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Funny Shifting - ABS Light


Hypnotic Toast

Well-Known Member
Joined
Nov 3, 2008
Messages
468
City
Bloomington, IN
Vehicle Year
1999
Transmission
Automatic
I wasn't sure where this was appropriate, so I figured I'd just throw it in where the biggest problem is.

Around the start of the year, my truck started to shift strangely. It's an automatic and it only does so randomly. I'll be at a standstill (stop light) and start to move forward and when I do the truck will shutter for just a few seconds then act like nothing happened. And when it shifts from 1st to 2nd it will shutter for just a few seconds again. And finally, when it shifts from 2nd to 3rd it will over-rev "like a clutch has been pushed in" and then shift. Every other gear will shift correctly and like nothing is wrong.

And like I said, this happens randomly. It doesn't do it at all when I start the truck in the morning and drive to work, but the more I drive the more it becomes prevalent, but I could still go days without it happening.

Around the same time, my ABS light came on. I know it's a simple fix, but as I've read up on it, I've seen a few people say this can make the transmission act funny when there's a problem with the sensor. Does this sound typical or is my transmission about the shit out on me?
 
The ABS sensor on the rear axle feeds the speedometer and PCM for shifting.

Replace that. It's a $20 part, held in with one 10mm bolt. You will encounter o-ring pressure holding it in after removing the bolt, that is all.

The shift flare may be a bad valve body, bad solenoid, etc. but I'd fix the easy part first and see the result.

http://www.explorerforum.com/forums/showthread.php?t=174202
 
I'm already definitely replaced the ABS sensor, as it's already over due and it's cheap enough to not ignore.

I fished around on the Explorer Forum, Earl, and I've came to the conclusion that I might as well replace the solenoids on the valve body as well, if the ABS fix doesn't help the transmission. I went to http://www.800700tran.com/level.itml/icOid/350 and am assuming that the first pack of 6 for the 5R55E will work for my truck?
 

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