ATF pump and ATF supply housing, removing and installing

WARNING: This page is about a different car, the 2005 Audi A4, 2004 Audi A4, 2003 Audi A4, and 2002 Audi A4. However, it is still accessible from the selected car via links, so may be relevant.

Removing

ATF supply removed.

Twist ATF pump.

Fig 1: Identifying Circlip and Plate Pack

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

Fig 2: Pressing Plate Spring Down Under Shop Press Using Installation Bracket T10289

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Press plate spring down under shop press using installation bracket T10289.
Remove split retaining ring - 1 -.
Release shop press.

Fig 3: Identifying Dished Washer

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Remove dished washer - 5 -.

CAUTION: Wear eye protection.

Fig 4: Carefully Press Piston "C" Out Of ATF Pump With Compressed Air

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

Fig 5: ATF Pump Housing Fasteners

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Remove bolts - 3 to 10 -.
Remove bolts - 1 - and - 2 - approx. 5 rotations.

Fig 6: Locating ATF Pump Bolts Alternately And Plastic Hammer

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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.

Fig 7: ATF Pump Component, Overview

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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 .

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.

Fig 8: Identifying Guide Pins T10288/4 and ATF Pump Housing

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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.

Fig 9: ATF Pump Housing Fasteners

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Tighten ATF pump bolts in 2 stages as follows:

Stage	Tightening
I	Tighten bolts - 1 to 10 - in sequence to 5 Nm.
II	Tighten bolts - 1 to 10 - in sequence to 10 Nm.

Fig 10: Identifying Dished Washer

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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

Fig 11: Pressing Plate Spring Down Under Shop Press Using Installation Bracket T10289

Courtesy of VOLKSWAGEN UNITED STATES, INC.

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.

Fig 12: Cylinder Component, Overview

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Insert waved washer - 2 - into cylinder "C" - 1 -.
Install outer plates - 3 - and coated plates - 4 - alternately.
Install thick outer plate - 5 -.

NOTE:

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 -.

NOTE:

If plate pack of clutch "C" was replaced, air gap must be adjusted again Adjust clutch under Clutch "C" , disassembling and assembling .