Do transmissions shift hard when cold?
Viscosity change: The viscosity of transmission fluid changes and gets thicker in the cold. Shifting problems: When it’s cold, the transmission will shift harder and shift points can become delayed which can lead to yet harder shifting.
Why does my car jerk when it shifts?
Automatic transmissions that shift hard, jerk or shake during a shift change may mean your transmission fluid needs changed or fluid level is low. In manual transmission vehicles, abnormal gear shifts could indicate damaged gear synchros, worn clutches or other, more severe issues.
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 Lexus transaxle fails?
In many cases the Lexus dealer was able to get Lexus corporate to pick up a portion or all of the repair bill. And don’t let ANYONE tell you that the failure is a result of your not doing the proper scheduled maintainance. Your owners manual is quite clear that no routine scheduled transaxle maintenance is required.
Why is my Shift Solenoid not working properly?
Diagnosis is key when it comes to transmission problems, as various issues can cause similar problems. Trouble with wiring or sensors could be at fault instead. A faulty shift solenoid should be replaced. In some cases, the solenoid is integrated into the valve body and isn’t serviceable.