What causes a Lexus RX transmission to upshift?
***ASL: Aggressive Shift Logic. The transaxle control firmware is designed to upshift the transaxle into the next higher gear anytime the, ANY, opportunity arises. That oftentimes results in the tranaxle starting an upshift as the result of a slight lift of the accelerator pedal just before accelerating.
What kind of transmission does a Lexus RX300 have?
In 2004 Lexus went to DBW, e-throttle, so as to delay engine torque until those clutches had time to fully and firmly seat. In the meantime…. Another RX300 that needs a new transmission! Mine is a ’99, AWD with 101K miles. Dealer wanted $4,300. I found a trusted, local guy who will do it for $3,500.
What to do if your automatic transmission is not working?
Sometimes resetting the car’s computer can solve the problem too. You can do this yourself by disconnecting the battery for around 30 minutes. This can allow it to reset. If this doesn’t help, it’s time to let a qualified transmission mechanic take a look for you.
When does an automatic transmission have damaged gears?
Normally when automatic transmissions have damaged gears they progressively get worse. Summary: This is a more serious problem and time is very important. Be sure to get your car to a qualified automatic transmission specialist soon. 2. Car won’t engage or respond when in gear
What to do if you have transmission problem in Lexus RX?
The timing belt and rack and pinion bit sounds like you have been talking to Firestone, Goodyear, or a shyster service manager at a Lexus dealer. I would go to a third party, not one of the above, and get a tranny repair quote.
Sometimes resetting the car’s computer can solve the problem too. You can do this yourself by disconnecting the battery for around 30 minutes. This can allow it to reset. If this doesn’t help, it’s time to let a qualified transmission mechanic take a look for you.
Are there any problems with the Lexus RX300?
There are many stories here and about regarding early, premature, transaxle failures in the RX300 series due to the adoption of ASL (***) techniques late in the last century. In many cases the Lexus dealer was able to get Lexus corporate to pick up a portion or all of the repair bill.
Normally when automatic transmissions have damaged gears they progressively get worse. Summary: This is a more serious problem and time is very important. Be sure to get your car to a qualified automatic transmission specialist soon. 2. Car won’t engage or respond when in gear
Is there a delay in acceleration after shifting gears?
At times while driving you will notice a slight delay in the acceleration of the car after shifting gears. But a delay not longer than a second is acceptable in the case of manual transmissions occasionally. This delay could be longer and more frequent in the case of automatic transmissions.
What does delayed engagement mean in auto transmission?
Delayed Engagement. You hop into your car, turn the ignition key, shift to ‘Drive’ or ‘Reverse’, and there is a seemingly long delay before the transmission engages. Known as delayed engagement, it is one of the most common symptoms of problems with any automatic transmission.
What does it mean when your transmission delays when shifting into drive?
Delayed engagement is described as the lag time that occurs from the driver shifting into gear until the transmission responds. The delay can last as fast as a few seconds and up to one minute.
Why does my Lexus not go into gear?
It enables the driver to feel as if they are driving in a “sport” mode and the vehicle feels like it is “shifting” through gears like a manual transmission. In actuality, the system is limiting the gears and not changing the gears of the transmission as you paddle up or down.
At times while driving you will notice a slight delay in the acceleration of the car after shifting gears. But a delay not longer than a second is acceptable in the case of manual transmissions occasionally. This delay could be longer and more frequent in the case of automatic transmissions.
What happens when you shift gears in an automatic transmission?
Your automatic transmission normally operates smoothly when shifting from gear to gear. You shouldn’t feel any grinding, slipping or shaking sensations as your car switches gears. When a transmission is starting to have problems, these symptoms can seem insignificant.
Delayed Engagement. You hop into your car, turn the ignition key, shift to ‘Drive’ or ‘Reverse’, and there is a seemingly long delay before the transmission engages. Known as delayed engagement, it is one of the most common symptoms of problems with any automatic transmission.