S 500 4MATIC (220.184) V8-5.0L (113.966) (2003)
Alternator Pulley: Service and Repair
Remove/install generator belt pulley
1
Remove generator
2
Unscrew collar nut (1)
NOTE: To hold shaft (2) tight, insert screwdriver bit through double hexagon wrench (4).
Screwdriver bit
-
See
"Special Tools" below.
-
Collar nut to poly-V-belt pulley:
80 Nm
3
Remove ribbed V-belt pulley (3)
NOTE: When replacing alternators after mileages in excess of 100000 km, replace poly-V-pulley (3) at the same time.
4
Install in the reverse order.
Special tools