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Not shifting up-A4S trans (long) (archive)

[ Follow Ups ] [ 5-series (E34) Message Board ] [ Msg. Board FAQ ]

Posted by AZ on September 28, 2001 at 02:06:31:

My transmission is acting up. It works excellent when cold but once it warms up, the problem starts. The tranny doesn't seem to want to shift up from 2nd to 3rd, or 3rd to 4th.

In either 2nd or 3rd gear, it revs up to about 2800rpm and then it slips into neutral. I have to manually move the shifter to 3 to get it into gear again, could go into either 2nd or 3rd gear. Sometimes, when shifting it into 3 causes a major thud in the rear, the Trans Program light comes on.

What's your thoughts? Could it be just the solenoid valves, throtle sensor, clutches or do I need to rebuilt?? If its the solenoid valves, which of the valves could be the fault?

TIA

rgds
AZ
525i M50


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