2002 Lexus SC 430 Support Question
2002 Lexus SC 430 Support Question
Find answers below for this question about 2002 Lexus SC 430.Question posted by yaks1964 on March 29th, 2021
2002 Lexus Sc 430 Gives A Jerk When Down Shifting To Lowest Gear.
All other gears transmit smoothly. But down shifting to the lowest gears while slowing the car gives a jerk before engagement. what could could be responsible for this.....?? Flushed transmission. No success.
Current Answers
Answer #1: Posted by techyagent on March 29th, 2021 5:47 AM
techyagent
Member since:
June 17th, 2014 Points: 4,799,780
Member since:
June 17th, 2014 Points: 4,799,780
I am going to assume it is a transmission issue and not a gearbox issue and ask a few more questions.
Did the technician give you any Diagnostic codes? If it is a Lexus/Toyota dealer, they should be able to talk to the TCU.
It is possible it is a bad solenoid. Read this article about transmission solenoids and see if it matches your problems http://www.transmissionrepaircostgui...sion-solenoid/
Sadly a cars transmission has a lot of moving parts and under constant stress. It is possible that something inside is broken and it is time for a new transmission. Of course that does not mean you have to buy a new one from the dealer. There are many second hand transmissions on ebay.
I would take it to a transmission shop. They should be able to read your transmission codes, determine if it is a simple solenoid, tell you if you can rebuild your old transmission or whether you really need a new one.
Did the technician give you any Diagnostic codes? If it is a Lexus/Toyota dealer, they should be able to talk to the TCU.
It is possible it is a bad solenoid. Read this article about transmission solenoids and see if it matches your problems http://www.transmissionrepaircostgui...sion-solenoid/
Sadly a cars transmission has a lot of moving parts and under constant stress. It is possible that something inside is broken and it is time for a new transmission. Of course that does not mean you have to buy a new one from the dealer. There are many second hand transmissions on ebay.
I would take it to a transmission shop. They should be able to read your transmission codes, determine if it is a simple solenoid, tell you if you can rebuild your old transmission or whether you really need a new one.
Please check this link for reference:-
https://www.clublexus.com/forums/sc430-2nd-gen-2001-2010/829912-sc430-gearbox-problem.html
Thanks
Techygirl
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