S05.10-2504-09
1 Camshaft
2 Bottom timing case cover
3 Intermediate shaft sprocket
4 Crankshaft sprocket
5 Bolt
6 Camshaft sprocket
12 Bolt
13 Tensioning rail
14 Crankcase
15 Guide rail
16 Bottom timing chain
7 Top timing chain
8 Bolt
9 Guide rail
10 Cylinder head
11 Bolt
| Removing, installing | ||
1 | Remove bottom timing case cover (2) | ||
2 | Move camshaft (1) to basic position | ||
3 | Unscrew bolts (5) of camshaft sprockets (6) | | |
4 | Remove camshaft sprockets (6) | ||
5 | Remove top timing chain (7) | Mark direction of rotation of top timing chain (7). | |
6 | Unscrew bolts (8) on guide rail (9) and remove guide rail (9) | | |
7 | Unscrew bolt (11) on intermediate shaft sprocket (3) | | |
8 | Unscrew bolts (12) on tensioning rail (13) from crankcase (14) and remove tensioning rail (13) | Installation: Unclamp the tensioning rail (13) by inserting a small screwdriver in the hole. | |
9 | | ||
10 | Remove intermediate shaft sprocket (3) | ||
11 | Remove bottom timing chain (16) with guide rail (15) | Mark direction of rotation of bottom timing chain (16). | |
The guide rail (15) comes out without loosening the bolts. | |||
12 | Install in the reverse order |
Timing chain drive
Number | Designation | Engine 104.900 | ||
BA05.10-N-1001-01C | Bolt, sprocket to countershaft | 1st stage | Nm | 60 |
2nd stage | ° | 90 | ||
BA05.10-N-1004-01C | Bolt, guide rail to cylinder head | Nm | 20 | |
BA05.10-N-1005-01C | Bolt, top tensioning rail to crankcase | Nm | 8 | |
Camshaft