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Sedans Toyota Avalon 2008 Toyota Avalon
632 messages, Last post on Nov 29, 2009 at 4:47 PM
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Replying to: ncee (Jan 20, 2009 4:26 am) Regards-Jamie |
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Or so it seems. When my 2008 Avalon is cold, and I first drive off, there is a clicking / grinding sound that seems to come from the left front corner. Much like if the CV joint was bad? The car has 3,500 miles on it. The noise is MUCH worst when taking off and turning left right from the start. So I start the car up, and turn hard left under acceleration and it makes the noise. The noise or frequency is less after about 10 - 20 minutes. If I park the car long enough for the parts / car to cool down, it happens each time. The car also seems to be shifting or not, much more during this time. I have on occasion been going down a very slight incline and had the car almost stop when I let up off of the gas pedal. It's like the car is in low gear when I do this, even if I'm going 25 - 35 MPH. The car was in last week for this, and at that time they said they has to re-set the VCS sensor? All pretty weird, and folks had this happen to them? Is there something I should tell me dealer? I'm guessing the worst that can happen is it gets worst, and the dealer can then figure out what's wrong? I say this, because they didn't hear anything yesterday when I dropped the car off, for them to check out. I'm thinking I'll need to leave it there over night for them to hear and maybe figure out what's wrong. Skip |
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Replying to: ncee (Jan 31, 2009 4:54 am) Definitely leave it over night at the dealer.
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Replying to: aus1 (Feb 05, 2009 1:16 am) Skip |
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Replying to: aus1 (Feb 05, 2009 1:16 am) Jamie |
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Replying to: ncee (Jan 31, 2009 4:54 am) |
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Replying to: ncee (Jan 31, 2009 4:54 am)
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Replying to: joshuag (Feb 05, 2009 10:50 am)
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Well hopefully I find out today. I just dropped it off, for the 3rd time. The first 2 times they said they couldn't find anything. On my way to the dealership, I heard it 8 times, including once turning into the parking lot. I had them take a ride with me, right then, and we turned left twice. Once out of the parking lot, and once back into the parking lot (all in the span of 50 yards) - it made the noise both times, and more then loud enough to hear. He said "Well I heard it, you are not crazy". "This will make it easier to figure out". Here's hoping. Skip |
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Replying to: tkevinc1 (Feb 06, 2009 5:46 am) But with the very same 1-2 second transaxle downshift delay/hesitation according to the description for the (same..??) new 6 speed in the 2010 RX350. The problem arose from Toyota's adoption of "real-time" ATF line pressure control along with "abolition" of the ATF line pressure accumulator back late in the last century. With no accumulator and the engine at idle or nearly so the ATF pump can not be relied upon to supply quick "make-up" line pressure, say when two sequential gear changes are required in QUICK succession. Ford is using the same FE improving technique but with a variable displacement ATF pump so "high" pump volumes/pressures can still be attained with the engine idling but virtually nil at high engine RPM. |
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