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#1
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transmission problem
I just bought a 1990 chrysler new yorker,fifth avenue. it will go into
the first gears but will not go into overdrive. was hooked into a computor and drove down the road. all codes were screwed up and the transmission place said it probaly had been worked on before. They said their best guess was everything from a celinoid module on the transmission or a transmission computor. or a cvi whatever that is. When you put this car into reverse it takes a few seconds to go into gear.this morning it went through all the gears but then it acted like it was slipping into overdrive. has anyone ever experienced this. a new transmission is 1300.00 !! more than i accually paid for the car. the guy i bought it from said it was just a 30.00 peice that was bad.If you could email me and and tell me your opinion i would appreciate it my email is Thanks ricky |
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#3
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On Wed, 13 Oct 2004 21:40:03 -0400, (Ricky) wrote:
>I just bought a 1990 chrysler new yorker,fifth avenue. it will go into >the first gears but will not go into overdrive. was hooked into a >computor and drove down the road. all codes were screwed up and the >transmission place said it probaly had been worked on before. They said >their best guess was everything from a celinoid module on the >transmission or a transmission computor. or a cvi whatever that is. When >you put this car into reverse it takes a few seconds to go into >gear.this morning it went through all the gears but then it acted like >it was slipping into overdrive. has anyone ever experienced this. a new >transmission is 1300.00 !! more than i accually paid for the car. the >guy i bought it from said it was just a 30.00 peice that was bad.If you >could email me and and tell me your opinion i would appreciate it my >email is Thanks ricky Well the codes shouldn't be screwed up. I would try again with another trans place and see if you can get a list of the codes. Steve B. |
#4
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Ricky wrote:
> I just bought a 1990 chrysler new yorker,fifth avenue. it will go into > the first gears but will not go into overdrive. was hooked into a > computor and drove down the road. all codes were screwed up and the > transmission place said it probaly had been worked on before. They said > their best guess was everything from a celinoid module on the > transmission or a transmission computor. or a cvi whatever that is. When > you put this car into reverse it takes a few seconds to go into > gear.this morning it went through all the gears but then it acted like > it was slipping into overdrive. has anyone ever experienced this. a new > transmission is 1300.00 !! more than i accually paid for the car. the > guy i bought it from said it was just a 30.00 peice that was bad.If you > could email me and and tell me your opinion i would appreciate it my > email is Thanks ricky > FYI, CVI = cup volume index. It's a parameter in the TCM firmware that quantifies how much fluid it takes to throw an actuator (solenoid) in the transmssion for complete clutch engagement. In the calibration routine, the computer measures that volume and stores that for use in its algorithms so that it can properly control the actuation for smooth shifting. The TCM can periodically be re-calibrated to correct for changes (fluid properties, minor leakages, etc.). (I've pieced together my understanding of the above from things I've read, so if it's not completely accurate, someone feel free to chime in.) Looks like what they're saying is that either the solenoid module is bad or the CVI's do not accurately characterize its operation, so the clutch lock is not occuring like it's supposed to. Bill Putney (To reply by e-mail, replace the last letter of the alphabet in my adddress with the letter 'x') ----== Posted via Newsfeeds.Com - Unlimited-Uncensored-Secure Usenet News==---- http://www.newsfeeds.com The #1 Newsgroup Service in the World! >100,000 Newsgroups ---= East/West-Coast Server Farms - Total Privacy via Encryption =--- |
#5
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Ricky wrote:
> I just bought a 1990 chrysler new yorker,fifth avenue. it will go into > the first gears but will not go into overdrive. was hooked into a > computor and drove down the road. all codes were screwed up and the > transmission place said it probaly had been worked on before. They said > their best guess was everything from a celinoid module on the > transmission or a transmission computor. or a cvi whatever that is. When > you put this car into reverse it takes a few seconds to go into > gear.this morning it went through all the gears but then it acted like > it was slipping into overdrive. has anyone ever experienced this. a new > transmission is 1300.00 !! more than i accually paid for the car. the > guy i bought it from said it was just a 30.00 peice that was bad.If you > could email me and and tell me your opinion i would appreciate it my > email is Thanks ricky > FYI, CVI = cup volume index. It's a parameter in the TCM firmware that quantifies how much fluid it takes to throw an actuator (solenoid) in the transmssion for complete clutch engagement. In the calibration routine, the computer measures that volume and stores that for use in its algorithms so that it can properly control the actuation for smooth shifting. The TCM can periodically be re-calibrated to correct for changes (fluid properties, minor leakages, etc.). (I've pieced together my understanding of the above from things I've read, so if it's not completely accurate, someone feel free to chime in.) Looks like what they're saying is that either the solenoid module is bad or the CVI's do not accurately characterize its operation, so the clutch lock is not occuring like it's supposed to. Bill Putney (To reply by e-mail, replace the last letter of the alphabet in my adddress with the letter 'x') ----== Posted via Newsfeeds.Com - Unlimited-Uncensored-Secure Usenet News==---- http://www.newsfeeds.com The #1 Newsgroup Service in the World! >100,000 Newsgroups ---= East/West-Coast Server Farms - Total Privacy via Encryption =--- |
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