Shift shock
Lexus Test Driver
Joined: Jul 2017
Posts: 9,583
Likes: 3,409
From: NJ
Instructor
Joined: Sep 2015
Posts: 979
Likes: 696
From: Ohio
The idle is not high, it is below 1000 rpms.
Maybe I can relate with you, since I have an AWD F Sport also. Maybe the FWD does not have this issue?
Does your AWD produce the same symptom as mines?
Thanks
Maybe I can relate with you, since I have an AWD F Sport also. Maybe the FWD does not have this issue?
Does your AWD produce the same symptom as mines?
Thanks
Last edited by GS4_Fiend; Aug 24, 2022 at 09:35 AM.
Instructor
Joined: Sep 2015
Posts: 979
Likes: 696
From: Ohio
I get a mild bump when I move it into D, similar to other automatic transmissions I've owned. Mine idles smoothly at 700 rpm when warmed up. It still makes enough power that it will roll forward while idling, even on a slight uphill grade. Also, and probably unrelated to your question, I have noticed that this transmission automatically disengages when the brake is applied and the car comes to a stop, and then re-engages when the foot comes off the brakes. I didn't notice this until stopping at a light on an uphill grade, where I can feel the re-engagement when the light turns green and I take my foot off the brake.
Last edited by dibl; Aug 24, 2022 at 11:43 AM.
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OK great. That does confirms it. I do get a mild bump also. I am assuming this is consider "normal."
It almost feels like I have a bad U-Joint lol. But guess not.
Thank you guys.
It almost feels like I have a bad U-Joint lol. But guess not.
Thank you guys.
Pole Position
Joined: Sep 2019
Posts: 2,179
Likes: 443
From: CA
If you have the auto-parking brake setup as "auto".
If you are parked on a sloppy driveway, hold the foot brake for a 2-3 sec when shifting from Park to Reverse. Thus, the parking brake can release smoothly. It will make the shift more pleasant also.
If you are parked on a sloppy driveway, hold the foot brake for a 2-3 sec when shifting from Park to Reverse. Thus, the parking brake can release smoothly. It will make the shift more pleasant also.
I think it is related to the drive shaft and the differential engaging.