Camshafts, removing and installing: Installing
WARNING: This page is about a different variant/trim than selected.
- Oil camshaft running faces.
NOTE:
- During camshaft installation, the camshaft sprocket recesses - arrows - must point upward.
- Make sure that during bearing cover installation the markings on the covers are visible from the exhaust side of the cylinder head, and that the - arrows - point in the direction of the vibration damper side.
Camshaft, cylinder row 1, 3 and 5
- Tighten bearing covers 3 and 5 in an alternating and crosswise pattern and then finish tightening to 20 Nm.
- Install bearing covers 1 and 7 and also tighten to 20 Nm.
Camshaft, cylinder row 2, 4 and 6
- Tighten bearing covers 2 and 6 in an alternating and crosswise pattern and then finish tightening to 20 Nm.
- Install bearing cover 4 and also tighten to 20 Nm.
- Clean camshaft gear cover at sealing surfaces and at cylinder head.
- Clean old sealant from 3 mm bores in cylinder head gasket.
NOTE:
- With the cylinder head installed, the bores in the cylinder head gasket are only partially visible.
- Install camshaft sprockets with camshaft roller chain, refer to Valve timing, setting (Installing timing chains) , adjust timing.
- Fill 3 mm bores in cylinder head gasket with Sealant AMV 188 001 02 .
- Coat cover sealing surface with Sealant AMV 188 001 02 .
NOTE:
- Make sure that the oil duct sealing O-ring is seated in the cover.
- Install cover, start all fastening screws and lightly tighten by hand.
- Tighten M8 fastening screws to 25 Nm, then tighten M6 fastening screws to 10 Nm.
- Install camshaft roller chain tensioner and tighten to 30 Nm.
NOTE:
- After installing new valve lifters, do not start the engine until after about 30 minutes. Hydraulic balancing elements must become properly seated (otherwise, valves will make contact with the piston).