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Next: Head Gasket Leak
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Joined: Aug 15, 2004
Posts: 74
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(Msg. 1) Posted: Tue Mar 15, 2005 11:28 pm
Post subject: 4T65E troubles
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I have a 2002 park ave (no ultra) with 24K miles. I am noticing more and more what appears to be tranny troubles. 1st, at times I notice a slip or jerking feeling when I hit the gas during a turn or after briefly taking my foot off the gas. It rarely does it but even my wife noticed so I know its happenning. I didn't even point it out to her.
2nd, I noticed what I call a surging or pulsing sensation. If I am accelerating slowly and hit a slight upgrade going around 25 or 30 mph and the tach is around 1500. I can see the tach fluctuate between maybe 1800 and 1500 rpm's and it feels like the car is jumping back and forth between gears. If I maintain the gas pressure it will keep doing it but if I give it a little more gas it will slowly come out of it.
I took it to the dealer who drove the car, smelt the fluid and checked for codes. He says everthing is normal, no codes. I then took him for a ride and sure enough, it rode perfect. He says nothing he can do since he doesn't see any problems.
I went to the library and found documents 901351 & 1453640 which seem close to my problem. I know better than to tell a mechanic his job but it won't mess up with him in the car. The warrenty runs out this June so I would like to get this fixed soon.
What do you all suggest I do? I'd hate to drive it slowly up and down lookout mountian just to try and burn up the tranny but I'd also hate to get stuck with the bill... |
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External
Since: Dec 08, 2003
Posts: 194
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(Msg. 2) Posted: Wed Mar 16, 2005 1:07 am
Post subject: Re: 4T65E troubles [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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Change the trans oil & filter and see if there is a difference.
Try going to another dealer and see what they say.
Harryface Ø¿Ø
1991 Pontiac Bonneville LE
300,459 miles
000,006 - Feb 4,1991
100,000 - Sept. 4, 1995
200,000 - June 19, 2001
1/4 Milllion - Jan 16, 2003
300,000 - March 3, 2005 |
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External
Since: Oct 14, 2004
Posts: 1
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(Msg. 3) Posted: Wed Mar 16, 2005 9:26 am
Post subject: Re: 4T65E troubles [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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My 4T65E was doing the same thing prior to "losing" overdrive completely. It
cost me a complete rebiuld at 125,000K costing $2600.00 Canadian Appears the
4th clutch hub assembly broke, and the Company that did the repair said it
was a common problem.
"Harry Face" wrote in message
Change the trans oil & filter and see if there is a difference.
Try going to another dealer and see what they say.
Harryface Ø¿Ø
1991 Pontiac Bonneville LE
300,459 miles
000,006 - Feb 4,1991
100,000 - Sept. 4, 1995
200,000 - June 19, 2001
1/4 Milllion - Jan 16, 2003
300,000 - March 3, 2005 >> Stay informed about: 4T65E troubles |
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External
Since: Jan 18, 2004
Posts: 7
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(Msg. 4) Posted: Wed Mar 16, 2005 7:40 pm
Post subject: Re: 4T65E troubles [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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I have a 98 Park Avenue that had a similar problem a few years back. The
dealer reflashed the tranny Prom and that straightened it out. You might try
that. I doubt the tranny is shot at such low mileage.
"LeBuick" wrote in message
>I have a 2002 park ave (no ultra) with 24K miles. I am noticing more
> and more what appears to be tranny troubles. 1st, at times I notice a
> slip or jerking feeling when I hit the gas during a turn or after
> briefly taking my foot off the gas. It rarely does it but even my wife
> noticed so I know its happenning. I didn’t even point it out to her.
>
> 2nd, I noticed what I call a surging or pulsing sensation. If I am
> accelerating slowly and hit a slight upgrade going around 25 or 30 mph
> and the tach is around 1500. I can see the tach fluctuate between
> maybe 1800 and 1500 rpm’s and it feels like the car is jumping back
> and forth between gears. If I maintain the gas pressure it will keep
> doing it but if I give it a little more gas it will slowly come out of
> it.
>
> I took it to the dealer who drove the car, smelt the fluid and checked
> for codes. He says everthing is normal, no codes. I then took him for
> a ride and sure enough, it rode perfect. He says nothing he can do
> since he doesn’t see any problems.
>
> I went to the library and found documents 901351 & 1453640 which seem
> close to my problem. I know better than to tell a mechanic his job but
> it won’t mess up with him in the car. The warrenty runs out this June
> so I would like to get this fixed soon.
>
> What do you all suggest I do? I’d hate to drive it slowly up and down
> lookout mountian just to try and burn up the tranny but I’d also hate
> to get stuck with the bill...
>
> --
> Posted using the <a rel="nofollow" style='text-decoration: none;' href="http://www.autoforumz.com" target="_blank">http://www.autoforumz.com</a> interface, at author's request
> Articles individually checked for conformance to usenet standards
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Joined: Mar 27, 2005
Posts: 1
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(Msg. 5) Posted: Sun Mar 27, 2005 5:02 pm
Post subject: Re: 4T65E troubles [Login to view extended thread Info.]
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Joined: Oct 20, 2005
Posts: 1
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(Msg. 6) Posted: Thu Oct 20, 2005 12:14 pm
Post subject: Re: 4T65E troubles [Login to view extended thread Info.]
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Know this is an old post, but I didn't see any reference to your PCS (pressure control solenoid). Even at your mileage, I would not be surprised if this component is responsible. Mine went out at around 36000 miles. The problem was a soft steel armature riding in a hard steel bearing... the armature gets a notch worn in it quite quickly and then the solenoid can't output the pressure it is supposed to. >> Stay informed about: 4T65E troubles |
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