BMW X3 (F25) Service & Repair Manual: Torque converter

• Removing and installing/replacing torque converter (GA8HP45Z) (N20)
• Removing and installing/replacing torque converter (GA8HP45Z) (N47)
• Removing and installing/replacing torque converter (GA8HP45Z) (N55)
• Removing and installing/replacing torque converter (GA8HP45Z) (N52)

Removing and installing/replacing torque converter (GA8HP45Z) (N20)

Special tools required:

• 00 2 550
• 24 4 000
• 24 1 440

IMPORTANT:

• Do not let skin come in contact with transmission oil and do not inhale fuel vapors.
• Wear protective gloves.
• Ensure adequate ventilation.

IMPORTANT: After completion of repair work, check TRANSMISSION OIL LEVEL .

Use only approved TRANSMISSION OIL .

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.

Installation note:

When installing, do not damage radial 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:

O-ring on drive shaft, must be replaced when exchanging the torque converter.

Push torque converter through radial shaft seal onto transmission shaft to the limit position.

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

NOTE: The measured value must be ≥ 25 mm.

Removing and installing/replacing torque converter (GA8HP45Z) (N47)

Special tools required:

• 00 2 550
• 24 4 000

IMPORTANT:

• Do not let skin come in contact with transmission oil and do not inhale transmission oil vapors.
• Wear protective gloves.
• Ensure adequate ventilation

IMPORTANT: After completion of repair work, check TRANSMISSION OIL LEVEL .

Use only approved TRANSMISSION OIL .

Failure to comply with this instruction will result in serious damage to the transmission.

Necessary preliminary tasks:

• Remove AUTOMATIC TRANSMISSION.

Screw special tool 24 4 000 into torque converter.

Remove torque converter and set down vertically.

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

Installation note: When installing, do not damage radial 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: O-ring on drive shaft, must be replaced when exchanging the torque converter.

Push torque converter through radial shaft seal onto transmission shaft to the limit position.

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 distance between contact surface and surface (1) of threaded hole in torque converter with special tool 00 2 550 .

NOTE: Measured value must be greater than 15 mm.

Removing and installing/replacing torque converter (GA8HP45Z) (N55)

Special tools required:

• 00 2 550
• 24 4 000

IMPORTANT:

• Do not let skin come in contact with transmission oil and do not inhale fuel vapors.
• Wear protective gloves.
• Ensure adequate ventilation.

IMPORTANT: After completion of repair work, check TRANSMISSION OIL LEVEL .

Use only approved TRANSMISSION OIL .

Failure to comply with this instruction will result in serious damage to the transmission.

Necessary preliminary tasks:

• Remove AUTOMATIC TRANSMISSION.

Screw special tool 24 4 000 into torque converter.

Remove torque converter.

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

Installation note: When installing, do not damage radial 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.

Remove torque converter and set down vertically.

Installation note: O-ring on drive shaft, must be replaced when exchanging the torque converter.

Push torque converter through radial shaft seal onto transmission shaft to the limit position.

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 distance between contact surface and surface (1) of threaded hole in torque converter with special tool 00 2 550 .

NOTE: Measured value must be greater than 15 mm.

Removing and installing/replacing torque converter (GA8HP45Z) (N52)

Special tools required:

• 00 2 550
• 24 4 000

IMPORTANT:

• Do not let skin come in contact with transmission oil and do not inhale transmission oil vapors.
• Wear protective gloves.
• Ensure adequate ventilation

IMPORTANT: After completion of repair work, check TRANSMISSION OIL LEVEL .

Use only TRANSMISSION OIL .

Failure to comply with this instruction will result in serious damage to the transmission.

Necessary preliminary tasks:

• Remove AUTOMATIC TRANSMISSION.

Screw special tool 24 4 000 into torque converter.

Remove torque converter.

Figure: 6HP Gearbox

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

Installation note: When installing, do not damage radial 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.

Remove torque converter and set down vertically.

Installation note: O-ring on drive shaft, must be replace: when exchanging the torque converter.

Push torque converter through radial shaft seal onto transmission shaft to the limit position.

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 distance between contact surface and surface (1) of threaded hole in torque converter with special tool 00 2 550 .

NOTE: Measured value must be greater than 33 mm.