Envoy with a "locker" is one mean and aggressive bear in the snow. Any one out there who plans on "ordering" a triplet, its well worth the few hundred bucks, assuming its still available. It makes your 2 wheel drive into a 3 wheel drive. The difference is both striking and remarkable.

    No vibration from the gas pedal now that its warm. I cant wait for winter for it to come back.
  • pepper50pepper50 Posts: 195
    tblazed, the polymer I use is called Meguiar's #20 Polymer Sealant. It is easy to apply like a liquid wax with an applicator, dries like a wax, then easy to buff off. It's a longer lasting protection than you get with the spray-ons like Quick Detailer. Quick Detailer, if I remember correctly, is more for touch-ups between wax jobs. It's probably similar to the Meguiar's Final Inspection I use occasionally, sometimes to clean up bird droppings, which it removes easily and leaves a glossy finish. Dealers use similar products to get rid of all the fingerprints in the showroom each day.
  • mdeymdey Posts: 90
    $190 to do the flush system for transmission service OR $125 to drop the pan and replace the screen and refill. I chose the flush system. The OE screen is still in there.
  • tblazedtblazed Posts: 945
    "It makes your 2 wheel drive into a 3 wheel drive. The difference is both striking and remarkable."

    Or, I think of it as keeping my 2WD from becoming a 1WD. No "G80" option? Maybe they made it standard. I doubt that though. I had to drive 200 mi to get mine with the G80, gear ratio, and other options I wanted but a surprizing number I looked at in '02 in dealer stock had the G80 option. I think it is very important to have in a vehicle with any decent power. Makes taking off from a stop on a slightly uphill wet street across 6 lanes of traffic much easier.
  • gam2gam2 Posts: 306
    Check out Edmunds current pricing/options for a 2003 Envoy. The locker is not there. Does not show up as standard equipment either. Does show up on a 2003 Trailblazer though....

    I agree, having the locker is great. I did not need 4WD in many case last winter.

  • aldan93aldan93 Posts: 202
    The locker/ limited slip rear are options, the the same rear end goes in all three trips. Trust me!!! you just have to order it!
  • aldan93aldan93 Posts: 202
    Where did you order the switch from?? is it easy to replace?
  • nuyorkahnuyorkah Posts: 100
    "The LOW pressure switch I need for the AC is on National BACK ORDER!!!! "

    PN# 89040362 Pressure Cycling Switch is NOT on back order. They are straight up lying if they told you that. There are over 25000 of these switches in one warehouse alone. I'm surprised that they didn't have the switch in there own stock considering how many different trucks this TSB applies too. If there is another Chevy dealership in your area I say lose this one. If you want to pay for it and do it yourself just call another GM Dealerships Parts Dept. give them the PN# and check availability. It should take you a whole 5 mins to do the install. Just remove old switch install new one, no evacuation of the A/C system is needed. Just remember you may have another problem with your A/C system and the switch might not fix the problem and you will NOT be able to return it for a refund.
  • tblazedtblazed Posts: 945
    Did you find any specifics on the Hotchkis product? When I looked their web site seemed rather limited, like no links to any additional info. Wonder if they will sell just the front bushing parts but the price seems within reason for the whole kit. I emailed them so maybe Monday will hear back.

    BTW my old original low side cycling switch continues to work, and worked great for over 5 hours continuously last weekend. I have never had mine quit cooling or that switch quit cycling after the system gets cooled down. So like Nuyorkah said, it might not fix the particular problem you are having. The issue I have is the High side cutting out after startup in the hot afternoon. I can pretty much keep the compressor on, not cutting off, if I let the system cool for a min or so with the fan on 1 and definitely in Recirculate. Those with insufficient cooling after everything gets stabilized, make sure you are in Recirculate. Too bad they don't incorporate a slow blower fan speed ramp-up like my Dad's old '79 Caddy did. It would gradually increase the fan speed up to your setting, as the evaporator would get cool and not blast you with hot air in the face. Old-tech. My home a/c sort of does the same thing the old Caddy did- precools the evaporator before the fan turns on to get the coils cold quicker and not blast hot humid air into the house.
  • wxman4wxman4 Posts: 53
    I originally inquired to see if the Hotchkis bar was good for the extend models as well, I have an EXT. The reply follows; about all I know.

    ""I believe the bars will work on the EXT. We found that the vehicle only needed a rear upgrade and we include new bushings in the front. What engineering believes GM did was designed it with such a soft front spring, that they needed to over compensate with the huge front bar they installed. That combination left it with a lot of under steer, where it feels like the front end is pushing out towards the curb in turns. The addition of our rear bar will balance it out. We may also have a lowering kit available in the future also.

    Good Luck
  • My question was, will it be offered in the 2004 models? Edmunds says no and the GMC site wont switch to the 2004 models until they are well on their way to clearing out the 2003 models.

    And Tblazed...I would have driven 200 miles to find an Envoy with the G80 as well. My dealer sold me the Envoy that was on the lot at 400 below invoice,(BEFORE REBATES!) to entice me to give up the G80. It was the end of last year and GM had a big big contest to push up their market share for the year. I had talked to him right from the get go, no locker, no deal! Every man has their price, and for 400 below invoice Ill even lease it with the over priced Onstar.
  • ltz2003ltz2003 Posts: 24
    I didnt install the switch it was a warranty thing. When the parts guy ordered it he said they had a ton of them. I ordered mine in new castle pa.All dealers are close to being the same. I know people at this dealership and they know me. But they dont know to much maby they should read edmunds because i had to tell them what it needed to fix it and show them the print out of the problem.If i have anymore problems i will do the same thing so i know it will be fixed .
  • Since the end of the month was coming up I jumped and got a 2003 Trailblazer LTZ.

    I was on the GMS plan and had the GM card. Got a few other discounts with it. Pretty much "fully loaded". Only option it didn't have was traction control, Bose system, and XM radio)

    MSRP $36,495
    Invoice $33,000
    TMV $33,400

    Mine before
    tax $25,300

    Figured $11,200 off MSRP wasn't shabby :)

    It's at another dealership and should be in Monday or Tuesday. I hope there won't be a ton of problems as it seems most people seem to find this vehicle problematic.

    Guess I'll get a speaker upgrade and a XM thing put in in a couple of weeks. Is the 6 disc changer and LTZ package have any better speakers than the base LS?
  • fomjr1fomjr1 Posts: 1
    03 LT 2WD/TB has had AC problems for 5 months. Dealer has put in two new switches and compressor. Now they say it is operating in spec. Does anyone know what the specs are?

    It did work for a few days but when the temp goes into the high 80's it just doesn't seem to do the job. Air temp coming out of vent is 58-64. Recirculate helps some. Auto climate control I thought was supposed to be good?
  • ron_mron_m Posts: 188
    I believe that someone posted a message here a while back that GM was dropping the LTZ model from the TrailBlazer line in 04'. Can anyone confirm this? If they do, what model/trim package will GM use to replace the LTZ in regards to the standard options that it offered?

    Ron M.
  • aldan93aldan93 Posts: 202
    Well first I would like to tell you guys that I have figured out why sometimes my MPG is 15-16 versus 19 MPG 50/50 high/city.

    #1 I used to fill up at Sunoco, they use 10% Ethanol always got 15-16 MPG

    Started using Mobil, I have been getting a consistent 19MPG

    Stay away from the ethanol blends it kills your MPG.

    I did fill up at Sunoco once in between just to see if I was nuts, Nope 17mpg.

    So take it for what its worth! food for thought!
  • rad225rad225 Posts: 15
    I had my noisy tach fixed at the dealer, they had the TB overnight to allow the dash to cool off. In the morning they could clearly hear the noise. It took them a while to find the fix, according to the service advisor, when they called GM tech support, the were advised that the problem was rare. It is being tracked by GM in the "confidential" category of Trailblazer problems. Not enough tachs have failed to become a TSB.

    The fix is to replace the entire instrument panel cluster. They installed a rebuild unit, it works fine. The tach noise is now limited to engine start up, which IS normal. Thanks to everyone for their replies, the information from this chat room helped cut through the BS when I returned to the dealer.

    By the way, my loaner car was a rental Xterra, what a piece of junk, my kidneys are still recovering from the poor ride.

    Thanks again,
  • Can you break down the numbers for us? How many GM points did you have? Sounds like the deal of the century. Congrats!

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