28 40 050 Replacing shaft seal for clutch cover (GS7D36SG)

WARNING: This page is about a different variant/trim than selected.

IMPORTANT: It is essential to adhere to conditions of absolute cleanliness.
Any dirty parts must be cleaned before removing the clutch cover.

Necessary preliminary work

Remove clutch cover

To prevent the transmission oil from spilling out, tilt the gearbox back before removing the clutch cover.

Installation note:

After completion of work, check oil level . .

Use only the DCTF-1 Pentosin (P/N 83 22 2 147 477) approved transmission oil.

Failure to comply with this instruction will result in serious damage to the twin-clutch gearbox.

Use a suitable tool to take the radial shaft seal (1) off the clutch cover.

IMPORTANT: Risk of damage:
Damage to the clutch cover will result in oil leaks!
If the clutch cover was damaged on removing the radial shaft seal, it is imperative that the cover be replaced.

Fig 1: Removing Radial Shaft Seal From Clutch Cover Using Suitable Tool

Courtesy of BMW OF NORTH AMERICA, INC.

Place the clutch cover (1) out flat on a workbench.

IMPORTANT: Pay attention to lug (2).

Coat sealing lips of radial shaft seal with transmission oil.

Press the radial shaft seal (3) lightly into the clutch cover.

Fig 2: Identifying Clutch Cover, Lug And Radial Shaft Seal

Courtesy of BMW OF NORTH AMERICA, INC.

Use special tool 24 2 370 to drive the radial shaft seal into the clutch cover until the sealing ring is flush.

Fig 3: Pressing Sealing Cap With Special Tool (24 2 370)

Courtesy of BMW OF NORTH AMERICA, INC.

Use a suitable tool to take the O-ring of the clutch cover out of the groove.

Use a lint-free cloth to remove oil contamination from the O-ring groove.

Installation note:

Replace O-ring.

Coat O-ring with transmission oil before installing.

Fig 4: Identifying Clutch Cover O-Ring From Groove Using Suitable Tool

Courtesy of BMW OF NORTH AMERICA, INC.