Electric Drive Power And Control Electronics, Removing And Installing, AWD: Removing
-- Refer to REAR MOTOR, REMOVING .
-- Refer to Motor, Securing to Engine and Transmission Holder, Rear Motor .
-- Remove the lock washers -arrows- and the noise insulation -1-.
-- Remove the double bolts -1- and bolts -arrows-.
-- Pry out the cap -1- at the shown locations -arrows-.
Condition
- The sealing surfaces of the three-phase current drive must not be damaged.
Tip
The cover may bend during removal depending on the strength of the sealant. This is why the cover always needs to be replaced.
Prepare the Anti-Rotation: T10614 to loosen the bolts for the busbars:
-- Loosen the bolts -C- for the holding plates -B- one turn.
Condition
- The holding plates -B- must be movable.
-- Install the anti-rotation protector -A- hand tight to the three-phase current drive, as shown, using the bolts from the cover -arrows-.
-- In order to loosen the bolts of the busbars, press the holding plates -B- to the right and fasten the bolts -C- hand-tight.
-- Remove the bolts -arrows- for the busbars -1-.
-- Remove the bolts -arrows- and remove the anti-rotation protector -A-.
-- Remove the bolts -2- for the power electronics -1- 5 mm -a-.
-- Position the Anti-Rotation: T10611 -D- as shown on the power electronics -1-.
-- Install the bolts -E- hand-tight against the bolt heads -2-.
Condition
- The help of a second person is necessary for the following procedure.
Risk of damaging the connector.
- Before pulling out the power electronics, the connector lock -arrow- must be released and held by a second person.
-- Release and hold the connector lock -arrow-.
-- When releasing the connector lock -arrow- install the bolts -E- evenly and remove the power electronics all the way on the bolt heads -2-.
-- To prevent the connector from locking again, insert a plastic wedge in between the power electronics and the three-phase current drive.
-- Remove the puller -D-.
-- Remove the bolts and remove the power electronics.
-- Refer to Front Motor, Removing .
-- Refer to MOTOR, SECURING TO ENGINE AND TRANSMISSION HOLDER, FRONT MOTOR .
-- Remove the bolts -arrows- and the cover -1-.
-- Remove the bolts -1- for the busbars.
-- Remove the bolts -arrows- for the power electronics -1-.
-- Remove the power electronics -1- from the three-phase current drive.