Mercedes-Benz ML320. Service manual - part 415

 

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Mercedes-Benz ML320. Service 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 

 

 

 

 

 

 

 

 

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