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I mean the RPM's shot up because the car was no longer in a higher gear. As soon as the speedo stopped working the RPM"s jumped up so the trans basically jumped to 1st or 2nd gear and wouldn't shift out of it. Both things happened at the exact same time. So i'm assuming its related to the speedo...

So this is my first auto supra, I don't know hardly anything about the auto's. One day I was cruising on the interstate at like 70mph and the speedometer just dropped to 0 and my RPM's shot up. I pulled off to the side of the road, turned the car off and back on. Put it in drive and it starting...

You know I'll be there!

Good deal, really can't wait to get this thing running right!

So you think one of the solenoids may be unplugged?

Well Devin is sending me another valve body to try. We think a valve may be stuck.

All harnesses are plugged in, and all solenoids are plugged in. I have no first gear.

^ 2 speed power glide baby! lol...but I'm not sure if years matter. My car is a 90, the trans if from a pre89. So doesn't that make a difference??

The car Def. takes off in 3rd gear. Up top it pulls like a boss. Only probelm is down low it is very slow and not very responsive. We figure'd out I have NO first gear. So the car is trying to leave in a higher gear. We figured this out because Low is suppose to be a straight cut gear. And if...

Sorry didn't realize it was private. I changed it you should be able to see it now. Let me know what you think. But Devin and I talked on the phone while i was driving the car and I think we came to the conclusion that a valve is sticking. http://www.youtube.com/watch?v=NqDvahO_BOs

Here's a video of how its acting. http://www.youtube.com/watch?v=NqDvahO_BOs&feature=youtu.be

Ok, well I was just curious because its acting like it doesnt have enough pressure to shift.

So how exactly do you do this? And to make sure I'm talking about the same thing, is it the cable that goes up to the throttle body from the trans?

I noticed in that thread they talked about locking the trans kick down cable in WOT position to keep a higher pressure. I have not done that, should I get that a try? Only reason I didn't do that is because Devin never mentioned it needed to be done.

That was a good read, but I didn't see anyone with a problem similar to mine. :S And I can promise you we didn't get the springs switched around because the trans was upside down and out of the car when we did it. And we did one accumulator at a time. So no springs were mixed up.

We had to mess with the accumulators to put the shims in them that Devin gave me with the valve body. I'm starting to wonder if my car is only driving in 3rd and 4th(O/D) now. Seeing how I was able to do 110 and it would have kept going. But when I'm cruising in town the RPM's are pretty high...

the one time it does shift that I can notice is at like 45 mph around 3500 RPM's

I just drove to walmart and back. On the way home I hit a country road and nailed the gas just to see what would happen. The car very quickly got to 110 and I let out. I think it might have shifted into the next gear at some point in really high RPM's while I was on it, but I couldn't really...

The valve body that is modded is from the trans that I bought to replace mine with. So the valve body is in its original transmission.

Anyone have any idea why its not attempting to shift into higher gears? Not enough pressure? valve body failure?