Mercedes-Benz ML320. Service manual - part 416

 

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Mercedes-Benz ML320. Service manual - part 416

 

 

Shown on engine 112 1 Drift punch  

Fig. 57: Identifying Rocker Arm Shaft Components - Shown On Engine 112 

 Removing

 

 

1

Remove camshaft 
bearing bridge

Engines 112, 113 except engines 113.967/990 in models 219, 
engines 113.964 /971 /989 /993

AR05.20-P-
7103AU

Engine 113.993 in model 463

AR05.20-P-
7103GX

Engines 113.967/990 in model 219

AR05.20-P-
7103TY

Engine 113.964 in model 164

AR05.20-P-
7103GZ

Engine 113.971 in model 251

AR05.20-P-
7103RT

Engine 113.989 in model 171

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

Heat camshaft bearing 
bridge to approx. 150°
C

 Heat the camshaft bearing bridge uniformly, but do not 

heat it over 160°C; there is a danger of structural changes.

 

 i040

*WH58.30-Z-
1001-28A

 

2004 Mercedes-Benz ML350 

1998-2005 ENGINE Engine timing - 163 Chassis

  

me 

 

 i040

*WH58.30-Z-
1003-28A

3

Place camshaft bearing 
bridge on board (4)

 

Fig. 56

4

Remove the rocker arm 
spindle (3) by tapping 
gently with a hammer

 If it is tapped very hard, there is a danger of distorting the 

camshaft bearing bridge and damaging the hollow rocker arm 
spindle (3). 

 

Fig. 53

 Check 

 

 

5

Inspect bearing 
surfaces of rocker arms 
for damage

 Pay attention to any long score marks caused by the 

removal of the rocker arm spindles (3). Replace the rocker arm 
if damaged.

 

 Installing 

 

 

6

Insert the guide shafts 
into the camshaft 
bearing bridge.

 At the same time, preassemble the rocker arm on guide 

shaft.

 

 

Fig. 54

 

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
 

7

Heat camshaft bearing 
bridge to approx. 150°
C

 Heat the camshaft bearing bridge uniformly, but do not 

heat it over 160°C; there is a danger of structural changes.

 

 

WH58.30-Z-
1001-28A

 

*WH58.30-Z-
1003-28A

8

Cool the rocker arm 
spindle (3)

 

 

9

Place heated camshaft 
bearing bridge on board 
(4)

 

Fig. 56

10

Install rocker arm 
spindle (3)

 Insert the rocker arm spindle (3) in the camshaft bearing 

bridge by tapping gently with a hammer and simultaneously 
remove the guide shaft. Ensure that the rocker arms do not get 
jammed.

 

11

Align the rocker arm 
spindle (3)

 In order to align and secure the rocker arm spindle (3), fit 

two screws through the mounting bores in the camshaft 
bearing bridge. The oil supply bores of the rocker arm spindle 
(3) point towards the cylinder head.

 

Engines 112, 113 except engines 113.967 /990 in models 219, 
engines 113.964 /971 /989 /993

AR05.20-P-
7103AU

Engine 113.993 in model 463

AR05.20-P-
7103GX

 

2004 Mercedes-Benz ML350 

1998-2005 ENGINE Engine timing - 163 Chassis

  

me 

 

Fig. 58: Identifying Board (112 589 10 59 00) 

Fig. 59: Identifying Extraction Drift (112 589 00 15 00) 

Fig. 60: Identifying Guide Shaft (112 589 02 31 00)

12

Install camshaft bearing 
bridge

Engines 113.967/ 990 in model 219

AR05.20-P-
7103TY

Engine 113.964 in model 164

AR05.20-P-
7103GZ

Engine 113.971 in model 251

AR05.20-P-
7103RT

Engine 113.989 in model 171

AR05.20-P-
7103VT

 

2004 Mercedes-Benz ML350 

1998-2005 ENGINE Engine timing - 163 Chassis

  

me 

 

Fig. 61: Identifying Guide Shaft (112 589 03 31 00) 

Commercially available tools 

SET THE BASIC POSITION OF CAMSHAFTS - AR05.20-P-6020AU 

ENGINE 112  

ENGINE 112.945 in MODEL 463.209 /232 /233 /244 /245 /250  

ENGINE 113.962 in MODEL 463.206 /240 /241 /247 /248 /249 /254  

ENGINE 113.982 in MODEL 463.243/246  

ENGINE 113 (except 113.995) in MODEL 129, 163, 202, 203, 208, 209, 210, 211, 215, 220, 230  

Shown on engine 112  

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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