Remove/install camshaft bearing bridge

AR05.20-P-7103L

Remove/install camshaft bearing bridge

24.6.10

17.4.02

Value modified from 14 Nm to 1.5 Nm 1st stage and 14 Nm 2nd stage

Value in BA05.20-P-1003-01E for engine 137 modified

*BA05.20-P-1003-01E

12.6.02

Value changed from 80 Nm to 120 Nm

Figure in BA05.10-P-1001-01H for engine 137 modified

*BA05.10-P-1001-01H

 

Remove/install

1

Remove intake manifold

 Removal: Remove intake manifold complete with intake connection, intake air pipes and fuel rail.

AR09.20-P-1310L



*BA09.20-P-1001-01G

2

Remove cylinder head cover (1)

 Installation: Before installing the cylinder head covers, crank engine at the crankshaft in direction of rotation and check the timing of the engine. See: 

AR01.20-P-5014L

Check engine valve timing

AR05.10-P-6858L



*BA01.20-P-1001-01E

3

Position piston of cylinder 1 to 30° after ignition TDC

 Crank engine at crankshaft in direction of rotation of engine until 30° marking on belt pulley/vibration damper is aligned with marking on timing case cover. The marking (A) of the camshaft bearing cap (4) must be aligned with the marking (B) of the camshaft (8).

 Engine must not be cranked back.

4

Remove oil pump (2) for cylinder shutoff (CSO)

AR01.30-P-5704L



*BA01.30-P-1001-01G



*BA01.30-P-1003-01G

5

Remove front cover on right

AR01.30-P-5700L



*BA01.30-P-1001-01G



*BA01.30-P-1002-01G

6

Remove chain tensioner

AR05.10-P-7800L



*BA05.10-P-1001-01H

7

Install camshaft adjuster (7)

 Removal: Mark camshaft adjuster and timing chain to each other with colored dots.

AR05.20-P-7201L

 Installation: Fit timing chain onto camshaft adjuster. Take off retaining clamp.

 Retaining clamp

*137589004000

Holding device

*137589014000



*BA05.20-P-1001-01E



*BA05.20-P-1002-01E

8

Remove cylinder shutoff valves (3)

 Installation: Center cylinder shutoff valves on camshaft bearing caps so as to ensure a proper seal to the cylinder head cover.

AR01.30-P-5705L



*BA05.20-P-1004-01E



*BA05.20-P-1005-01E

9

Remove camshafts (8)

AR05.20-P-6992L

10

Remove camshaft bearing bridge (9)

 Installation: The camshaft bearing bridge must not be disassembled. When carrying out repairs, the camshaft bearing bridge or rocker arm bearing bridge of the relevant cylinder head must be replaced complete.
If the camshaft or rocker arm bearing bridge of the left cylinder head is replaced, the camshaft must likewise be replaced.

 Installation: Position camshaft bearing bridge into dowel pins (10).



*BA05.20-P-1003-01E



*BA05.20-P-1004-01E

11

Install in the reverse order

Number

Designation

Engine
137

BA01.20-P-1001-01E

Cylinder head cover bolt

Stage 1

Nm

8

Stage 2

°

-

Number

Designation

Engine 137

BA01.30-P-1001-01G

Right front cover to cylinder head

M6

Nm

8

BA01.30-P-1002-01G

Bolt, guide pulley to front cover on right

M8

Nm

30

BA01.30-P-1003-01G

Secondary-oil pump for cylinder shutoff to left cylinder head

M6

Nm

8

Number

Designation

Engine
137

BA05.10-P-1001-01H

Chain tensioner in cylinder head

Nm

120

Number

Designation

Engine 137

BA05.20-P-1001-01E

Bolt for left camshaft adjuster

M14 x 80

Stage 1

Nm

120

Stage 2

°

90

BA05.20-P-1002-01E

Bolt for right camshaft adjuster

M14

Stage 1

Nm

120

Stage 2

°

90

BA05.20-P-1003-01E

Bolt connecting camshaft bearing cap to cylinder head

Stage 1

Nm

1.5

Stage 2

Nm

14

BA05.20-P-1004-01E

Bolt connecting camshaft bearing bridge to cylinder head

M7x85

Nm

14

BA05.20-P-1005-01E

Bolt connecting camshaft bearing bridge to cylinder head

M7x110

Nm

14

Number

Designation

Engine 137

BA09.20-P-1001-01G

Bolt, intake manifold to cylinder head

Stage 1

M6

Nm

8

M8

Nm

20

Stage 2

M6

Nm

8

Stage 3

M6

 °

90