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Toyota Avalon 2005+ Transmission Questions

374 messages, Last post on Apr 21, 2009 at 6:25 AM
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Replying to: dickbayer (Jun 26, 2007 3:57 am) Recently became aware of the TSB and called Toyo in CA to find out why I was not contacted about the "fix" . After rambling on that this was not a recall, they urged me to bring back to dealer for another "look". I dropped it off at the dealer informing him of the TSB and my discussion with Toyo central. Service tells me there is no guarantee that the TSB will work. When I questioned this he said "other work" may need to be done. Phone call 1 at 1 day post drop off: "TSB didn't work, need to replace electronic valve body in transmission" "This involves dropping the pan, replacing the valve and running diagnostic". "We need car for another day". Phone call 2 2 days post drop off: "Replacement of the electronic valve didn't work, may need to replace transmission". Phone call 3 to Toyo central: "We need to open new complaint file" I refuse, stating that it is the same problem as before which was never fixed. Phone call 4 from dealer: "Transmission needs to be replaced...sorry" Here it is in a nutshell: If it smells like, tastes like and feels like crap...then it's crap. So to all of you who have placed wooden blocks under the accelrator or hypothesized about the impact of Newtonian physics on the transmission performance...good luck. I now have my $34,000 car with 21k miles undergoing a transmision transplant, performed by 19 year-old DeVry Tech graduates. I'll be sure to ask for the can of spare nuts and bolts when I pick it up. I only ask that the car run for another 11 miles, that's how far it is to the nearest BMW dealer. Good luck. |
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Well after 21/2 years I finally have my 2005 Avalon shifting ok. I mentioned to my dealer about the TSB that was mentioned here. They installed the changes (on the 2005 it also needed new exhaust manifold). The car has is finally not down shifting and other funny shifting quirks. They will not address this issue unless you complain about it.
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Replying to: ski1003 (Jul 09, 2007 3:54 pm) glad I did this...now I can't wait to get back home and give it a go myself. btw, mine is a 2006 xls.
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Replying to: niteone (Jul 11, 2007 10:22 am) Anyone else who has had it done, please continue reporting on your results. A similar TSB hasn't been issued by Toyota Canada so far. Has anyone tried to have this fix done in Canada based on the USA TSB? |
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I took my 05 Limited in for the Transmission Fix per the TSB. The only issue I really had w/my car is the rolling stop acceleration issue. It would not happen all the time but it was happening none the less. My dealer told me the first process for the TSB is to reflash the ECM to see if this takes care of the problem. I asked what about the Oxygen sensors, exhaust manifolds, etc.......he stated that comes later if the reflashing doesn't work. I got my car back the same day and now it's totally messed up. It shifts very hard from 2nd to 3rd and 3rd to 4th. The RPMs will jump 1,000 before there is a hard shift. When attempting to pass cars the car refused to downshift instantly. The RPMs went to about 5,000 and then there was a hard downshift. None of these problems occurred before I had my reflash. I took the car back and they said I needed to drive it for a 100 miles before they would take my word that it was shifting erractic. I took it back to them and long story short, they will open a case tomorrow and will contact Toyota to see what had happened and where to proceed. The tech stated he had never seen a vehicle act like mine when it needed to shift. If your car shifts smooth already and you have the lag when coming to stops and such I don't know if I'd take it in quite yet. The tech stated that Toyota will be coming out in about a month for that fix. I'll keep you all informed.
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Replying to: 4439 (Jul 26, 2007 3:20 pm) |
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After reading the various posts about the TSB EG029-07 transmission fix, I took my '07 Avalon to my dealer and inquired about installing the update. The Lead Technician said he could download the update immediately and it would take about 15 minutes max. I actually watched him hook up the computer and run the program. He advised me to run thru a low throttle start, medium throttle start, and then a full throttle start as I left the dealership to let the trans. adjust to the new program. The update definitely fixed the quirky low speed shifting that I was having. Apparently there are other issues with '05 models, but the update to my '07 was quick ,simple, and worked perfectly. |
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Had it done about a month ago at the local dealer where we bought the car. Huge improvement. No more initial transmission "slip" during rolling acceleration and the shift themselves are MUCH smoother. Highly recommended. My thanks to those on this forum who made us all aware of the TSBs as soon as they came out and even provided links to them. My dealer, which is a fairly savvy group of individuals, did not even know of the TSB's release until I told him, and in fact I had to give him a copy to make sure he could get it done. Very much appreciated. |
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