ATF Pump and Supply Housing

ATF Pump and Supply Housing

Removing

• ATF supply removed.

- Twist ATF pump.

- Remove circlip - 1 - and remove plate pack - 2 - from cylinder "C".





- Press plate spring down under shop press using installation bracket (T10289).





- Remove split retaining ring - 1 -.

- Release shop press.

- Remove dished washer - 5 -.





CAUTION!
Wear eye protection.

- Carefully press piston "C" out of ATF pump with compressed air.





- Remove bolts - 3 to 10 -.





- Remove bolts - 1 - and - 2 - approx. 5 rotations.

- Attach TORX socket with extension - 1 - onto head bolt, as depicted in illustration.





- Loosen ATF pump by lightly tapping on two bolts alternately using a plastic hammer - arrow -.

- Remove remaining 2 bolts.

- Remove ATF supply housing.

- Remove intermediate plate - 5 - and positioning sleeve - 6 -.





- Remove ATF pump wheels - 3 - and - 4 - from ATF pump housing - 2 -.

1 O-ring

Installing

CAUTION!
Before assembling, check components of ATF pump for wear and damage => [ ATF Supply ] ATF Supply.

- Replace O-ring - 1 - on ATF pump housing.

- Install ATF pump wheels - 3 - and - 4 - in ATF pump housing - 2 -.

• Markings (points) on ATF pump wheels point toward intermediate panel - 5 -.

- Place intermediate panel and insert positioning sleeve - 6 -.

• Positioning sleeve engages in rectangular bore on intermediate panel.

- Turn in guide pins (T10288/4) in 2 bores of ATF pump housing that are opposite to each other.





- Attach ATF pump housing onto ATF pump.

- Tighten ATF pump bolts in 2 stages as follows:









- Replace O-rings - 2 - and - 4 - for piston "C" - 3 -.





- Press piston "C" - 3 - into ATF pump - 1 - until stop.

- Position plate spring - 5 -.

6 Split retaining ring

- Press plate spring down under shop press using installation bracket (T10289).





- Install split retaining ring - 1 -.

• Bent inner side at right angle of retaining ring faces downward.

- Release shop press.

- Insert waved washer - 2 - into cylinder "C " - 1 -.





- Install outer plates - 3 - and coated plates - 4 - alternately.

- Install thick outer plate - 5 -.

• Ensure rounded edges of thick outer clutch disc faces toward lining disc - 4 - and not toward circlip - 6 -. This improves circlip contact surface.

- Insert circlip - 6 -.

• If plate pack of clutch "C" was replaced, air gap must be adjusted again => [ Adjust clutch air
gap ] Clutch C.