Installation
Installation
Installation of timing chain is described separately from removal. Assembly sequence for removal and installation is different.
Check guide, reversing and tensioning rails, replace if necessary.
Check sprockets and replace if necessary.
Install guide rail.
- Install all screws
- Tighten screws (1)
- Tighten screw (3)
- Tighten down screw (2) for oil separator
Note: There is a small bore in the throttle ring (1).
Check throttle ring (1), replace if necessary.
1. Insert throttle ring (1) in reversing rail
2. Replace O-ring (2) and insert in reversing rail
3. Replace O-ring (3)
Coat O-ring (3) with oil as lubricant.
Install reversing rail and insert screws (2 and 3).
Note:
Screws (2) with M6 thread.
Screws (3) with M7 thread.
Tightening Torques
Screw (2 and 3) 14 Nm
Replace grub screw (1).
Insert grub screw only until it makes contact with angle section (1) without play, do not tighten down.
Note: The grub screw (1) secures the angle bracket in the cylinder head.
Replace O-ring.
Install oil guide for bow cover in the pivot rail.
Tighten down bow cover.
Install new timing chain.
Fit sprocket with chain to inlet camshaft on cylinder bank 5 to 8 with long bores aligned centrally.
Install two screws and fit flush.
Fit sprocket with chain to inlet camshaft on cylinder bank 1 to 4 with long bores aligned centrally.
Brace sprocket, press bow cover against the timing chain and check position of long bores on both cylinder banks.
If necessary, remove sprockets once again and align long bores centrally.
Fit sensor gear in such a way that mark on sensor gear points upward in cylinder shaft.
Insert screws and fit flush.
Insert remaining three screws on inlet camshaft on cylinder bank 5 to 8 without play.
Press bow cover against the timing chain. Secure bow cover with a plastic strap (1).
Remove timing case cover, bottom. Service and Repair
Install upper oil sump section. Service and Repair
Secure crankshaft in TDC position with special tool 11 2 300.
Attach special tool 11 7 380 to right cylinder head (cylinder bank 1 to 4).
Install special tool 11 3 390 in special tool 11 7 380.
Tighten bow cover by turning the adjusting screw on the special tool 11 3 390 with special tool 00 9 250 to 0.7 Nm.
Note: If installation tolerance is unfavorable, attach special tool 00 9 250 from underside.
Secure sprocket to inlet camshaft on cylinder bank 5 to 8.
Tightening Torque 15 Nm
Secure sprocket to inlet camshaft on cylinder bank 1 to 4.
Tightening Torque 15 Nm
Remove special tools 11 2 444 / 443 / 441 / 445.
Remove special tools 11 2 444 / 443 / 442 / 446.
Install oil lines on left and right of cylinder head.
Relieve load on special tool 11 3 390 and remove with special tool 11 7 380.
Install timing case cover, top left. Service and Repair
Install chain tensioning piston. Service and Repair
Install timing case cover, top right. Service and Repair
Remove special tool 11 2 300.
Assemble engine.