Replacing Output Flange Shaft Seal (GA6HP19Z)
Remove rear underbody protection.
Remove exhaust system after catalytic converter. See REMOVING AND INSTALLING COMPLETE EXHAUST SYSTEM (M54).
Remove heat shields (1) and (2). See Fig 1 .
Support transmission from underneath: support with Special Tools (24 5 306, 24 5 301) and (00 2 030). See Fig 2 . Set up special tool 24 5 306:
- All supports to "A".
- Supports 3 and 4 are at rear of transmission.
- Support lettering points forwards.
Release screws (1) and nuts (2) and remove transmission cross-member. See Fig 3 .
Release screws and remove transmission bearing block (1). See Fig 4 . Upon installation, tighten screws to specification. See TORQUE SPECIFICATIONS .
Unflange propeller shaft from transmission and tie up to one side. See Fig 5 .
Grip output flange (1) with Special Tool (23 0 020). See Fig 6 . Release nut with Special Tool (24 2 380). Upon installation: replace nut and tighten to specification. See TORQUE SPECIFICATIONS . Secure with a mandrel (8 mm) by caulking.
Detach output flange from output shaft. Remove spacer.
Attach Special Tool (24 2 353) to output shaft (1). See Fig 7 .
Screw in Special Tool (24 2 351) until it is firmly connected with shaft seal. See Fig 8 . Pull out radial shaft seal by screwing in Special Tool (24 2 352).
Oil sealing lip of radial seal (1). See Fig 9 . Drive in radial seal (1) with Special Tool (24 2 370) as far as it will go.