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Pontiac Grand Prix Transmission Problems

217 messages,  Last post on Nov 17, 2009 at 6:18 PM

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What is this discussion about? Pontiac Grand Prix, Transmission, Sedan

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#209 of 217 Re: NO OVERDRIVE [redclownn] by pohodar Jul 22, 2009 (5:13 pm)
Replying to: redclownn (Jul 22, 2009 12:28 pm) I have a GP GT 99 and my overdrive is also not working i am very interested in what you find out....I am taking my car to a pontiac place friday....im hoping its not gonna be too expensive....:o)))
#210 of 217 NO OVERDRIVE by redclownn Jul 23, 2009 (1:32 am)
I found this website that might help a lot of us that have the 4T65E transmission. I list a lot of problems people have listed on here.   4T65E Transmission Info..   Some things it lists are: Neutrals at stops, Shudders on take off Tach bounces up and down a few hundered rpm while cruising in lockup No 4th Gear and a few others.   Hope this helps a lot of us!
#211 of 217 EGR leaking hot air through EGR valves by pjsantospolo Jul 29, 2009 (10:28 am)
have a Pontiac GrandPrix 1995 SE V6 3.1 VIN M. The EGR is leaking exhaust air through EGR valves. I changed the EGR with 2 used one and got the same issue. I installed a new one and I got the same issue. This hot air is causing cables and vacuum lines to burn. I changed the EGR gasket too and is not leaking hot air at the gasket. I verified any burned cables and there are no cables burned.   I changed the vacuum lines that goes to MAP sensor, PCV, and intake air tube.   This occurs when I push the throttle up to 1500 - 2000 rpms. This issue is annoying. Please help. I am thinking to change the TPS and the MAP sensors because these sensors usually controls the EGR but I am not sure.
#212 of 217 Re: NO OVERDRIVE [pohodar] by pohodar Aug 01, 2009 (6:25 pm)
Replying to: pohodar (Jul 20, 2009 7:46 pm) just got my car fixed....it was the overdrive (or 4th gear) rod....at GM easy fix for 1300 dollars....!#$#%$% not very happy about that but works fine now...
#213 of 217 Re: 2001 Grand Prix GT won't shift into Park [bcarson1] by gp1998 Aug 31, 2009 (8:39 am)
Replying to: bcarson1 (Aug 07, 2007 5:50 am) Hello- I have the same issues with my GP - now progressed to failing in Drive, 3 and 2 last week and now this morning Drive and 3 acting like reverse and 2 working...and locks not working except manually...   Did you come to any solution? Thanks Replies to this message: pohodar (Oct 05, 2009 3:11 pm)
#214 of 217 Re: NO OVERDRIVE [redclownn] by eatemup Oct 05, 2009 (2:07 pm)
Replying to: redclownn (Jul 22, 2009 12:28 pm) what did they find out? (why wasn't it going to overdrive?)
#215 of 217 Re: 2001 Grand Prix GT won't shift into Park [gp1998] by pohodar Oct 05, 2009 (3:11 pm)
Replying to: gp1998 (Aug 31, 2009 8:39 am) I had a similar problem...come to find out my shift cable was the wrong one....so might wanna check out if your shift cable is connected properly.
#216 of 217 Re: 1997 grand prix se Transmission problems [lukas18733] by jeremyjolly Oct 11, 2009 (8:47 am)
Replying to: lukas18733 (Jul 13, 2009 4:42 am) did you ever figure out this problem? having the same problem with my 99 grand am 3800
#217 of 217 pontiac grand prix gt by liltonto Nov 17, 2009 (6:18 pm)
i have a 2000 grand prix gt with tranny problems when i shift it in to drive it wont move but if i shift from low range on threw to drive it will then move but if i was to suddenly stop and try to go aging it wont accelerate there fore i have to start the process back over once i get going its ok for the most part could this be caused from a software problem or the shift servo

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