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Al4 transmission

21K views 15 replies 6 participants last post by  IanML  
I understand, thank you. In spring i will dismount the gearbox in order to change the oil completly. Maybe it is not lost and the change of oil will fix it. Also, in warmer days the box works perfectly.

Your symptoms are usually from the wrong oil, see your other thread.
Worst case senario:
It is possible the new oil has mixed with impurities in the box and could have gotten into your solenoids, you can either replace these and clean your valve body be sure of a fix before you put the new oil in.

Don't forget to re-set the auto adaptive with PP200 in your gear box and correct procedure for oil lever check.

How to clean here
Beware at @2.53 he removes the gear locking mech. tensioner, if you don't engrave where this is lined up before you remove it then it will make you work a lot harder to re-align the gear shifter, and dash, if you do not know how to do this procedure properly, it is very time consuming and complex if installed incorrectly and can cause many problems after and slipping of gears!! Study this before you attempt this clean and replacement of solenoids!!!

Usually cleaning or replacing 13, 14 solenoids is what you need to fix.
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Also be carful of part 6 sliding out make sure you have it inserted the correct way and the end is locked into the gear shift mech.