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Home >> BMW >> 2018 >> 340i xDrive Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 253 (Automatic Transmission - Repair (F30, 4-CYL RWD)) >> 24 40 Torque Converter >> 24 40 018 Removing and installing/replacing torque converter (GA8HP50Z)

24 40 018 Removing and installing/replacing torque converter (GA8HP50Z)

WARNING: This page is about a different car, the 2018 BMW 330i and 2017 BMW 330i. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required: 

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: 

Removal: 

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.
G12702591Courtesy of BMW OF NORTH AMERICA, INC.

Installation: 

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.

O-ring (1) on drive shaft must be replaced when exchanging 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 dimension between contact surface (1) and outer edge (1) of the threaded hole on the torque converter with special tool 00 2 550  .

G12702592Courtesy of BMW OF NORTH AMERICA, INC.

Measured value must be greater than 15 mm.

G09922078Courtesy of BMW OF NORTH AMERICA, INC.

Required follow-up work: