Camshaft, removing and installing: Installing
WARNING: This page is about a different variant/trim than selected.
NOTE:
- When installing the camshaft the No. 1 cylinder cam lobes must point equally upward.
- Do not interchange used bearing shells (mark).
- When installing the camshaft, ensure proper seating of retaining lugs in bearing caps and cylinder head.
- Before installing bearing caps, ensure that cylinder head bolt washers are inserted in the cylinder head.
- Oil running surfaces of bearing shells.
- Tighten bearing caps 2 and 4 alternately and diagonally to 8 Nm plus an additional 14 turn (90 ° ).
- Install bearing caps 5, 1 and 3 and also tighten to 8 Nm plus an additional 14 turn (90 ° ) .
NOTE:
- Seal parting surfaces of bearing caps 1 and 5 with AMV 174 004 01 .
- Bearing cap 5 must align flush with outer edge of cylinder head, otherwise leaks can develop at the tandem pump.
- Install camshaft oil seal. Refer to Camshaft oil seal, removing and installing .
- Install rocker arm shafts and tighten securing bolts, first inner - 2 - and then outer - 1 - , evenly and in diagonal sequence. Tightening torque: 20 Nm plus an additional 14 turn (90 ° ).
- Position hub on camshaft.
- Use counterhold T10051 and tighten hub securing bolt - 1 -. Tightening torque: 100 Nm.
- Push camshaft pulley onto hub.
NOTE:
- The toothed segment - arrow - of the camshaft pulley must be on top.
- Align camshaft pulley to central position in elongated holes.
- Hand tighten securing bolts - 1 - to camshaft pulley so that there is no play.
- Lock hub with locking pin 3359.
- Install toothed belt and tension. Refer to Toothed belts, removing, installing and tensioning .
- Install tandem pump. Refer to Tandem pump, removing and installing .
NOTE:
- After installing new hydraulic lifters the engine must not be started for approx. 30 minutes. The hydraulic compensation elements must settle (otherwise valves will strike pistons).