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Automatic gearbox, control, assembly, housing > < Rules for cleanliness when working on the gearbox

A4 Mk2

Frequently occurring faults
Frequently occurring faults
  Note
t  Prior to the start of fault-finding, interrogate the event recorder of the automatic gearbox control unit -J217- → Vehicle diagnosis, testing and information system VAS 5051.
t  Also interrogate the event recorder of the engine control unit, as engine control unit fault messages can lead to malfunctioning of the gearbox → Vehicle diagnosis, testing and information system VAS 5051.
t  Before commencing fault-finding, check ATF level → multitronic 01J, front-wheel drive; Rep. Gr.37, → multitronic 0AN, front-wheel drive; Rep. Gr.37.
t  Use the “Guided Fault Finding” mode → Vehicle diagnosis, testing and information system VAS 5051.
t  Also make use of all the appropriate “Technical product information TPI” → Technical Service Handbook
t  When assessing complaints and abnormal wear, refer to the training documentation → EX 335 “multitronic”, Part 2.
   
Escape of ATF in area of bell housing
ATF escaping at the underside of the bell housing may be an indication of leakage at the input shaft oil seal and/or the ATF breather pipe. The actual cause is to be established before replacing components → Chapter.
  Note
If ATF is found to be escaping from the inspection hole behind the ATF breather pipe -A- on a level with the screw -B-, the gearbox is defective and must be replaced.
  A37-0425

Automatic gearbox, control, assembly, housing > < Rules for cleanliness when working on the gearbox