420SEL (126.035) V8-4.2L (116.965) (1986)
Harmonic Balancer - Crankshaft Pulley: Specifications
Crankshaft End Bolt
1st version (3 diaphragm springs)
270 - 330 Nm
See "Important Note".
2nd version (4 diaphragm springs) 370 - 400 Nm
Bolts, V-belt Pulley to Hub
35 Nm