Greg5OH

Wondering if this is nromal for anyone witha 5 speed auto (ucf20-21)
when i accelerate slowly, grandpa style, the trans will go into 5th (OD) then 1 second later flare back up to 4th gear until im going a bit quicker then back to 5th.
This is annoying, and cause unnecessary heat and wear. I dont want to accelerate faster.
Is this normal?

steve2006

Probably a combination of your driving style and the transmission characteristics,why not select 4 to prevent the upshift to 5?

timmy0tool

iTrader: (7)

i assume this is during a rolling acceleration, and not from a dead stop. is your ECT power on?

Greg5OH

it will do it with pwr on as well. its from a dead stop. obviously wont shift into 5th tiull ur goign like 30 mph or so

Shmee

iTrader: (3)

Have you done anything to your car/transmission recently?

What is the slope of the road like??

Greg5OH

normal road. nothing done, fresh toyota iv fluid. Im just goign to keep it in 4th till im goign fast enough then put it in 5th. It doesnt seem o like my in town grandpa driving.

VanCityLS4

iTrader: (1)

I only notice that when traveling up or down hills. The drop to 4th is evident when it senses downhill grade. Sometimes in low cruising speed I can hear the drop in gear. I manually hold my gears (3rd-5th) when needed because of the hilly terrain here. Plus I love the exhaust note...