Removing and installing belt pulley of tensioning device (2nd version) - RA13001043250X(13-3250)
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:
Fan shroud removed (20-3400)
Viscous fan coupling removed (20-3120) .
2nd version with internal damper as of September 1994
| Poly V-belt (27) | remove, install (13-1200) . |
| Belt pulley of tensioning device (7) | unbolt, bolt on (45 Nm). |
| Ball bearing in tensioning pulley (7) | check it is tight. The different versions of the tensioning pulley (7) with Ø 80 mm and 93 mm necessitate different length of poly V-belt (13-1240) . If a 20 mm shorter poly V-belt is installed together with the smaller tensioning pulley (7) (Ø 80 mm) when performing repairs, the belt length should be entered on the last page of the Maintenance Booklet and the Owner's Manual amended accordingly. |
Special tool
TIGHTENING TORQUE IN NM
| Nut of belt pulley of tensioning device | 45 |