24 40 011 Removing and installing/replacing torque converter

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IMPORTANT:

It is imperative to avoid skin contact with transmission oil and inhalation of transmission oil vapors.
Wear protective gloves.
Ensure adequate ventilation.

IMPORTANT: After completion of work, check TRANSMISSION OIL LEVEL .
Use only approved transmission oil: ATF oil Shell L12108 ; BMW part number 83 22 2 152 426 ; 20 liters
Failure to comply with this instruction will result in serious damage to the transmission.

Necessary preliminary tasks:

Remove AUTOMATIC TRANSMISSION .

Fit special tool 24 1 440 in torque converter.

Remove torque converter.

NOTE: When torque converter is removed, transmission oil flows out.
Place torque converter vertically.

Fig 1: Removing Torque Converter Using Special Tool (24 1 440)

Courtesy of BMW OF NORTH AMERICA, INC.

Installation note:

When installing, do not damage shaft seal and bearing.

If the torque converter is not correctly installed, the driver of the pump impeller may be damaged when the transmission is flanged to the engine.

Installation note:

Push torque converter through shaft seal onto transmission shaft as far as it will go.

Press torque converter by hand into converter housing and turn in the process. Converter hub recess must snap into place in driver of pump impeller. Torque converter must be felt to slip inwards.

Determine dimension between contact surface (1) and outer edge (2) of bore hole in torque converter with special tool 00 2 550 .

NOTE: The measured value must be ≥ 25 mm.

Fig 2: Measuring Dimension Between Contact Surface And Outer Edge Of Bore Hole In Torque Converter Using Special Tool (00 2 550)

Courtesy of BMW OF NORTH AMERICA, INC.