Pushing side bearing covers into rear axle housing and installing differential gear - AR35.31-P-0550-43D

			Observe applied marking on bearing cover with shim. Smear outer periphery of O-rings in bearing cover with Universal hypoid transmission fluid: ↓
		Universal hypoid transmission fluid	BB00.40-P-0235-07A

Vehicles with ASD 

Ensure correct seating of spring (70k) in bearing cover.

Fig 1: Identifying Bearing Cover Spring

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

1. Smear periphery of O-rings in bearing cover (27b or 27c, 27d) with Universal hypoid transmission fluid.
2. Push both side bearing covers (27b or 27c, 27d) together with shims into the rear axle housing until they are flush with the inner edge of housing.

   

   Observe applied marking of bearing cover with shim.

3. Install differential gear in rear axle housing and push both side bearing covers (27b or 27c, 27d) in up to the stop.

Do not damage O-rings when inserting the bearing covers.

Standard bearing covers illustrated 

Fig 2: Identifying O-Rings In Bearing Cover And Side Bearing Covers

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Observe installed position of side bearing covers 

The standard and ASR bearing covers are identified with the inscription "BOTTOM  ", the ASD bearing cover with "R  "and "L  " for right and left. This information relates to the installed position of the rear axle center assembly, viewed in the direction of travel.

If the side bearing covers jam in the bore of the rear axle housing, reset with light hammer blows (rubber mallet) (arrows).

Standard bearing cover illustrated 

Fig 3: Identifying Rubber Mallet

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

ASD bearing cover, right 

Fig 4: Identifying ASD Bearing Cover - Right

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.