Replacing valve stem seals - RA05001192700X(05-2700)
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.
Preceding work:
Valve springs removed (05-2500) .
Operation no. of operation texts and work units or standard texts and flat rates 05-3510
| Valve stem seals (16) | remove with pliers (1) 104 589 00 37 00. |
| Valve stems | debur, if necessary. |
| Protective sleeve (2) | fit onto valve stem, remove. |
| Valve stem seals (16) | oil. |
| Valve stem seals (16) | press on by hand with the assembly drift (3). Assembly drift 104 589 01 43 00 (dia. 8 and 9 mm) Assembly drift 119 589 00 43 00 (dia. 7 mm) |
Special tools
NOTE:
Valve stems and assembly sleeves are supplied as a repair kit.
Valve guides which are worn at the retaining groove for the valve stem seals and valves with damaged valve ends or valve stem must be replaced.
Valve stem seals with bent metal shell must be replaced.
DISTINGUISHING FEATURES OF VALVE STEM SEALS
| Engine | Engine No. | Identification | Valve stem dia. | Assembly drift (special tool) | |
| Part No. | Inlet | Exhaust | |||
| 119.96 (1st version) | up to 011 930 | 104 053 02 58 | 8 mm | - | 104 053 01 43 00 |
| 104 01 43 00 | - | 9 mm | |||
| 119.96 (2nd version) | as of 011 931 | 000 053 42 58 or 000 053 43 58 | 7 mm | 7 mm | 119 589 00 43 00 |
| 119.97 | as of start of series production | ||||