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Pontiac Sunfire Transmission Problems

16 messages,  Last post on Sep 02, 2009 at 6:48 PM

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What is this discussion about? Pontiac Sunfire, Transmission, Coupe

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#10 of 16 5-Speed rev'ing after shift by slackerman Apr 23, 2008 (5:32 pm)
My 1996 Pontiac Sunfire (2.4L, 5-Speed manual, 127,000 miles) has developed what feels like a slipping clutch, but is not. After driving the car 10 miles, shutting it off for 20 minutes, and then starting out again, I can shift from 1st to 2nd, or 2nd to 3rd, and the engine will rev as if it is in neutral before catching and slowly accelerating. Anyone else have this problem? I've had a trustworthy garage check the clutch without result. Could this be some sensor or an electrical issue? Any ideas? I love this car and don't want to give it up! Replies to this message: slackerman (Feb 17, 2009 4:26 pm)
#11 of 16 by msokol87 Oct 22, 2008 (1:31 pm)
I had to replace the transmission in my 2000 sunfire coupe not shortly after I purchased it at the beginning of this year. However, not too long after it was supposedly "fixed", I noticed a grinding between 1000-2000 RPM, between 35 to 40 MPH. This has been going on since May. The car never had any pick-up and go, but this all changed significantly when the transmission was fixed. Nevertheless, I still feel and hear the grinding, in spite of the fact that everyone I've asked to drive/simply be a passenger and listen has not felt/heard anything. One of my previous cars died from transmission problems so I do know what I'm talking about. The question is this: what part could it be that needs fixed? I only experience this one problem. Has anyone else out there got the same grinding in that gear? Replies to this message: Too2fast4u (Dec 19, 2008 2:37 pm)
#12 of 16 Re: [msokol87] by Too2fast4u Dec 19, 2008 (2:37 pm)
Replying to: msokol87 (Oct 22, 2008 1:31 pm) i guess where talking about an auto tranny here. if it was replaced and started grinding , i would take it back to where it was fixed , should be under some type of warrenty. The pick up and go sounds like a torque converter prob, but could also be a bad transmission, if this is a manual tranny i would say you have some ring gear problems which will just get worse over time..
#13 of 16 Re: 5-Speed rev'ing after shift [slackerman] by slackerman Feb 17, 2009 (4:26 pm)
Replying to: slackerman (Apr 23, 2008 5:32 pm) The problem was the ignition coil.
#14 of 16 transmission switch by corey96 Apr 05, 2009 (12:10 pm)
i have a 96 sunfire gt and it has a automatic transmission and i was planning to switch it to a 5-speed would it b cheaper and/ or eassier to buy a whole new transmission or take one outta a old car?
#15 of 16 transmission problems by shanej07 Aug 11, 2009 (5:52 pm)
My 2001 pontiac sunfire will not shift into overdrive. The previous owners replaced the transmission, and it still will not shift into overdrive. It tops out around 50 mph at 4k-5k rpm. If anyone can help me diagnose this problem i would greatly appreciate it.
#16 of 16 '99 sunfire by bwoch75 Sep 02, 2009 (6:48 pm)
So my '99 Sunfire was leaking tranny fluid and coolant. We checked to see if I blew a head gasket but there was no coolant in the oil. We changed the radiator and now my check engine light is on and if shifts really hard. There is also tranny #2 in the car. Anyone have any advice on what I should do/change??

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