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Chevy Uplander/Pontiac Montana SV6/Saturn Relay/Buick Terraza



  • I have had some problems with my lease. My side sliding doors will often electronically open by themselves. I do not know what the problem is and I am wondering if anyone has had the same. My van has been in the shop numerous times for this problem and they do not know what the problem is. Usually, my car has to be at a complete stop and in park in order for the doors to open automatically. None of the buttons in the car or on my key ring had been pressed. This problem even occurs when my children are not in the vehicle. Replies would be greatly appreciated. :mad: :confuse:
  • hammy233hammy233 Posts: 24
    Article quote:

    Uplander minivan is poor performer in side test:

    The Institute tested the Chevrolet Uplander with and without its optional side airbags (results apply to similar Buick, Pontiac, and Saturn models). In both tests there were problems with the seats in the middle row. With the optional side airbags, all four attachment points for the seat occupied by the rear passenger dummy completely dislodged. The seat broke free.

    In the second test without side airbags, one attachment point released and a second one broke, allowing partial separation of the seat from the floor.

    "This didn't worsen the injury measures recorded on the rear dummy, but a real person in a more complicated real-world crash might not fare as well.

    Seats should stay attached because they're part of the restraint system, and in real crashes vehicles may roll over or be hit again," Lund explains. If this hadn't happened, the Uplander with optional side airbags would earn a rating of acceptable for protection in side impacts. The seat problem downgrades the rating to marginal.

    Without the optional side airbags, the Uplander is poor regardless of the seat problem.

    General Motors engineers have identified a fix for the seats and shown the Institute promising data from a prototype test. When this change has been made in production models, the Institute will test the Uplander again and report the results. :lemon: :lemon:
  • iglooigloo Posts: 8
    On the 2005 Terrazas, the chrome pieces are on both sides of the front bumper. The moldings on the sides of the rear bumper are there as well. On the 2006s, you would not see those anymore. Not a big deal, but I thought the chrome pieces are nice touches. Other than that, I don't notice any other changes in the looks department.
  • One thing that really annoys me is the styling of the Saturn Relay. In my opinion the Saturn Relay is the best looking one of the 4, except for one thing. The lower black plastic molding that runs all the way up the back of the rear bumper. The molding on the front looks great, but then, on the back side, they choose to basically make the entire back bumper made out of the stuff. They should have done what Pontiac did and do half the back bumper with body color, and the other half out of the black molding.
  • rukmnsrukmns Posts: 2
    I have been following this forum for a few weeks and here is my list of problems with our '05 Uplander LS. It was purchased used with 22,000 miles in Sept 2005,it now has 40,000 miles.
    New alternator per TSB
    New sliding door moldings(originals were coming off)
    New sway bar link on driver side front
    Goodyear tires(rear)cupped(very loud highway noise)
    Rear 3rd brake light lens cracked(replaced by dealer)

    Dealer service has been excellent,but I wonder if this vehicle is going to last???
  • genmtrfangenmtrfan Posts: 78
    It sounds like you have the typical problems except for the brake light cover and the sway bar link on the front. We have replaced the moldings, alt, and I replaced our Goodyears at only 16K miles for the same reason. Those problems aside, I predict these vans will have solid long term reliability as we're not hearing of pre-mature engine or transmission failures. By the way, what were they symptoms of the sway bar problem?

    Regarding the tires, I replaced the GY's with Yokahoma AVID TRZ tires (rated highly on Tire Rack). These have made a huge improvement in wet traction and noise. I'm going to be sure to rotate these every 5k. I've heard enough people comment on the rear tires that I wonder if the rear wheels are causing pre-mature wear or if the GY Integrity's just could not handle the job. One morning we were late for the airport, the van was loaded-down and I was taking the corners really fast. By the time I was almost there, every time I took a hard left it sounded like a wheel bearing(really loud roaring/grinding sound). When we got to the airport I could actually smell smoke (although I didn't see any). I believe that the GY tires were wearing poorly and could not handle my spirited manuevering. Tires fault or van's? I don't know, but I'm only letting these new tires stay on the back for 5K at a time.
  • rukmnsrukmns Posts: 2
    Symptoms for the sway bar link were a light metal to metal rattling and not necessarily on rough pavement,took it to dealer and had a service tech ride with me and he heard the same thing. I love the gas mileage but the tires will diffently have to be replaced soon.
  • stobarstobar Posts: 110
    My new '05 Buick CXL has the Goodyear Integrity Tires. I read a few posts that people had experienced problems with them. I wanted to follow up to see if they are that bad? I know that my 2001 Olds Silhouette had Goodyear tires that I ended up replacing somewhere around 36,000 miles due to treadware, and bought Michelin Simmetry's which turned out to be a wise choice. If there are any other comments regarding the Goodyears and possible replacements, I would love to hear. I'm hoping not to replace these any time soon, and have always leaned towards Michelins as replacements. Thanks.
  • I had the same sway bar link replaced on my 05 SV6- it was like a knocking noise from the front drivers side at slower speeds. The dealership first thought it was a broken sway bar, then decided it was the link and fixed it. I thought it came back a couple months later, but it turned out to be something else- they put some kind of insulators in the wheel wells that time. I'm not sure if that fixed it, or just made it quieter!
  • jerrywimerjerrywimer Posts: 588
    The tires on my 2005 CX are the same ones you have. They are quiet, good riding / handling tires, but seem to be wearing fairly fast. We have less than 10,000 miles on the van so far and from the appearance of the tread I don't expect to make it past 25,000. Maybe not even 20,000. I'll probably check out to see some reviews of other passenger tires when the time comes to replace these, as I like the quietness and ride, but would hate to keep replacing tires every 20k.
  • iglooigloo Posts: 8
    Do you notice a black line acorss the top of the handle housing? I also have a dark spot in the paint where the handle sits inside, you'd have to lift the handle to see it. It looks like a paint wear or rather a thin coat of paint. My Terraza is white and it is noticeable with the dark spots.
  • iglooigloo Posts: 8
    Have anyone installed the backup sensors on the vans? Mine doesn't come with them. I have looked other aftermarket products, but the display units are cheesy and not OEM like like the factory ones. I wonder if OEM parts could be ordered and installed.
  • maddmadd Posts: 10
    Here are the items that I had fixed under warranty.

    1) Clunking noise from front suspension.
    Service Bulletin # 3772
    Fix - Excessive play in left front stabilizer link - replaced left front stabilizer link NE-2E E2141

    2) Child comfort clip comes off from seat
    Service Bulletin # 030950001
    Fix - part ordered and will be replaced by third party.

    3) Headlights and interior lights flicker.
    Service Bulletin #10014992
    Fix - Replace Alternator

    4) Horn - high effort to sound horn
    Service Bulletin #050854001
    Fix - Replace horn springs with springs with less tension.

    5) Whistle noise coming from engine.
    Service Bulletin # 050601005A
    Fix - Replace PVC hose.

    6) Rear brake drag.
    Service Bulletin # 3679
    Fix - replace rear disc brake.

    After all this was fixed I went on a road trip, over 1200 miles, and my mileage was 26.2 mpg up from 21.4 mpg.
    replacing the PVC hose increased the fuel economy.
  • jerrywimerjerrywimer Posts: 588
    It seems that some people have vans that have LOTS of serious problems, while others have only one or two relatively minor things (flickering lights, horn). The person owning the vehicle with the following VIN seems to have had an especially bad time: 1GNDV33L95D..

    Makes me wonder if perhaps this person wasn't happy with their vehicle for maybe just one real reason, but decided to enhance their claims with a few imaginary problems.
  • genmtrfangenmtrfan Posts: 78
    None of that enormous post was really news. It again confirmed all of the issues we've discussed. However, I think that the Uplander does have a safety switch on the side doors. All I have to do is press on the door while it's in motion and it immediately backs up. Perhaps the safety mechanism failed in that case.

    It was scary to hear of a real life example of what the insurance institute found in their side-impact test. Is GM planning a fix for that?

    Today I picked up the Uplander after dropping it off to have the windshield re-sealed (train whistle noise at high speeds) and to have the passenger dash rattle fixed. I pulled out from the dealer, then pulled right back in. The dash rattle was not fixed. Can anyone tell me specifically what their dealer did to fix this?
  • genmtrfangenmtrfan Posts: 78
    Did replacing the PCV hose completely fix your whistling noise? We had that done too, but it still whistles when it's cold, then goes away in about 5 minutes. I think the next step is to replace the intake manifold, which I'm not sure I want them to do.

    We've had everything done that you have except for #1, #2, and #6, plus we've had the side mouldings replaced. Do you not notice a rattle in the dash area on the passenger side when you hit a bump (railroad tracks will do it)? Many on this forum have mentioned it.
  • morewasabimorewasabi Posts: 58
    We had a dash rattle that wasn’t really a dash rattle at all. It turned out to be the passenger sun visor clip that holds the sun-visor in place. My wife found out where the rattle was coming from. Put her hand on the sun visor clip arm (passenger’s visor left top side – where the sun visor arm clips in.) and the rattle stopped. The dealer replaced it and the rattle stopped.
  • jerrywimerjerrywimer Posts: 588
    According to at least one of the articles about the side impact test GM already has a "promising fix" in the works, and that they expect to retake the test with the fix and pass. I personally hope this is a recall item in the very near future too.
  • blessingsx4blessingsx4 Posts: 16
    "The person owning the vehicle with the following VIN seems to have had an especially bad time: 1GNDV33L95D."

    May I ask where you obtained this VIN number and who it belonged to?
  • genmtrfangenmtrfan Posts: 78
    I picked up the Uplander tonight from the dealer. This time the rattle was fixed. He said they called GM and GM was aware of 4 other cases of this passenger-side dash rattle. GM advised them to completely remove the passenger airbag and re-secure it. It worked. After recent trips for the horn springs, dash rattle, windshield, and moldings, I'm hoping that I'm good to go. The only thing I haven't needed is the sway bar link.

    I hope GM recalls it for the second row seat improvement.
  • jerrywimerjerrywimer Posts: 588
    There was a series of posts including complaints from the NHTSA site concerning the GM vans (Uplander mostly). Most of the complaints included VIN information, and I noticed that many were for the same vehicles (not just the VIN you ask about there either). That VIN seemed to appear far more often than the rest though.

    As far as who it belonged to, I didn't see that information in any of the complaints. Just the vehicle's VIN and the information about the complaint (malfunctioning power doors, etc.).
  • maddmadd Posts: 10
    Yes, changing the PVC hose has stopped the whistling noise completely.
    The intake manifold would be the next item to replace if the whistling continues.
  • maddmadd Posts: 10
    When you file a complaint with NHTSA you can fill out a form or you can call the DOT Vehicle Safety Hotline at 1-888-327-4236 and a NHTSA representative will record your complaint information. They will ask you for your vin# so they can tract the problems.
    It's through these complaints that the gov. issues recalls.

    Here is the webpage:
  • zilzil Posts: 1
    How do you program a key fob on a 2006 Chevy Uplander?

    I need the GM/L not the GM/UTA
    I also can help wit a Nissan and Ford

    Here is the GM/UTA way

    Different keyless entry systems are used on General Motors vehicles. The
    parts are not interchangeable even though the parts may appear to be
    similar. Observe the back of the transmitter in order to properly identify
    the system. On 2000 S/T pickups and utilities, use a transmitter identified
    with GM/UTA preceding the part number.
    With the driver door closed, hold down the power unlock button on the door
    Turn the ignition switch to the ON position.
    Turn the ignition switch to the OFF position.
    Turn the ignition switch to the ON position.
    Turn the ignition switch to the OFF position.
    Release the power unlock button on the door panel. The remote control door
    lock receiver will respond in the following manner in order to indicate that
    the receiver is in the programming mode:
    Locking the doors
    Unlocking the doors
    All extra transmitters must be programmed at this time. When a new
    transmitter is programmed, the old transmitters will be deactivated.
    Hold down the lock and unlock buttons on the transmitter until the remote
    control door lock receiver will respond in the following manner:
    Locking the doors.
    Unlocking the doors.
    Repeat step 7 for each additional transmitter.
    Turn the ignition switch to the ON position in order to exit the transmitter
    programming mode.
    In order to reprogram the remote control door lock transmitter with a scan
    tool, refer to Scan Tool instructions.
    Memory Seat Recall Programming
    Adjust the driver seat to the desired position.
    Press the switch labeled SET. A chime confirmation will be heard.
    Press the desired position switch labeled 1 or 2. Within 5 seconds from
    pressing the SET switch, a chime confirmation will be heard.
    Press the UNLOCK button on the desired transmitter (key fob) within 5
    seconds from pressing the SET switch. A chime confirmation will be heard.
    The transmitter (key fob) is now programmed with the desired position
    switch. Pressing the transmitter UNLOCK button will cause a recall request
    to be initiated and the seat will adjust to position 1 or 2.
    The stored memory positions may be changed without having to reprogram the
    The transmitter feature is available in all ignition positions.
    Memory Seat Recall Unprogramming
    Press the switch labeled SET. A chime confirmation will be heard.
    Press the UNLOCK button on the transmitter (key fob) within 5 seconds from
    pressing the SET switch.
    Do not press any memory switch or power adjustment for 5 seconds. Pressing a
    switch will cancel the unprogramming event and the transmitter will remain
    The transmitter (key fob) is now unprogrammed and pressing the UNLOCK button
    will not effect memory seat operation.
    No chime confirmation will be heard when the UNLOCK button is pressed if the
    transmitter is unprogrammed.
  • Hi Jenny, It's Angie....Sorry i havent been on here lately but been busy taking our SECOND SV6 to the dealer for ALL THE SAME PROBLEMS AS OUR FIRST ONE!!!! Doesn't shock me, I should have known better! It is only a matter of time before they have to buy this one back as well. No one can tell me that they think this is a RARE thing in these vans. For one person to have TWO vans that are lemons in NOT a coincidence!! I have had it in for the sliding doors, the fuel pump/fuel gauge, the starter and the whistling noise in speakers. This van only has 1800 miles on it.... :lemon: :lemon: :lemon: :lemon: :lemon:
  • Hi ,

    I bought a brand new pontiac montana about two months ago and within one month, I had a low pressure oil message ( not the low oil light) but the actual message.

    The message usually appears at start up and do not stay on. It occasionally appear but not all the time.

    I sent the vehicle to the dealership but because they could not see the message they could not fix it and said that they could not duplicate the customer's concern.

    I sent it again to the dealership as the message keep coming when I used it. Again they could not see the message and could not fix the problem.

    Has anyone had such a problem and have your dealership been able to correct the problem?
  • cm3246cm3246 Posts: 8
    I have taken my Montana SV6 in twice because of the radio reception and they tell me nothing is wrong with it. I also have had the radio steering wheel controls malfuction and again they tell me nothing is wrong. Has anyone else had this problem? Also thanks to everyone ref the flickering lights, now I have something to take back to the dealer who told me again nothing was wrong.
  • 05terraza05terraza Posts: 1
    Have noticed (2/3 times) the low oil pressure message but only for a few seconds when the engine was cold at start up. Assumed-hopefully correctly-it was low only because it was cold.
  • Mine did appear at least three to five times a week and not only when cold , sometimes in the afternoon or evening when the temperature is hot and usually at start up.

    Talked to the dealer today and apparently they do not know the source of the problem and they are working on a fix. I would contact the dealer for your problem. The higher the number of people complaining about it , the faster they will find a fix to it. In the meantime they are asking me not to worry about it.

    Imagine if the engine catches fire because of that message, the warranty will not cover the repairs. See the manual.
  • bhmr59bhmr59 Posts: 1,601
    That VIN " 1GNDV33L95D" is only a partial VIN. All VINs for vehicles sold in USA have had 17 digets since 1981 or so.

    This partial # identifies the vehicle as 1= Made in USA, G= general motors, N = Chev Multi-purpose, D = 5-6,000lbs GVW, V3= Uplander ext wheelbase, 3= 4dr MPV, L = 3.5L 6 cyl, 9= check diget, 5= model year 2005, D = assembly plant. The 6 digets missing from what would be a complete VIN are the numbers that would be unique to each vehicle.

    There could be hundreds or thousands of vehicles with the same first 11 digets. Each of these vehicles would have their own unique last six digets to identify each specific vehicle.

    If there are many reports of problems with "1GNDV33L95D" it means that that make & model with the 3.5L engine manufactured in the assembly plant designated as "D" has had many problems.
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