Transmission does not engage first or reverse on start, will act as in neutral?

Tiny
BBEECHER7
  • MEMBER
  • 2001 TOYOTA 4RUNNER
  • 3.4L
  • V6
  • 4WD
  • AUTOMATIC
  • 240,000 MILES
Won’t engage first or reverse on start, will act as in neutral until it’s almost at operating temperature. Have to feather throttle until it smooths out then it shifts fine. Hard stops make RPMs hang at 1,000-1200, will rev then jolt into first if I try to accelerate before it stops hanging. Haven’t changed transmission fluid ever. When accelerating after getting into second it will not go into third properly, can get it to 4,000 RPMs if I wanted to but if feathered around 2,500 it will shift poorly eventually. I don’t know if this is a TPS issue or what, also sounds like someone threw rocks in the transmission at idle but not positive on the location of the noise yet. Any insight would be appreciated before I take it to the Toyota dealer. EDIT: After driving for a while, it’ll shift great except for hard stops.
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Friday, September 30th, 2022 AT 5:31 AM

4 Replies

Tiny
KEN L
  • ADMIN
This sounds like a classic low transmission fluid, but I would service the unit to help it.

Here is a video that will show you what to do and how to check the fluid:

https://youtu.be/FglBsUEOSEk

Please let us know what happens.
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Friday, September 30th, 2022 AT 10:45 AM
Tiny
BBEECHER7
  • MEMBER
Currently draining and filling to specs in my manual, will update after. Thank you. After draining it there is no way the pan had 2q, so I believe this was my problem.
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Friday, September 30th, 2022 AT 10:49 AM
Tiny
BBEECHER7
  • MEMBER
Shifts like it never did before, glad I did that. The fluid looked like used engine oil, going to drain and fill again next month. One more question, do you know why when I brake my front right tire shakes violently? Noticed rear end is fish tailing when I m coming to a stop hard. Thanks again.
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Friday, September 30th, 2022 AT 12:20 PM
Tiny
KEN L
  • ADMIN
Glad you got it fixed, Thanks for posting a new question, let me know how the job goes.
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Saturday, October 1st, 2022 AT 11:16 AM

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