Mercedes-Benz ML320. Manual — part 415

Removing

1

Remove camshaft bearing
bridge

Pay attention to slackening diagram.

All models except 171.473, 164.175, 251.075/175,
219.375/376

AR05.20-P-
7103AU

Model 164.175

AR05.20-P-
7103GZ

Models 251.075/175

AR05.20-P-
7103RT

Models 219.375/376

AR05.20-P-
7103TY

Model 171.473

AR05.20-P-
7103VT

Risk of injury to skin and eyes
caused by handling hot or
glowing objects.

Wear safety gloves, protective clothing and safety
glasses, if necessary.

AS00.00-Z-
0002-01A

2

Remove the rocker arm
spindles (3)

If the rocker arm spindle (3) is not able to move

easily in its bearings (clamps), the camshaft bearing
bridge must be warmed up: ?

Warm up camshaft bearing bridge

AR05.20-P-
2350AU

Drift punch

Fig. 53

Support plate

Fig. 56

Recirculated air warming cabinet

*WH58.30-Z-
1001-28A

Heating oven

*WH58.30-Z-
1003-28A

3 Remove rocker arm (2)

Take out 15 mm dia. drift (1).

Install

4

Check bearing surfaces of
rocker arm (2) for damage

Pay attention to any long score marks caused by

the removal of the rocker arm spindles (3).
If damage is present ? Replace rocker arms (2).

5

Introduce guide shaft into
camshaft bearing bridge

At the same time preassemble the rocker arms (2)

on the guide shaft.

16 mm dia. guide shaft

Fig. 54

18 mm dia. guide shaft

Fig. 55

Risk of injury to skin and eyes
caused by handling hot or
glowing objects.

Wear safety gloves, protective clothing and safety
glasses, if necessary.

AS00.00-Z-
0002-01A

If the rocker arm spindle (3) cannot be easily
introduced into its bearings (clamps), the camshaft
bearing bridge must be warmed up: ?

Heat the camshaft bearing bridge and drive out the

AR05.20-P-

2004 Mercedes-Benz ML350

1998-2005 ENGINE Engine timing - 163 Chassis

me

Camshaft

Camshaft

6

Install the rocker arm spindles
(3)

guide shaft with the rocker arm spindle (3).

2350AU

Ensure that the rocker arms (2) do not get

jammed.

Recirculated air warming cabinet

*WH58.30-Z-
1001-28A

Heating oven

*WH58.30-Z-
1003-28A

7 Install camshaft bearing bridge

Observe tightening pattern.

All models except 171.473, 164.175, 251.075/175,
219.375/376

AR05.20-P-
7103AU

Model 164.175

AR05.20-P-
7103GZ

Models 251.075/175

AR05.20-P-
7103RT

Models 219.375/376

AR05.20-P-
7103TY

Model 171.473

AR05.20-P-
7103VT

*BA05.20-P-
1002-01B

*BA05.20-P-
1004-01B

Number

Designation

Engine 112 except
112.951/976

Engine
112.951/ 976

BA05.20-P-
1002-01B

Bolt,
camshaft
bearing
bridge to
cylinder head

M7x45 Stage 1

Nm

15

15

Stage 2

Angle°

-

-

BA05.20-P-
1004-01B

Bolt,
camshaft
bearing
bridge to
cylinder head

M7x84 Stage 1

Nm

10

10

Stage 2

Angle°

90

90

Number

Designation

Engines
113.940/941/
942/943/944/
948/961/962/
963/964/965/
966/967/968/
969/971/980/

Engine
113.960
without
code
479

2004 Mercedes-Benz ML350

1998-2005 ENGINE Engine timing - 163 Chassis

me

Camshaft

Fig. 53: Identifying Extraction Drift (112 589 00 15 00)

981/982/984/
986/992/995

BA05.20-P-
1002-01B

Bolt,
camshaft
bearing
bridge to
cylinder head

M7x45 Stage 1

Nm

15

15

Stage 2

Angle°

-

-

BA05.20-P-
1004-01B

Bolt,
camshaft
bearing
bridge to
cylinder head

M7x84 Stage 1

Nm

10

10

Stage 2

Angle°

90

90

Number

Designation

Engine
113.987/988/
990/993

Engine
113.989/

Engine
113.991

BA05.20-P-
1002-01B

Bolt,
camshaft
bearing
bridge to
cylinder
head

M7x45 Stage 1

Nm

8

8

8

Stage 2

Angle°

120

120

120

BA05.20-P-
1004-01B

Bolt,
camshaft
bearing
bridge to
cylinder
head

M7x84 Stage 1

Nm

8

8

8

Stage 2

Angle°

120

120

120

2004 Mercedes-Benz ML350

1998-2005 ENGINE Engine timing - 163 Chassis

me

Fig. 54: Identifying Guide Shaft (112 589 02 31 00)

Fig. 55: Identifying Guide Shaft (112 589 03 31 00)

Fig. 56: Identifying Board (112 589 10 59 00)

Commercially available tools

REMOVING/INSTALLING THE ROCKER ARM SHAFT - AR05.20-P-2350AU

ENGINE 112

ENGINE 113 (except 113.960)

ENGINE 113

ENGINE 113.960 except CODE (479) Cylinder shutoff

Number

Designation

WH58.30-Z-1001-28A

Recirculated air warming cabinet

WH58.30-Z-1003-28A

Heating oven

2004 Mercedes-Benz ML350

1998-2005 ENGINE Engine timing - 163 Chassis

me