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post #1 of 4 (permalink) Old 01-06-02, 04:07 PM
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mad EF diff/auto probs

I'm hoping some of you more experienced peoples can shed some light on a problem that is driving me crazy. Pun intended.

My EFII XR6 auto seems to be playing up...When cold, the autobox goes into "limp home" mode..ie it gets "stuck" in 3rd gear and won't change. If I stop the engine and restart it, everything is fine until the next cold start.

However, I'm a little suspicious about the diff. Here's why:

When I take a tight left hand sweeping bend with power down, the car kind of "jerks" as is it is being thrown into another gear, but does'nt actually change...it quite unerving. Also, the diff occaisionally feels a bit clunky, particularly when going from D to R or vice-versa.

I took the car to a auto-tranny specialist - he couldnt find much wrong with the box apart from some error codes that the ECU was displaying..it indicated a faulty solenoid which he replaced, but the problems is still there.

Anyone esle had similar issues and found a solution? Any input would be appreciated.


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post #2 of 4 (permalink) Old 01-06-02, 07:25 PM
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Hmmmmm. My diff seems to clunk badly if I throw it in to reverse, and press the excelerator, before the car starts moving.
I.E. I have to stop the car completely,
Put it in reverse, holding the brake.
Wait a sec for the gears to engage
Release the brake to get the car moving,
Then slowly press the excelerator.

If I dont do this it goes BANG - but there seems to be no damage.
I dunno if this is a problem, but apparently the EEC V for V8's reduces Engine Torque if the Transmission is in reverse ????
The I6 doesnt have this feature ??????

Maybe someone can shed some light on this ????
Is this normal operation for LSD ?????
Or do I have a stuffed LSD ????
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post #3 of 4 (permalink) Old 01-07-02, 06:24 PM
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Budinski, I had the same prob with my EL XR8. It would go into limp- home mode then go back to normal when u restart the car. This is because the computer resets itself. Now the bad news is that if u leave it too long to fix, the car will always stay in limp-home mode. It took a million people to work out my prob. Was blown several solenoids in the box. There are 7 in total in the auto. If your in victoria, email me and i'll give ya the number of the bloke who fixed mine. U even get a tranny service up at the same time!

Good luck
post #4 of 4 (permalink) Old 01-07-02, 07:10 PM
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Thanks XR805...I'm in NSW...I'll take it back to the guy who initially replaced a dud solenoid...he only changed the one that was reported dead...there's obviously more now :dead: .
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