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Toyota Avalon (Prior to 2005) Transmission Questions

90 messages,  Last post on Jan 03, 2009 at 11:18 AM

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What is this discussion about? Toyota Avalon, Transmission, Sedan


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#86 of 90
Tranny failure ? by rmg314
Nov 22, 2008 (10:02 am)
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Hello all !
 
I have a 1998 Avalon XLS with 110,000 miles. The problem I am having is with the transmission. It works fine,, shifts fine except when I am starting out from a stop. When I hit the gas, it jumps forward and takes off. Other cars I have owned, it seems like there is a gradual shift into gear without it jerking forward but on this car it feels as if it hits the gear hard and the car jumps forward. I bought the car used last year with 97,000 miles on it so i dont know that much of the car history. I checked the tranny fluid and its clear pink without any unusual odor.
 
Any thoughts or suggestions would be appreciated.
 
Thanks,
RMG314
#87 of 90
Re: Tranny failure ? [rmg314] by wwest
Nov 22, 2008 (10:15 am)
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Replying to: rmg314 (Nov 22, 2008 10:02 am)

If you happen to mean "california stops", not quite coming to a full stop, then for a car with that many miles that might be your problem. Otherwise you're probably driving with a transaxle that will soon need a rebuild.
#88 of 90
Re: Accelerator Problem [mikes.] by nightlinger
Jan 03, 2009 (10:41 am)
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Replying to: mikes. (Mar 20, 2005 10:54 pm)

I have a 2000 XLS with 306,000 miles. All I've done is service it every 90,000
miles when I changed the timing belt. I have had to replace the struts and once
the ball bearings, but that's it. The motor and transmission run great and I am
told by the oil change folks the oil is as clear as a new car. In fact, I am wondering
what failure is most likely to leave me "high and dry" while on the road?
 
Sim
#89 of 90
Re: Tranny failure ? [rmg314] by wwest
Jan 03, 2009 (10:59 am)
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Replying to: rmg314 (Nov 22, 2008 10:02 am)

More modern, say beginning in '98, FWD & F/AWD vehicles DO NOT downshift into 1st gear during lift throttle coastdown periods until/unless the vehicle comes to a full and complete stop. If you happen to try to accelerate just prior to this downshift you will always get a jerky acceleration.
 
You can somewhat avoid this "feature" via manually downshifting into first as you roll to(ward) a stop, and before gas pedal depression.
 
Later models use DBW to prevent a rise in engine RPM until the downshift is complete, softening the GO...
 
You might also want a technician to check for slack in the (cable) coupling from the gas pedal to the throttle butterfly valve.
#90 of 90
Re: Accelerator Problem [nightlinger] by Mr_Shiftright HOST
Jan 03, 2009 (11:18 am)
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Replying to: nightlinger (Jan 03, 2009 10:41 am)

AAA reports that most breakdowns on the road are due to fairly simple things like bad belts, hoses, blow-outs.
 
If you've never had radiator renewed or new water pump, you're pushing your luck there. If you've never had a catalytic converter, then it's well beyond its life span.
 
Also I'd put your car on the lift and have things tightened up and checked for structural issues, like cracks in suspension mounts. Also a good time to check for leaks, including oil, water and exhaust.

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