GordonB
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Posts posted by GordonB
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My recent trip was 3.400 miles from Northern CA through Yellowstone NP, Glacier NP, and return through WA and your OR. This was in an 08 RX 350 and it did the same frequent downshifting at high speed. The point is that Lexus must be satisfied with that quirk in the car since it still exists with the 2008 model that has plenty of HP to handle slight lugging. The head mechanic at a Lexus dealer said that the transmission has two overdrives so cycling through all three of the "D" gears is a usual issue.
The worst is when going up a hill and every 2-3 seconds it decides to lurch into another gear. It does not make for pleasant or peaceful driving. For some reason, the constant shifting is hard to get used to and is startling when it occurs.
I ended up leaving the cruise control off and tried to feather the throttle just enough so the downshifts would not occur. Speed was lost on hills but it is a fair price to pay for not being constantly jerked around. Your solution sounds similar.
As Clinton might say, "I feel your pain." ;)
I just joined this forum in search of information on the very problem that you are describing. My new RX350 bothers me the most in slower traffic situations by downshifting and giving the appearance of a slipping transmission. This car only has 3000 miles on it, and I have already taken it back to the dealership with this complaint. The mechanic did acknowledge the problem on a test drive, and then told me that it was a normal function. He described the transmission as a "Learning Transmission", and said it would get used to my driving characteristics after a while. He also acknowleged that the ES350 has the same transmission, and does the same thing.
If anyone out there reading this forum has had the same problem, or knows of any fixes, please let me know
Thanks,
Gordon Fish
Sandpoint, ID
Test Drive Of 08 Rx350 - Tranny Question
in 04 - 09 Lexus RX330 / RX350 / RX400h
Posted
I just joined this forum in search of information on the very problem that you are describing. My new RX350 bothers me the most in slower traffic situations by downshifting and giving the appearance of a slipping transmission. This car only has 3000 miles on it, and I have already taken it back to the dealership with this complaint. The mechanic did acknowledge the problem on a test drive, and then told me that it was a normal function. He described the transmission as a "Learning Transmission", and said it would get used to my driving characteristics after a while. He also acknowleged that the ES350 has the same transmission, and does the same thing.
If anyone out there reading this forum has had the same problem, or knows of any fixes, please let me know
Thanks,
Gordon Fish
Sandpoint, ID