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Home >> BMW >> 2011 >> 335d >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission -- Repair >> 2440 Torque Converter >> 2431575 Replacing oil pump O-rings (GA6HP26/19Z) >> Necessary preliminary tasks

Necessary preliminary tasks

Remove adapter (1).

Installation: 

Note installation position.

Fig 1: Identifying Adapter
G05476386Courtesy of BMW OF NORTH AMERICA, INC.

Release screws.

Tightening torque 24 31 3AZ .

Fig 2: Locating Screws
G05476387Courtesy of BMW OF NORTH AMERICA, INC.

Slide special tool 24 1 184 completely into puller 24 1 180 .

Fig 3: Sliding Special Tool (24 1 184) Into Puller (24 1 180)
G05476388Courtesy of BMW OF NORTH AMERICA, INC.

Attach special tool 24 1 180 and secure with screw (1).

Insert screw (2) and release oil supply unit from transmission housing.

Fig 4: Identifying Screws With Special Tools (24 1 180)
G05476389Courtesy of BMW OF NORTH AMERICA, INC.

Release screws.

Tightening torque 24 31 1AZ .

Fig 5: Locating Screws
G05476390Courtesy of BMW OF NORTH AMERICA, INC.

Detach cover (1) from pump body (2).

Replace O-rings (3 + 4).

Installation: 

Pay attention to installation position of gears during disassembly.

Fig 6: Identifying Cover, Pump Body And O-Rings
G05476391Courtesy of BMW OF NORTH AMERICA, INC.