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Comments
I drove back home and the hesitation problem in first and 2nd gear is gone. the cruise control was smooth.. would be trying more on that during my long trip this weekend.
The transmission seems to be much more smoother now.
The mechanic drove for around 3 to 4 miles and said the transmission issues should be resolved by these updates.
He said he could not recreate the vibration but said that everything should be fine.
I will check during my long drive to see if the vibration problem has gone.
Thanks.
It sounds like the computer isn't sure how to match engine speed to the the load on transmission.
The computer gets many signals from sensors on the engine and transmission. Trying to guess what is going on for a brand new car is not something I could do here .
My idea would be go to another dealer and act like you want to buy a Camry and drive one. Try and duplicate the same driving you do. Then tell them you want to trade yours in for a good one.
lol.
*** "Teach" the sunroof servomotor feedback control system where the fully open position actually is.
On the other hand (finger..??) it may be running into just enough sliding resistance that the finger/obstruction protection circuit is getting tripped. Manually open the "curtain" first and see if that doesn't help.
This software change will only take 25-30 minutes, and will make a very noticeable change in performance.
Some people think that Japan assembled is better, but that has not been my experience. Most Camrys are built in Kentucky, and some in Indiana.
Oil change - at least every 6 months, even if it doesn't have many miles on it. I think the owner's manual tells you this.
Other than that, it will be fine.
In April, I purchased an 09 Camry V6 LE assembled in Georgetown Kentucky. Since the owners manual is silent on synthetic oil, I wrote to Toyota about it and was shocked when they emailed me back within two days saying the "factory fill" was 5W30 mineral oil but I could switch to synthetic at the 5,000 mile service. The car gets incredibly good gas mileage (well over 30 mpg on premium gas 50/50 city/highway driving & 36 mpg highway at 65 - 70 mph) and I want to keep it that way.
I have used regular Pennzoil all my life. The owners' manual (more aptly described as owners' book with 480 pages) is silent on synthetic oil. Since the cost of synthetic versus regular oil is nil, I would prefer to run synthetic if it produces a gas mileage benefit but without causing increased oil consumption.
I know many years ago that people that swithced to Mobil 1 from regular oil would complain of increased oil consumption. The oil consumption rate on my car is virtually zero (dispstick level has not moved from full in 3500 miles), consistent with my prior experience with Lexus and Camry V6 engines.
Any advice or experiences regarding the use of synthetic would be appreciated. Thanks.
http://ezinearticles.com/?Petroleum-oil-vs.-Synthetic-oil:--A-Closer-Look&id=158- - 416
I even use synthetic oil in my Honda lawn mower and would not be without it for either of my cars.
The performance/shifting TSB's definitely addressed the radical cruise control down shifting. Mine would downshift from 5th(in torque converter lockup), down to 3rd. That's the problem I first reported on my early edition 07, and the TSB addressed.
Mine used to downshift even on the slightest Interstate grade, now it'll cruise along without downshifting at all on those same roads.
If you have both these issues, just tell your dealer. They both are very quick, they just hook it up to the computer and download new software.
TSB 061-08 is for V6 only, not I4.
I have to stop the ignition and only then this stops.
I thought this would be a one time scenario but till now i have experienced this 4 times.
Please let me know if anybody else has experienced the same problem.
I have read that it does take care of this, but I have a manual transmission, so I do not have first-hand experience with this particular problem. However, this TSB is for both manual and automatic, and I can say for certain that the hesitation that my manual '07 Camry had was solved with this TSB.
Do a search and you will find that many people say that the annoying downshift of the automatic is solved by TSB 068-08. Search Townhall forums, and/or type in TSB 068-08 in Google and you'll have lots of information.
It's no big deal, just go to your dealer, and you'll leave shortly with the new software and a great-performing car.
So, you want best FE, that means lots of up and down shifting with even the slightest change/perturbation in the roadbed.
Personally, even with my 4-speed Camry, I cancel the cruise when going up a steep enough grade. I prefer to use my right foot to maximize fuel economy. And after 54K miles, I know how steep the hill has to be for me to turn the cruise off.
I have never read anyone say that this new TSB made it worse - all the new Camrys coming off the production line have this new software, it is just the old ones that need the updated software. I'd get it done!
In interpreting your info I should get better FE in my 08 with a 5 speed rather than what FE I got in my 02, 4 speed. In reality I do not see any real difference in FE between them. Maybe I am missing something here. Any further analysis is most welcome.
You cannot compare the two, because they are different generations, meaning different weight, coefficient of drag is different, etc.
If you discuss this with the dealer, they will just connect your car to the computer, check the software, and download the new version. You will leave very quickly, and you'll be very happy once you drive it and see what a positive difference it makes.
In all automatics that I have driven (rentals while out of town on vacation or business), the best way to handle steep hills is to cancel the cruise on most cars. But the Camry before the TSB was, from what I read, downshifting all the time for just a tiny hill.
Again, get the TSB done - you'll be glad you did.
Rather than cancel cruise control I find it more convenient to either switch off the O/D at about the time I would apply more gas were I in the "driver's" seat, or actually over-ride the CC by depressing the gas pedal myself until well into the upward incline area.