Transmission screwed p2757
11-04-18, 04:21 PM
#1
Pole Position
Thread Starter
Transmission screwed p2757
I have driven this car for 2 days and noticed a pretty bad vibration in the passenger wheel area when pressing on the throttle. I quickly realized it does it only when the car is fully warm. Basically what happens is the car fails to downshift unless I put my foot heavy into it then it downshifts and the shaking stops.
I will stick to manual mode as that solves the shaking issue but I think I'll need to replace a solenoid
I will stick to manual mode as that solves the shaking issue but I think I'll need to replace a solenoid
11-04-18, 05:58 PM
#2
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Thread Starter
Just drove it again this time I got to replicate the shaking even in manual shift mode. It seems to happen when I'm right around 2k rpm and trying to accelerate. As soon as I downshift to 5th rpms go to 2500 and it stops shaking and car has good power. Is this a slipping converter?
I will try to replicate it tomorrow when car is cold to make sure it's related to tranny temperature.
Also it only seems to happen at higher speeds it never happened at like 40km
I will try to replicate it tomorrow when car is cold to make sure it's related to tranny temperature.
Also it only seems to happen at higher speeds it never happened at like 40km
11-05-18, 05:05 AM
#3
That is torque converter shutter caused by breakdown of the friction modifiers in the fluid. Assuming damage isn't done...
Probably a good idea for a pan drop and fluid change.
These cars use the exact same transmission in the tundra. The only difference is the Tundra has an extra trans cooler.
Probably a good idea for a pan drop and fluid change.
These cars use the exact same transmission in the tundra. The only difference is the Tundra has an extra trans cooler.
11-08-18, 04:06 AM
#5
11-12-18, 04:02 PM
#7
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Thread Starter
realized the problem is that it doesn't downshift or downshifts with a huge delay when hot. Coasting and then pressing on the gas should immediately raise the rpms or downshift if you press it hard enough but it gets stuck sometimes in 5th or 6th so I gotta manually downshift it to keep moving.
Other than this tranny feels alright I hope changing the solenoid will fix the downshift problem
Other than this tranny feels alright I hope changing the solenoid will fix the downshift problem
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ureclipsed (05-18-24)
11-12-18, 08:06 PM
#9
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Thread Starter
Just 2006? How is 2007 different?
What service? The ecu can develop cracks in solder joints yes, but if I have a code for the tranny I should probably do that first
What service? The ecu can develop cracks in solder joints yes, but if I have a code for the tranny I should probably do that first
11-12-18, 08:42 PM
#11
https://www.clublexus.com/forums/gs-...6-gs300-2.html
Read post #31
He used http://siaelec.com/ to repair the ECU, what went faulty was the transmission module inside.
Read post #31
He used http://siaelec.com/ to repair the ECU, what went faulty was the transmission module inside.
11-17-18, 07:58 AM
#12
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Thread Starter
https://www.clublexus.com/forums/gs-...6-gs300-2.html
Read post #31
He used http://siaelec.com/ to repair the ECU, what went faulty was the transmission module inside.
Read post #31
He used http://siaelec.com/ to repair the ECU, what went faulty was the transmission module inside.
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ureclipsed (05-18-24)
02-23-19, 05:48 AM
#14
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Thread Starter
update on my tranny. After driving it for couple of months I can see exactly what's happening with it.
1-The shudder is gone. Most likely was the TCC slipping due to bad fluid. Now it holds. It won't accelerate but it holds.
2-Lock up enables on random in any gear, greatly hindering acceleration.
3-Car gets stuck in gear, doesn't downshift.
4-When applying brakes, transmission works against brakes, tries to push me forward. This makes for some confidence un-inspiring, hooptie like braking.
5-It seems to happen less the more I use different gears, stop, and go, etc. But after driving on the highway and the car being in 5th/6th gear with TCC engaged, the solenoid likes to get stuck if you don't constantly use it.
Numbers 2,3,4 all kick in at the same time.
Still driveable, I use it every day. Get to the highway(car drives nice), drive on highway(6th speed cruising), then get off the hwy and limp my way to the destination in manual mode haha. the key is to not burn the tcc by giving it more gas but just give it a little throttle so it speeds up
1-The shudder is gone. Most likely was the TCC slipping due to bad fluid. Now it holds. It won't accelerate but it holds.
2-Lock up enables on random in any gear, greatly hindering acceleration.
3-Car gets stuck in gear, doesn't downshift.
4-When applying brakes, transmission works against brakes, tries to push me forward. This makes for some confidence un-inspiring, hooptie like braking.
5-It seems to happen less the more I use different gears, stop, and go, etc. But after driving on the highway and the car being in 5th/6th gear with TCC engaged, the solenoid likes to get stuck if you don't constantly use it.
Numbers 2,3,4 all kick in at the same time.
Still driveable, I use it every day. Get to the highway(car drives nice), drive on highway(6th speed cruising), then get off the hwy and limp my way to the destination in manual mode haha. the key is to not burn the tcc by giving it more gas but just give it a little throttle so it speeds up
Last edited by potatomon; 02-23-19 at 06:08 AM.