Repairing ring cylinder - AR35.41-P-0545-04D

WARNING: This page does not describe the selected car, but rather 42 other vehicles, including the 1999 Mercedes-Benz S600, 1999 Mercedes-Benz S500, 1999 Mercedes-Benz S420, 1999 Mercedes-Benz S320, and 1999 Mercedes-Benz CL600. However, it is still accessible from the selected car via links, so may be relevant.

		Replace radial seal ring and coat sealing lip with universal hypoid transmission fluid: ↓
		Universal hypoid transmission fluid Replace O-rings and coat with hydraulic fluid: ↓	BB00.40-P-0235-07A
		Hydraulic fluids (Specification 343.0)	BB00.40-P-0343-00A

Fig 1: Identifying Extractor (129 589 02 33 00)

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Fig 2: Identifying Drift Punch (124 589 01 15 00)

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Fig 3: Identifying Pressing-In Tool (124 589 01 35 00)

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Using a suitable screwdriver, press rubber boot (70d) off periphery of bearing cover.

Fig 4: Identifying Rubber Boot
Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
Insert extractor (071) part 04 in annular piston (70b) and pull out radial seal ring (70j).
Remove rubber boot (70d) from annular piston (70b).
Pull annular piston (70b) out of side bearing cover

Prior to this loosen breather connector (arrow), otherwise the vacuum occurring would make it more difficult to pull out the annular piston.

Fig 5: Identifying Extractor, Annular Piston, Radial Seal Ring And Rubber Boot
Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
Replace O-rings (70h and 70i) and do not install twisted.
Lubricate the periphery of annular piston (70b) thoroughly with hydraulic fluid (Specification 343.0) and press in. Seal the breather connector properly again after pressing in the annular piston.

When pressing the annular piston into the side bearing cover, ensure that the groove aligns with the roll pin (70c) or bore (arrow).

Fig 6: Identifying Annular Piston, Roll Pin, Radial Seal Ring And Rubber Boot
Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
Replace radial seal ring (70j). To do this, lubricate sealing lip slightly with Universal hypoid transmission fluid and press in radial seal ring with drift punch (073).

Fig 7: Identifying Radial Seal Ring And Drift Punch
Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
Using the smaller diameter of the pressing-in tool (072b), press rubber boot (70d) onto the annular piston.

Fig 8: Identifying Smaller Diameter Pressing-In Tool And Rubber Boot
Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
Using the larger diameter of the pressing-in tool (072a), press rubber boot (70d) onto the side bearing cover.

Fig 9: Identifying Larger Diameter Pressing-In Tool And Rubber Boot
Courtesy of MERCEDES-BENZ OF NORTH AMERICA.