Tranny Question - 5spd Auto models
05-09-2009, 08:55 AM
#1
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Tranny Question - 5spd Auto models
Hey guys, I am new to your thread. Appreciate any feedback on the following questions! I am looking at purchasing a 2006 TL 5spd auto at a local dealer. I owned a CL Type S back in 2002 that had a few issues with the 5spd auto tranny. Not only did they have mechanical problems but the car had a very tall 4th and 5th gears so when you were on the gas running each gear to the redline the car ran great until it made the 3rd - 4th gear change were it actually dropped out of the power band because of that tall gear. Acura's answer to the question was fuel economy. I am trying to determine if this was changed for the 2006 models? I have noticed on my MDX that had simular issues that Acura changed the tranny for the 2006 model giving it closer gear ratios and fixing the mechanical issues of the earlier models. I called the dealer and the parts/service departments are confirming that Acura made changes to the 2006 TL tranny. Any help on this is appreciated. The car i am looking at has a few miles left on the power train warranty and i do not want to get stuck with a big bill in a year or so.
Thanks for the info.
Thanks for the info.
05-09-2009, 09:44 AM
#2
Never ran the car to redline in each gear, but the final drive ratio of 4.43 and 5th gear of .47 seem to be the same between the two. Although the '06 has a few more horses, I guess if it did it in the '02, it will do it in the '06.
Other than that, only a very small percentage have had transmission problems, and from what I've read the '06 trans was an improvement over the '04 which could be called a carry-over variety from the previous years.
Other than that, only a very small percentage have had transmission problems, and from what I've read the '06 trans was an improvement over the '04 which could be called a carry-over variety from the previous years.
05-10-2009, 04:51 AM
#3
The 04-08 TLs still have the same tall 4th and 5th gears. The first 3 gears are really close together to allow for quick accelleration and the 4th and 5th gears allow for fuel economy. want to see ur gas milage suck? leave it in 4th
05-10-2009, 01:05 PM
#5
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the tranny was slightly changed for better oiling for the gears in mid 05, just for honda to stay on the safe side with the transmissions. The 06 TL didn't get any more power, in fact it lost power due to the ECU revision that incorporated a torque limiting system to help reduce torque steer in the first two gears.
By the time you reach 4th gear you will be at around 110 MPH, if you find that dropping out of the powerband here is a problem, you shouldn't be driving. Be smart, don't endanger yourself and others.
By the time you reach 4th gear you will be at around 110 MPH, if you find that dropping out of the powerband here is a problem, you shouldn't be driving. Be smart, don't endanger yourself and others.
05-10-2009, 01:15 PM
#6
Touqe Steer my azz, it was done also to the 7th gen AV6 because the 1st and 2nd gear clutch packs were falling apart, so rather than fix the clutch packs they changed the lockup parameters.
05-10-2009, 04:49 PM
#7
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05-10-2009, 05:15 PM
#8
Yeah, I have run into a few 7th gen AV6s with a new ECU flash and the TC lockup and shifting was much slower than on my 03 without any ECU reflashes. Also I have blown 2 AT trannies apart with my J35 swap in my car, I pulled one apart and all of the friction discs were cracked. I a few non-modded tranny failures the friction material was severly worn on both 1st and 2nd gear causing the valves and contol solinoids to get caked full of the particles causing shifting failures (slow/hard shifting or even complete failure of the gear to engauge).
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