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c6 08 auto shift problem

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Old Nov 30, 2010 | 08:47 PM
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Default c6 08 auto shift problem

having trouble 1 to 2 shift if i drive like granma shifts fine . if i go 1/4 throttle or more goes up to around 5500 rpm wont shift have to let off like in old pickup to get it to shift. any body have this problem? thanks
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Old Dec 1, 2010 | 09:08 PM
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Originally Posted by smoothbore
Is the 2-3 3-4 4-5 5-6 working OK ? If so then it could have a leaking sealing ring. How many miles on the car? If it is still under warrentee Take it to the dealer and they can scan the program in the TCM.
thanks dealer said they will warrenty ran out 8/2010 16000 miles
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Old Dec 1, 2010 | 09:13 PM
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Is this not covered in the 100,000 mile powertrain warranty?
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Old Dec 1, 2010 | 09:16 PM
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Originally Posted by blueyeszr1
Is this not covered in the 100,000 mile powertrain warranty?
Absolutely..it is an internally lubricated part of the trans....5 year/100,000 miles.
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Old Dec 1, 2010 | 09:31 PM
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Originally Posted by tgcig
having trouble 1 to 2 shift if i drive like granma shifts fine . if i go 1/4 throttle or more goes up to around 5500 rpm wont shift have to let off like in old pickup to get it to shift. any body have this problem? thanks
My '08 has 36k on it and it was covered, picking it up from the dealer after lunch tomorrow after having both seals replaced.
Good luck!
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Old Dec 1, 2010 | 10:14 PM
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Originally Posted by PrimeTime327
My '08 has 36k on it and it was covered, picking it up from the dealer after lunch tomorrow after having both seals replaced.
Good luck!
cool thanks again i drive my ride every day and i take off pretty heavy dont like to let off so it will shift sold my c5 with 105000 miles was still a great hot rod
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Old Dec 1, 2010 | 10:24 PM
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I will let you know how it turns out.
Gary
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Old Dec 2, 2010 | 07:46 AM
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FWIW, it could be no problem other than that's the way it is supposed to work. If the tires are slipping, traction control will not allow the A6 to upshift just making things worse. When the tires are already slipping and the traction control is already cutting back on power to keep the tires from going up in smoke, the last thing you want to do is upshift adding a shock load to the tires. This is most noticeable is a turn.

Try turning the traction control and active handling off and see what happens. But don't be surprised if you end up in a ditch.
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Old Dec 2, 2010 | 09:46 PM
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Originally Posted by FortMorganAl
FWIW, it could be no problem other than that's the way it is supposed to work. If the tires are slipping, traction control will not allow the A6 to upshift just making things worse. When the tires are already slipping and the traction control is already cutting back on power to keep the tires from going up in smoke, the last thing you want to do is upshift adding a shock load to the tires. This is most noticeable is a turn.

Try turning the traction control and active handling off and see what happens. But don't be surprised if you end up in a ditch.
ill try that but it all so does not shift up using the paddles or only 1/3 thottle. i have been driving differant ways to see what it does thanks for the info tim
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Old Dec 2, 2010 | 10:03 PM
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Originally Posted by PrimeTime327
I will let you know how it turns out.
Gary
Hey!
Get the TSB work done to your Vette, it absolutely fixed my shift problem (for now..lol) as well as made my paddles work smoother!
Good luck!
Gary
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Old Dec 3, 2010 | 08:02 PM
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A buddy of mine told me today that the car has to learn how you drive it, which could be at least part of the reason you're having this problem - has to figure out you're not Granma.
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Old Dec 4, 2010 | 07:24 AM
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Originally Posted by PrimeTime327
Hey!
Get the TSB work done to your Vette, it absolutely fixed my shift problem (for now..lol) as well as made my paddles work smoother!
Good luck!
Gary
thanks gary do u happen 2 know the tsb number im goin to the dealer tuesday thanks
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Old Dec 4, 2010 | 04:47 PM
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Agreed, do the TSB. I cannot remember the number but it is on here somewhere...4329 maybe?

Van Chevrolet in Scottsdale did mine and it made a huge difference, I love the car again!
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Old Dec 8, 2010 | 08:54 PM
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Originally Posted by sam90lx
Agreed, do the TSB. I cannot remember the number but it is on here somewhere...4329 maybe?

Van Chevrolet in Scottsdale did mine and it made a huge difference, I love the car again!
hi sam the tsb you had done was the 2 seals ?
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Old Dec 8, 2010 | 10:58 PM
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Not sure how many but I think it was all of them.
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Old Dec 8, 2010 | 11:10 PM
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Originally Posted by tgcig
thanks gary do u happen 2 know the tsb number im goin to the dealer tuesday thanks
Yep, it is PIP-4395
While they are in there have TSB #08-07-30-021 performed on it also. 70140 "repair backed out terminal in transmission" or starting issues will start popping up and even lock you in the car, trust me!..lol
Mine goes back to the dealer in the morning for that TSB.
Have a great week all!
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Old Dec 11, 2010 | 10:53 PM
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Originally Posted by PrimeTime327
Yep, it is PIP-4395
While they are in there have TSB #08-07-30-021 performed on it also. 70140 "repair backed out terminal in transmission" or starting issues will start popping up and even lock you in the car, trust me!..lol
Mine goes back to the dealer in the morning for that TSB.
Have a great week all!
thanks guys
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Old Jan 10, 2011 | 10:14 PM
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No luck at dealer . thought i had them understanding problem. need more info. any help would be great. wont shift out of first! thanks Tim
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Old Jan 10, 2011 | 10:27 PM
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Originally Posted by tgcig
No luck at dealer . thought i had them understanding problem. need more info. any help would be great. wont shift out of first! thanks Tim
Check you PM...
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Old Jan 10, 2011 | 10:33 PM
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There are several seals in the transmission that get replaced under PIP 4395. It fixes problems with harsh or flaring shifts when cold in the lower gears.

PIP 4395
The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in this PI.

Condition/Concern:
Some customers may comment on a flare or harsh 2-3 shift.

Recommendation/Instructions:
This condition may be caused by leaking 1-2-3-4 and 3-5-R clutch fluid seal rings (230). The following conditions are indications that the fluid seal rings may be leaking:

• Delayed/extended or delayed with harsh feel initial Park to Drive and/or Reverse to Drive shifts, that are more likely to occur when the transmission temperature is below approximately 40 degree C (104 degree F).


• Harsh or flaring 2-3 shifts that are more likely to occur when the transmission fluid temperature is in the approximately 0 degree C (32 degree F) to 40 degree C (104 degree F) temperature range, but can be present at any temperature.


• Harsh 2-3 shifts that are more likely to occur at less than 50% tp.


Vehicles built in the January through August, 2007 time frame are more likely to have leaking fluid seal rings

Important: When inspecting the 1-2-3-4 and 3-5-R clutch fluid seal rings (230) there probably will not be visible signs that the seal rings are damaged.

If any of the conditions above describe the flare/harsh 2-3 shift condition replace the 1-2-3-4 and 3-5-R clutch fluid seal rings (230), DO NOT replace the valve body or
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