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Pontiac Grand Prix Transmission Problems

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Comments

  • mdjpandamdjpanda Posts: 1
    I am having some problems with my Grand Prix. I noticed a few days ago that the transmission was slipping, and I was told that I needed to get my transmission serviced. I did so, and the guy told me that with 90K mi I needed a new transmission, that this was the norm. So, after charging me 200 to service the tranny he told me that it was going to be 3000 more for a new transmission. SO, my question is... I have also heard that this can be a solenoid on the shift mechanism... Anyone know if this is a normal problem?
  • When I was searching for parts the following part, and more below, showed up. Be sure to scroll down to see additional parts. Hope this helps?
    http://www.autozone.com/autozone/parts/Duralast-Transmission-Control-Solenoid/_/- N-6o2gf?itemIdentifier=971643&_requestid=762171
  • caleb91caleb91 Posts: 1
    My car is doing the same thing. did you ever find out what the problem was?
    thanks
  • I started having this same exact problem within the last month with my 2008 grand prix. I also took it to a shop and they said the problem was fixed... until 2 miles later it came back on. Its back in the shop now and they said its related to the air mask filter... but it's hard to trust a response after a failure the first time
  • gmcustsvcgmcustsvc Posts: 4,077
    doryweismer,
    Are you working with a GM dealer? If you are not comfortable with the diagnosis I would recommend getting a second opinion.
    Christina
    GM Customer Service
  • diyer2diyer2 Posts: 1
    edited April 2011
    Growling noise coming from front end,tires are in good condition and I replaced the right side CV axle since it was leaking grease I thought it was the problem,but the noise is still there. My wife is the primary driver she says the noise goes away when turning left on a freeway corner.

    Any help with this would be appreciated
  • edwinmeyeredwinmeyer Posts: 1
    GM "customer service" will ALWAYS tell you that you have to have them check it, and its is not just GM, other manufacturers are trained to assume that we are all idiots, and stupid enough to pay them hundreds of dollars simply to tell you what they THINK the problem is, about 80% of the time, unless they completely replace the transmission and ALL secondary parts, their "diagnosis" is questionable if not blatantly wrong.
    Keep searching and if you DO get a diagnosis and estimate, make sure that it is in writing, That way, when you actually get the problem fixed, and it was NOT what GM told you the problem was, You can then put in a complaint against them for attempting to RIP YOU OFF.
    Most network television stations have a group that exposes these rip off artists for what they are.
  • gmcustsvcgmcustsvc Posts: 4,077
    diyer2,
    I apologize for your frustration. Have you spoke with the dealer regarding this concern?
    Christina
    GM Customer Service
  • gmcustsvcgmcustsvc Posts: 4,077
    edwinmeyer,
    Thank you for your feedback. It is your opinion and you are entitled to it; however, as all major companies or corporations, we have standard operating procedures. GM does handle their customers individually, not all situations are the same, so they must be handled on a case by case basis. I am here to help make GM aware of our customer’s situations. The only way I can do this is with the customer’s assistance. My first step is to gather their contact information (including a good number to reach them), VIN, current mileage, involved dealer, and a break down of what they are experiencing. The best way to get me this information is a direct email. The next step in the process is the vehicle must be taken to a GM Dealer. They have a contract with GM and must look at the vehicle. For GM to know their customers are experiencing issues, they must contact GM; whether it is me via email or Customer Assistance via the telephone. This will help identify the problem and how large it is. I understand when customers are experiencing these concerns these processes can be frustrating. All concerns, whether it is with a dealer or your vehicle, are documented in the cases set up if GM is contacted directly. Any customer that would like to call Customer Assistance and speak with someone the number is in your owner manual, or email me and I can provide it to you. Any customer that would like me to assist them, please feel free to email me the information requested above.
    Christina
    GM Customer Service
  • webmaster3webmaster3 Posts: 2
    It's the wheel bearing. I had the same issue on my car (2002, Grand Prix, Sedan) Also, have the ball joints done right away too - or otherwsie suffer the consequences of them breaking and leaving you stranded WHEREVER it decides to break.
    The whole deal cost me about $400.00
  • kmyers8kmyers8 Posts: 1
    :confuse: Not sure if this will help but at my wits end. About a couple years ago the car started "surging", RPM's would fluxuate up about 200-300. Like the transmission was "slipping". It was rare in the begining, and not at any particular time. Started to get more frequent as the car was driven more. (I drive some where between 2500-3500 miles per month.) Transmission shops all said nothing was wrong. About six months ago it would "hard shift" on the initial acceleration, but be fine after wards. Two more mechanics said nothing was wrong. NO codes thrown, no metal shavings in the pan, fluid not burned or discolored. Today, the car starts "hard shifting" in each gear shift through the acceleration to traffic speed but seems to be fine after words. A friend thought it may be the pump but not really sure. The car is my job, I am an independent contractor as a courier. I have another Grand Prix, a 2001 that the trans has already been replaced on so I knew buying it that the GM transmission was tempramental. So maintenance has been done at the specified intervals since it was new. Am I really screwed? I have been reading previous posts and they are all pretty much the same thing, except for minor details. It is really frustrating to get the "don't knows" until a major part goes out that costs the consumer in the 1000's. Any help would be very appreciated.
  • gmcustsvcgmcustsvc Posts: 4,077
    kmyers8,
    Have you spoke with your local dealer of choice? Can you please email me with your VIN, complete contact information including address and phone number? I look forward to your response.
    Christina
    GM Customer Service
  • litz2001litz2001 Posts: 1
    Ok I am at my wits end with this car I am about to just get rid of it! We have changed the plugs & wires & coils, and the fuel filter, and the stupid thing is still running like garbage! It's like it's not getting any fuel but yet it's not throwing any codes. You push on the gas & the RPM"s raise but it's not going any faster & then when you let off the gas it feels like it shifts but then it jerks after that like your running out of gas can anyone help me with this?
  • g60g60 Posts: 3
    I have a 2000 Pontaic Grand Prix GT that I am having the same problem. As I am driving the car and as I push on the gas the RPM gage will raise to 3 or higher but the car will not engage. I have to let off of the gas and then the car will shift. Sometimes the car will engage after I let off of the gas but sometimes I have to do that several time before the car will engage. However the check engin light is on and the codes it is reading is PO404 EGR Circuit Range/Performance & PO410 Sec. Air System Malfunction. I have noticed that the car would shift fine until the check engine light appeared. I will let you know if changing these parts will have anything to do with the shifting problem but i do not believe it will help with my problem.
  • g60g60 Posts: 3
    I am having the same problem. I have a 2000 Pontaic Grand Prix with 178,000 miles. I just has the transmission rebuilt because it would not go into 1st gear. Now since I recieved the car back I have noticed that sometimes when you push on the gas while driving the RPM gage will go to 3 or higher but the car will not enagage; I have to let off of the gas so the car will shift and sometimes I have to do this several time before it will engage. I was told that it is an electical problem. I have replaced the computer brain but that did not solve the probelm. I am going to replace the Speed Control sensor next. I love my car also and this seems to be the only problem I am having soI am not giving up. I will keep you updated.
  • g60g60 Posts: 3
    I have taken my car to a tranmission shop because the first gear was out and had the transmission rebuilt. Once I received the car back I noticed that the car was shifting hard and the RPM gage would rise but the car would not engage. I took the car back and they told me it was an electrical problem and they were unable to fix it. I took my car to another transmission shop and told them the RPM gage rises but the car does not engage. I was told it is the torque converter and now my car runs great. Please have your torque converter checked. I wish you luck with your car.
  • Rubbing noise is the wheel bearings and has a sensor. That controls the trac control thats why yr trac and abs light are on
  • 2007gxp2007gxp Posts: 6
    edited July 2011
    I have a 2007 GXP with Tap shift that I have had a shifting problem with, it first started with the computer stating a engin power problem, so the dealer replaced the gas peddle sensor, but i still had some hesitation problem. this week the transmission had a wineing sound and i had no gears at all. Had to have it towed to the dealer and Im waiting to hear the out come . It only has 62,000. easy miles on it. I will be very dissapointed it it need a trans. Any ideas ???
  • 2007gxp2007gxp Posts: 6
    Hi Kate 43 , Im hving the same issue with my GXP and replaced the sensor . as of yesterday I have no gears at all, had to have it towed to dealer and Im awaiting to hear what the problem is. It only has 62000 easy miles . I will keep you posted on the out come, friday im told
  • 2007gxp2007gxp Posts: 6
    edited July 2011
    I have a 2007 GXP, Two month ago or so it started with the reduced power message on the computer. got it to the shop that day and they hook up the test and it stated that the peddle sensor was in question. so he reset the computer and the throttle body was cleaned out. It still ran with hesitation. two days ago the transmission was not pulling when the gas paddle was applied and I schedule and appointment with the dealer, on my way to take it to the dealer the trans made a wining noise and I lost all gear, yep towed. It only has 62000 (easy) miles , while its a power plant of a car I dont drive it that way. Im told they will have a answer on friday. But the problem sounds near the same to most on this site . Does GM have any recalls on the transmission or this problem at this time ? The peddle sensor was replaced prior to the transmission failure
  • gmcustsvcgmcustsvc Posts: 4,077
    2007gxp,

    I apologize for the problems you are experiencing with your vehicle. I would be happy to see if your vehicle has a recall. Please email me with your VIN.

    You can get my email by clicking on gmcustsvc.

    Thank you,
    Caron, GM Customer Service
  • ptmillingtonptmillington Posts: 1
    edited July 2011
    I have a 2006 Grand Prix that is a lemon brought it with 32,000 miles on it in 2007 and the car fax report said it had no problems. I have had the hub assembly replace 3 times, the water pump, the powering steering, the trasmission was rebulit at 62,000 miles. I recently went on vacation and the transmission went out again cost me 2500.00 dollars to rebuild it again only 60,000 miles later. I wish I had never brought this car I have never owned a car that had so many problems. Tell everyone to stay away from GM!!!!!!!!!!!!!!!!!
  • 2002gpgtgurl2002gpgtgurl Posts: 1
    edited July 2011
    Anyone with me??? Just purchased a 2002 GP GT 2 months ago, first of all there's a bad statement, loved GM cars since I was old enough to sit on my grandpa's lap while he taught me how to drive his GM car, don't buy a Ford or a Foreign car he said, oh the regrets in life! My GP has only 91,000 miles on her and is in pristine condition on the outside and interior, whoever owned her before me babied her and she was garage kept! Now for the past two months she has sat in my garage being pamperd more than Queen Elizabeth!! Scared to drive her because the Transmission is hard shifting in first and second gear after she warms up for a few miles, get to my destination and shut her off for a while and head back home and she drives fine, Oh forgot to mention she does not kick into passing gear very well when I go to get on the freeway. I have read soooooo many problems with even newer Pontiac's than mine, no wonder they stop making them!! I have read stuff dating back to the year 2007 on this site, Re:transmission problems and so on, Too many Walmart employee's tried and failed as the Supreme Court turned them down, come on get aboard and as the Nike company says let's "Just Do It"...sarcasm gets me everywhere...anyhoo called GM Customer Service like so many people have done(LMFAO)on here to find out what this PCM code update is all about?? They played stupid and wanted to third party the nearest dealership to set up a "computer diagnostic session" hehehehe...which means more money to tell me what's wrong with my car that sooooo many on here already gave good advise before, Oh and "Car diagnostic computer codes are codes produced by the vehicle's PCM, or Powertrain Control Module. It's a rudimentary computer system which controls the vehicle's engine performance by receiving information from sensors attached throughout the engine and car and making changes accordingly. By using a Diagnostic Code Scanner attached to the PCM, mechanics can determine what's wrong with the vehicle" english man!, ENGLISH! for us non-mechanical humanoids. LONG WINDED I KNOW, but why doesn't GM suck it up and just fix the sh#t and stop using cheap products in their cars?, why do birds fly?, why is the sky blue? Why did GM and Ford receive "bail out" funds from the Government? Here's some interesting, undisputed, historical, data for ya. In 1965 top CEO's made 44 times the average factory worker and still do. Oh crap I forgot to ask why my cars transmission is doing this :confuse: , damn this ADHD!!!
  • 2007gxp2007gxp Posts: 6
    The story continues ( 2007) trans problems) talk to to the dealer today and they started the car and drove it , it works they took it for a short and lond drive and said it ran fine. But he recomended that the trans be serviced and new filters, wasn"t due till 100,000 as he told me but I said fine, well the retune call from the dealer was that they need to keep my car for a few more days due to dark black trans fluid amd metel in the pan. When i ask it this was happening to alot of grand prix , I was told it man made thing wear out. not at 62000. mile . my last honda ACCORD had 235,000 miles on it and never once had a trans problem, and the kid in the neighborhood still drive it. yeah.
    Not sure if the dark fluid is from being to hot or from what ever trans parts are coming apart.
    The only siler lining in this story so far it that it is still under the warrenty time and the repairs should be covered, but I worry that it will need transmission attention ever 50,000 mile or so if they dont upgrade the faulty parts. it all works out to time and lots of $$$$$. :surprise: Once this is repaired I think I will be car shopping and not because I want to and have sh*t load of money. Who does these friggin days .
    We will see what next week brings and I will keep you posted. Have a safe weekend everyone!!!!
  • Don't have the transmission rebuilt get new tyranny it cost more but worth it in the long run rebuilding an automatic transmission is not easy a rebuild will never last as long as the factory minted one and if you all with the 07 GXP TAPSHIFT. Are using it in assisted manual mode make sure you all get the shifts correct or you will tear up the transmission. My 07 GXP has about 107,000 no transmission problems knock on wood. Replace the transmission fluid more often it seems to work for me I flush it every 50,000 no matter what
  • motorcity6motorcity6 Posts: 427
    Sounds like trading time to me for the GXP is a misfit using too many 3.8 parts..IMHO...Owner of a 2006 GT w/SC engine showing now 58K miles, all Florida driving, not rodded from stoplights, however car is a real trip..3rd set of tires, 3 intermediate steering shafts, 5 batteries, and today, 2 engine mounts.. Still on original brakes, power seat out on drivers side...

    My only bad driving habit is high speed, and motor is fed nothing but premium gas, Shell..Car is not comfy, very noisy, and was only purchased because it was 1/2 price compared to original MSRP..showing 4300 miles 50 months ago..Bought from the local Caddy dealer..

    My problem is having owned 53 cars in my 78 yrs, so I have been blessed with many great rides and just bound to stumble across a headache, too many times at the well..

    Back to your GXP, 107k w/o a failure is a tribute to your driving habits and maintenance..
  • gmcustsvcgmcustsvc Posts: 4,077
    ptmillington,

    I apologize for the problems you are experiencing with your vehicle. Did you have any of the work done at a GM dealership?

    Thank you,
    Caron, GM Customer Service
  • romierome79romierome79 Posts: 3
    edited July 2011
    I would like to know if mine has any recalls too. I have a 2006 grand prix gxp and the transmission is skipping 2nd and goin to 3rd. I have also had mine hooked up to a testeer and it said i had muliple issues. I will give my vin..
  • gmcustsvcgmcustsvc Posts: 4,077
    romierome79,
    I will look into recall information for you if you could just email me your VIN. I look forward to working with you.
    Christina
    GM Customer Service
  • motorcity6motorcity6 Posts: 427
    GM customer service::Engine and Transmission mounts, both collapsed on my 2006 GPGT, never experienced any failure of engine mounts on my other 52 cars..

    I realize that 2006 is ancient technology, however I think it is still used on the current W body Chevy..Impala..

    The whole affair was fixed at a small shop run by ex-GM mechanics who knew exactly what was broken..Common problem I understand..Mileage is 59,453..

    Other maladies have been steering shafts replacements-3, batteries-5, sets of tires-3..Still running on original brakes.

    I imagine that the wheel bearings will be the next thing..and maybe a knuckle assy...
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