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Sedans Pontiac Grand Prix Pontiac Grand Prix Transmission Problems
217 messages, Last post on Nov 17, 2009 at 6:18 PM
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Replying to: shawn888 (Apr 03, 2008 6:20 am) That doesn't sound good.  My transmission oil has never been black. It is a red-ish color. How long has your car been acting up? The service manager at my local dealership said the longer I let it go, the more likely dirt could get in there because the transmission wasn't engaging properly. So, maybe this problem caused it to get black. Also, my car supposedly had the "latest" version of the software on it too, but when they finally called Detroit on my car's 12th trip to the garage, someone told the tech he would put a new program on my car that hadn't been released yet. It was my understanding that it was still a test program and probably would be released, but maybe they never have released it. Other people on here have had the same response you got, but their car still messes up. What did they say about the oil?
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Replying to: montana_cat (Apr 03, 2008 5:23 pm)  But like you say,after maybe so long that is doing this,it's getting to the point that it is scruing up my transmission.I have been noticing it for a while now.But now the dealer ship thinks I should put a new one in.  But I am not giving up yet,,I will try to see a Transmission specialist,to see what he can tell me. I am all nervest now,,I dont want to change transmission now.to much$$$$$$$ Shawn
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Replying to: shawn888 (Apr 03, 2008 6:28 pm) When I tell them what I want to do,,,they look at me like I'm 'n idiot.  What can I do to tell the dealer ship that could be my problem?I am runing out of ideas. Thanks Shawn |
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Replying to: teasley12 (May 01, 2006 12:17 pm) |
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Hello, i've been reading posts about similar problems with a 99 grand prix but cant run across what seemed to be the actual fix. So, heres the problem. Typicaly in a hilly area, going anywhere from 35-55 MPH, the cars seems to cut out, lose power, buck, or chug. Kinda hard to explain the real feeling. Its not shaking or ratteling. Turning the car of and it sitting for a while does not change the actions. It started off gradualy, and now it seems to be continual. Shops & dealers say all kinds of different things from the computer to replacing the transmission. Your input would be appreciated. Thanks. |
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I have a 2000 GP Se with 144k miles..for almost 2 months now..when i push the gas and try to accelerate..it takes as if it were towing a ton of bricks. I had it checked and there was an error code indicating it was the 1-2 gear sensor. Had that changed along with fluid and filter..i really dont notice a big difference with this change. actually it works fine until the trac/off light comes on and it seems to go back to that state of hesitation. can i get some help and see what else i can do to get this fixed.
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Replying to: vitram79 (Apr 25, 2008 11:14 am) |
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| i have a 99 grand prix and feels like my trans went out but not sure . hoping someone else has had this problem. i started driving out the gate and everything was ok . i hit the brakes at the light at when i felt the car wasnt going anywhere. i pulled into a parking lot and it wouldnt go. but when i turned it off and back on it moved for half a block and it went out again. i turned it off and on again and the same thing happened. has this happened to anybody else? if anyone can help i sure would appreciate it. | |
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Hi: I have a Grand Prix SE 2005 3.1 V6 VIN M with 85,000 miles. This morning I started the car after 2 days without using it. It passed about 1 minute after I went out from my home and made a stop to open a gate. After the gate opened I pressed the pedal slightly to continue but I was stocked in the same place. I saw that the transmission was in "D". I pressed again and it felts like wanted to move but nothing. I returned the transmission to "N" and then to "D" and the pedal and then I was on the road again. I has to make another stop a mile after and I got the same issue. I checked the trans fluid level and it is OK. The reverse is OK. A week ago the car started to stall when I idle the car and also saw that the lights are dimming when I press the brake pedal or are bright when I pressed the gas pedal. I am not sure if this "seems to electrical/charging problem" is related to the transmission issue. Please help! 
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Replying to: shawn888 (Apr 03, 2008 6:28 pm) before finally engaging to lower or higher gear. All indications pointed to a tranny problem. I took it to a tranny shop here in Toronto for a tranny service (to replace the fluid) something I had not done before and the fluid indeed was black. I drove the car some more hoping this was the problem but no luck. Took it to another tranny shop and they connected the scanner but no codes. Long story short I took it to a GM dealership and with the scanner connected the mechanic and I took for a drive in a hilly area until the symptom occurred. We went to the shop and put it on the analyzer - the problem was the iginition - bad sparklpug cables shorting out the spark to the engine - and a couple of plugs that had been "fried". Tranny was and is still running fine. Sometimes the symptom will have you looking in the wrong place. I thought I'd share this with you. Good luck with your car. |
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