2.7t AutoTrans. slips between 1st and 2nd sometimes
02-11-2004, 03:28 PM
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2.7t AutoTrans. slips between 1st and 2nd sometimes
I bought my 2000 2.7t A6 in December, 2003 (sorry, I cant afford new ones). It had only 27K miles when I bought it, now it has almost 30k miles (and I have not been rough on it). The car was a retiree's car in Florida so it sat in the garage a lot. The car looks brand new. Here is my trouble; when it is cold the auto-trans will slip between 1st and 2nd then it seems to be fine (doesnt always do it)..shifts very smooth from what I can tell. NOTE: this is not the shudder/jerk common problem...it almost seems the car is in neutral before 2nd gear finally grabs. I figure the bands in the trans. just need to be adjusted but hearing some of the horror stories about auto-trans failures and the price to repair, I am now paranoid. What do you experts recommend??
Another dumb question: how much is it roughly to swap the auto-trans with a manual 6-speed ?? (part of me thinks I should have bought a 6-speed from the start).
Thanks for your input!
q-ship-rocks
Another dumb question: how much is it roughly to swap the auto-trans with a manual 6-speed ?? (part of me thinks I should have bought a 6-speed from the start).
Thanks for your input!
q-ship-rocks
02-11-2004, 06:56 PM
#3
You cannot adjust the bands. Solonoid or valve body may be causing a problem.
Swap out tranny fluid (search the forum for plenty of details) first.
Replacing Tip with manual tranny is around $10K. Not only do you need the parts, but you need to modify a lot of other parts and electrical/computer stuff.
Replacing Tip with manual tranny is around $10K. Not only do you need the parts, but you need to modify a lot of other parts and electrical/computer stuff.
02-11-2004, 07:12 PM
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You can spend 4600 and get Level10 to build up the tranny
Some S4 people have done it. Their autos hold up to 800lbs torque now.
You do not have a certified or extended warranty??
You do not have a certified or extended warranty??
02-12-2004, 05:58 AM
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Re: You can spend 4600 and get Level10 to build up the tranny
Ming,
No warranty ...tried to get an extended but companies don't cover the 2.7t. So you think a "re-build" is the only option ?? Wow, I would have thought the Audi Tip-tronic was stouter than that.
Should have bought the manual... <sigh>
thanks for your help.
No warranty ...tried to get an extended but companies don't cover the 2.7t. So you think a "re-build" is the only option ?? Wow, I would have thought the Audi Tip-tronic was stouter than that.
Should have bought the manual... <sigh>
thanks for your help.
02-12-2004, 09:26 AM
#7
If you are chipped, there is a chance that a lot of hard use could cause a failure.
ZF indicates that the torque limits are just over 300ft lbs.
However, I would do a fluid swap first. There are plenty of documented cases here and on the A8 forum, where that has cleared up most if not all issues.
"4.3 Increase of torque capacity
As well as weight reduction on certain transmissions, it is important to increase torque capacity to enable large series transmissions to be replaced by a smaller series. Decisive in this direction is knowledge about customer related duty cycles. Extensive measurements on public roads were evaluated. These showed that current traffic conditions do not allow long periods of full load running, enabling the test times of the high torque range to be significantly reduced. In comparison to the first layout design the 5 HP 19 and 5 HP 24 endures a 17% respectively 25% higher torque. "<ul><li><a href="http://www.autoindustry.co.uk/features/articles/article-TOMATICTANTIARFC?s=eosx0o7emy7trbb">Click for full article</a></li></ul>
However, I would do a fluid swap first. There are plenty of documented cases here and on the A8 forum, where that has cleared up most if not all issues.
"4.3 Increase of torque capacity
As well as weight reduction on certain transmissions, it is important to increase torque capacity to enable large series transmissions to be replaced by a smaller series. Decisive in this direction is knowledge about customer related duty cycles. Extensive measurements on public roads were evaluated. These showed that current traffic conditions do not allow long periods of full load running, enabling the test times of the high torque range to be significantly reduced. In comparison to the first layout design the 5 HP 19 and 5 HP 24 endures a 17% respectively 25% higher torque. "<ul><li><a href="http://www.autoindustry.co.uk/features/articles/article-TOMATICTANTIARFC?s=eosx0o7emy7trbb">Click for full article</a></li></ul>
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