Workshop Manual

D 2008/2009

Drive system

W 02-09-03

4/6

z Install piston rings with universal piston ring pliers.

z Arrange the piston ring joints with an offset of

about 120° to each other.

Do not turn the piston rings any further.

120°

0°

z Lightly oil cylinder running surface, piston, piston

rings and lifting bearing journal lightly.

z Clamp piston rings with piston ring compressor.

z Set lifting journal at bottom dead centre (BDC).

z Push piston and con rod completely into cylinder.

z Press the con rod carefully against the lifting journal.

The piston ring compressor must lie flat on

the crankcase.

z Mount big end bearing cap.

z Tighten new screws.

 35 Nm

Note installation position!

The numbered label faces the camshaft

side.

Attention!

Do not jam the con rod with the crankshaft.

Note the assignment of the big end bearing

cap.

- The identification numbers (1) on the con

rod and the big end bearing cap must be

identical and opposite to each other when

assembled.

xxx