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Removing and installing ATF oil pan > < Cleaning ATF pipes

A4 Mk3

Exploded view - ATF oil pan, ATF strainer and mechatronic unit
Exploded view - ATF oil pan, ATF strainer and mechatronic unit
  Caution
Risk of damage to the gearbox.
The engine must not be started when there is no ATF in the gearbox or if the ATF oil pan has been removed.
  Note
t  Always renew mechatronic unit if contaminated or defective.
t  Rules for cleanliness when working on the automatic gearbox → Chapter.
t  General repair instructions → Chapter.
t  Coat O-rings and seals with ATF. Other types of lubricant will cause the gearbox hydraulics to malfunction.
   
1 - Bolt
q   13x
q   Renew
q   2.5 Nm + 90°
q   Follow correct tightening sequence → Chapter „ Removing and installing ATF oil pan“
q   Oil pan to gearbox
2 - ATF drain plug
q   12 Nm
q   Renew
3 -  ATF inspection plug
q   9 Nm
4 - O-ring
q   Renew
5 -  ATF oil pan
q   → Chapter „ Removing and installing ATF oil pan“
6 - Magnet
q   2x disc-shaped magnets, (not as illustrated)
q   Ensure full contact
q   Clean before installing
7 - Deflector cap
q   Plugged into opening on oil pan
8 - Not fitted
9 - Oil pan gasket
q   Renew
10 - ATF strainer
q   → Chapter „ Removing and installing ATF strainer“
11 - O-ring
q   Renew
12 - Retaining clip for wiring harness connector
13 - Wiring harness in gearbox
q   Some versions have retainer catches on connector
q   → Chapter „Removing and installing wiring harness in gearbox“
14 - Bolt
q   8 Nm
q   Observe instructions for installation and removal → Chapter „Removing and installing mechatronic unit“
15 - Mechatronic unit
q   → Chapter „Removing and installing mechatronic unit“
16 - Seal

   

Removing and installing ATF oil pan > < Cleaning ATF pipes