11 33 062 Removing and installing/renewing all rocker arms (N47)
Special tools required:
Necessary preliminary tasks:
- Remove CYLINDER HEAD COVER .
Crank engine with special tool 11 6 480 to TDC firing position of cylinder no. 1.
Remove protective cap of gear case cover.
Block crankshaft with cylinder no. 1 in TDC firing position with special tool 11 5 320 .
Release CHAIN TENSIONER (1) .
Release screws (1).
Remove camshaft sprocket from the intake camshaft and feed out of timing chain.
Place timing chain at the cylinder head.
Release all bolts (1) from outside inwards.
Set down all rocker arms (1) on special tool 11 4 480 in neat order.
Installation note:
Already used rocker arms (1) may only be reused in the same position.
Installation note:
Make sure roller cam followers are in correct installation positions.
Place camshaft carrier on cylinder head.
Tighten bolts in sequence (1 to 14).
Tightening torque: 11 31 3AZ .
Adjust VALVE TIMING .
Assemble engine.