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Did I hurt my transmission or my torque converter?


tornado_735

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When I was going to work today, right as I was going to get off at my exit, some bozo cut right in front of me, right before the entrance to the ramp. I still had cruise control on (the actual ramp wasn't for another quarter of a mile) and jumped on the brakes hard enough to lock both front tires for just a second. The idiot missed coming across my front end by about a foot, and missed clobbering an orange barrel by about 5 inches.

 

When I jumped on the brakes, then let off, what I didn't realize was that my car had stalled for a second. There was a jerk, the car fired back up, and I coasted the rest of the way to the ramp. I thought everything was normal until I got to the red light. I stopped, and when I tried to take off when the light turned green, all the car did was rev and creep, almost like either the brakes were dragging, or I had the second gear start on. I got into my parking lot, and all the car would do was creep. I put it into reverse, and reverse was normal, but back into Drive through 1st, all the car would do was rev and not move very fast. I parked, and when I got out of work, I drove it easy, and everything seems normal. It downshifts normal, it upshifts normal, the TC locks on the freeway just like it should.

 

Do you think I hurt anything?

 

 

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You shouldn't have hurt anything. A key cycle probably reset the PCM, and everything, and that's why it's OK now. Seems a little odd that it did that, but I don't think you hurt anything.

 

EDIT: The other thing that could have happened is that the fluid sloshed all up in there, and the pump cavitated. Letting it settle would have been the fix for that.

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How does the fluid look? Is it burned?

 

When the car died did you start it back up or did it start back up on its own?

 

From what it sounds like, it could be on its way out.

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How does the fluid look? Is it burned?

 

When the car died did you start it back up or did it start back up on its own?

 

From what it sounds like, it could be on its way out.

 

Well I did a redneck fluid flush when the cooler lines were blown and puking fluid, and it's nice and pink still. Besides, the girl I bought it from said she had the fluid changed the beginning of summer of '08.

 

When I let off the brakes, I felt the torque converter come unlocked.

 

Honestly, it almost felt like locking the brakes on a manual transmission car without stepping on the clutch.

 

There hasn't been any indication otherwise that it's failing.

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i've had about the same thing happen before, it locked into 3rd gear and wouldn't up or downshift until i shut it off and restarted it(at ~55MPH)...

 

damn deer.

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Wow....that's weird....so did it stall and you had to restart it?

 

No, when I let off the brakes, I saw the tach surge out of the corner of my eye. I might be wrong about it stalling, but it almost felt like popping the clutch in a manual to start it.

 

My theory is that the TC was locked, and when I locked the brakes, I did it so quick that the torque converter didn't have a chance to unlock, which stopped the whole drivetrain.

 

EDIT: But now everything seems to be normal.

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My theory is that the TC was locked, and when I locked the brakes, I did it so quick that the torque converter didn't have a chance to unlock, which stopped the whole drivetrain.

 

it's possible. in emergency situations, my foot hits the floor faster than superman on meth and have both front tires locking up half the time, and it will usually end up with the tranny locking into 3rd. so it's probably just the PCM thinking the tranny failed, so it does that. as long as it goes back to normal at the next key cycle i wouldn't worry about it. i'm not having any issues with it and it's happened to me quite a few times.

 

hopefully the OBD "downgrade" fixed that issue...

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My theory is that the TC was locked, and when I locked the brakes, I did it so quick that the torque converter didn't have a chance to unlock, which stopped the whole drivetrain.

 

it's possible. in emergency situations, my foot hits the floor faster than superman on meth and have both front tires locking up half the time, and it will usually end up with the tranny locking into 3rd. so it's probably just the PCM thinking the tranny failed, so it does that. as long as it goes back to normal at the next key cycle i wouldn't worry about it. i'm not having any issues with it and it's happened to me quite a few times.

 

hopefully the OBD "downgrade" fixed that issue...

 

:lol: Thanks!

 

Off topic somewhat: If there is a failure in the tranny of some sort, does it failsafe into third?

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One time I was getting off the freeway and almost had my car stall then it caught itself. My guess was maybe I have a vacuum leak and that heavy braking pulled too much causing it to almost die.

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I'm glad it didn't die (it's my DD and my LR is still dead) but I am also kinda dissappointed because I was going to use it as a good excuse to do a 5-speed conversion. Oh well :lol:

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