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Sedans Toyota Avalon Toyota Avalon 2005-
14780 messages, Last post on Dec 02, 2009 at 2:06 PM
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I recently took my first road trip with my 2005 Avalon Limited and experienced the following and wanted to know if this is normal. Cruising on Interstate 5 at 70-75MPH in Drive. Cresting a hill as I started on the decline I let off the gas and the tachometer dropped down to around idle speed indicating that the transmission was free wheeling. When I gently touched the brake to slow down the tachometer jump back up showing the car had shifted back into 5th gear. Letting off the break and the transmission stayed in 5th gear and did no return to free wheeling mode. After this happened several times I tried shifting the transmission into S-5. As I crested the next hill and started on the decline the tachometer dropped down to around idle speed indicating that the transmission was free wheeling. When I gently touched the break to slow down the tachometer did not move indicating that the transmission stayed in free wheeling mode until I stepped on the gas again and then it shifted back into 5th gear. Is this normal and how the transmission is supposed to operate? Shifting from free wheeling into 5th gear when touching the break with the transmission in D but remaining in free wheeling mode when touching the break in S-5? Thank you, Doug
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Replying to: douglas1 (Aug 08, 2006 3:52 pm) But likely no one else outside of NipponDenso software development. |
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Have been following the Camry sites for continuing updates on the 5 and 6 speed trannies. Complaints, much like what have been appearing here, on both. There is now a TSB on the 6 speed regarding an upshift RPM spike. Involves an internal valve replacement. What is somewhat interesting reading is the reprogramming/relearning steps required as part of the repair procedures - TSB #TC008-06 dated August 2. This in addition to some snap ring problems on earlier Camry 6 speeds. The '07 is still with the 'old' 5 speed (apparently) - which may be fortunate for those of you that have one coming in.
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Replying to: captain2 (Aug 09, 2006 8:43 am)
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Replying to: ctl (Aug 09, 2006 2:43 pm) Detroit has a bunch of engines that are, by almost any definition, technologically inferior and inefficient - relative to HP,(3.8 GM, DT Ford, for example) yet they are about as reliable as anything out there. In these cases, old must be better? IMO, the assumption that new=good is wrong more often than it is right. The point of the post, though, is to get those who has some transmission issues to read those procedures outlined in the TSB - it may help in some way with reprogramming/reteaching these imperfect control systems. Another case where new does not equal better - don't ever remember anybody complaining about the 'old' 4 speeds. |
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Replying to: captain2 (Aug 10, 2006 5:17 am)
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