MECHATRONIC, Removing And Installing: Removing
- The transmission is installed.
Clean working conditions for the automatic transmission, refer to GUIDELINES FOR CLEAN WORKING CONDITIONS .
General repair instructions, refer to GENERAL REPAIR INFORMATION .
Always replace the Mechatronic unit if it is dirty or defective.
Danger of causing damage to the transmission.
- Do not start the engine if there is no ATF in the transmission and if the Mechatronic is removed.
-- Move the selector lever into "P".
-- Remove the ATF oil pan, refer to OIL PAN, REMOVING AND INSTALLING .
-- Remove the ATF filter, refer to ATF FILTER, REMOVING AND INSTALLING .
There is a risk of destroying the transmission control module (Mechatronic) with static discharge.
- Always "discharge" the static electricity before working with electric connectors. Do this by touching a grounded object, for example vehicle ground, the vehicle or the hoist.
- Do not touch contacts in transmission connector with hands.
-- Turn the twist lock counter-clockwise -arrow- and disconnect the connector from the transmission.
-- Remove the bolt -1-.
-- Turn the connector housing -2- counter-clockwise -arrow- and remove it.
-- Carefully disconnect the connector -B- from the Transmission Fluid Auxiliary Hydraulic Pump 1 -V475- -A-.
-- Remove the Transmission Fluid Auxiliary Hydraulic Pump 1 -V475- -A- from the transmission housing.
The Transmission Fluid Auxiliary Hydraulic Pump 1 -V475- fits tightly into the transmission housing because of the O-ring -D-.
-- Remove the bolts in the sequence -19 to 1-.
Risk of causing damage to the Mechatronic.
- Only the bolts with a T40 TORX® bolt head may be loosened.
- If other bolts are loosened, this may affect the function of the Mechatronic unit or it may come apart.
-- Remove the Mechatronic from the transmission.
Danger of damaging the sensor on the back side of the Mechatronic.
- Lay the Mechatronic with the bolt head side facing down only.