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Chevrolet Geo Prizm Transmission

9 messages,  Last post on Nov 03, 2009 at 6:30 PM

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#1 of 9 1990 Geo Prizm Transmission Question by javalz Oct 23, 2006 (1:50 pm)
My 1990 Geo Prizm with 158,000 miles suddenly started making an clunk-clunk-clunking noise only when it is in gear, running down the road. It did this after a momentary loss of power during which time it felt like it was in neutral. At first, when I accelerated, the engine revved, but no geared response, then it came back, but with the clunking noise. This noise does not occur during idle, only when running down the road in gear. I have had no other transmission problems. I did have th eCV axle joints replaced about 2 months before this happened. Also, maybe related, maybe not, I checked the fluids the other day and found some oil in my radiator reservoir. No water in oil. Car has never overheated since I have had it (2 years). Any ideas about clunking? Not sure if I want to fix it or not. Thanks. Replies to this message: trcarrera (Jan 16, 2007 10:49 am)
#2 of 9 Re: 1990 Geo Prizm Transmission Question [javalz] by trcarrera Jan 16, 2007 (10:49 am)
Replying to: javalz (Oct 23, 2006 1:50 pm) My 97 prizm doesnt make the same noise but does the "accelerated, the engine revved, but no geared response". Does any one know if a 94 tercel tranny will work in the prizm.   Thanks,    Theron
#3 of 9 Trans question by dvdlgh Nov 15, 2007 (6:18 pm)
I had the same noises/loss of power. My trans was kaput. When I bought the car (used, 110k) the trans fluid was brown and the trans had bit of whine to it. I had the trans flushed and got another 20k out of it. I had a used trans put in the car. There are alot of Prizm/Corolla trans out there. Mine has the 3 speed auto. I paid $1090. This included all new seals, filter and fluid.
#4 of 9 clutch problem by croakt Jan 12, 2008 (9:41 am)
#5 of 9 clutch problem by croakt Jan 12, 2008 (9:41 am)
My 1994 Prizm (93k miles) has been hard to shift, finally the clutch completely stopped releasing.The car is now disabled. From what I've read the problem could be with any of several components of the clutch (master cylinder,leak in hose or slave cylinder,the clutch itself,etc.    Any ideas out there?               THANKS
#7 of 9 geo trans by pauld1234 Jul 05, 2008 (9:44 am)
97 geo prism loud clunk heard now trans just grinds when put into gear pulled pan and filter found dime size bits of magent Replies to this message: wolfdragon (Nov 03, 2009 6:30 pm)
#8 of 9 '97 GEO Prism, idle problem by newyorkred Aug 19, 2008 (8:05 am)
After my GEO prism warms up the engine will stall and die when decelerating and braking, but never while driving. It has been misdiagnosed by two mechanics, one said the fuel injectors need cleaning and did that and the problem continues. Another said it's the distributor but that was tested and that also failed to eliminate the problem. At this point I'm at my wits end. I hope there a mechanical or computer genius out there that can help.
#9 of 9 Re: geo trans [pauld1234] by wolfdragon Nov 03, 2009 (6:30 pm)
Replying to: pauld1234 (Jul 05, 2008 9:44 am) I just had the same clunk on my '92 prism. I was pulling away from a stop light and it didn't want to shift out of low 1 when I got to my turn it made a big clunk and it decided to shit. but now if I leave it in drive at a stop when I take off it is still in high gear. and now it's leaking trans fluid.

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