1997 MERCEDES-BENZ ML320 Complete Repair Manual

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Page 2289 of 4133

MERCEDES-BENZ ML320 1997 Complete Repair Manual Engine lubrication
Engine lubrication
Engine lubrication
113.948/966
BA01.45-P-1003-
01BOil drain screw
to oil panM14Nm3030
NumberDesignationEngine 112
except
112.916/953/975Engine

Page 2290 of 4133

MERCEDES-BENZ ML320 1997 Complete Repair Manual REMOVE/INSTALL ROCKER ARMS - AR05.20-P-2340AU
ENGINE 112
ENGINE 113 except CODE (479) Cylinder shutoff
ENGINE 112.945 in MODELS 463.209 /232 /233 /244 /245 /250
ENGINE 113.962 in MODELS

Page 2291 of 4133

MERCEDES-BENZ ML320 1997 Complete Repair Manual Removing
1Remove camsha ft bearing
bridge
Pay attention to slackening diagram.
All models except 171.473, 164.175, 251.075/175,
219.375/376AR05.20-P-
7103AU
Model 164.175AR05.20-P-
7103GZ
Mod

Page 2292 of 4133

MERCEDES-BENZ ML320 1997 Complete Repair Manual Camshaft
Camshaft
6Install 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 ai r warming ca

Page 2293 of 4133

MERCEDES-BENZ ML320 1997 Complete Repair Manual Camshaft
Fig. 53: Identifying Extraction Drift (112 589 00 15 00)
981/982/984/
986/992/995
BA05.20-P-
1002-01BBolt,
camshaft
bearing
bridge to
cylinder headM7x45Stage 1Nm1515
Stage 2Angle

Page 2294 of 4133

MERCEDES-BENZ ML320 1997 Complete Repair Manual 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/I

Page 2295 of 4133

MERCEDES-BENZ ML320 1997 Complete Repair Manual Shown on engine 112 1 Drift punch
Fig. 57: Identifying Rocker Arm Shaft Components
- Shown On Engine 112
Removing
1Remove camshaft
bearing bridge
Engines 112, 113 except engine s 113.967

Page 2296 of 4133

MERCEDES-BENZ ML320 1997 Complete Repair Manual i040*WH58.30-Z-
1003-28A
3Place 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, th ere is a danger of

i040*WH58.30-Z-
1003-28A
3Place 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, th ere is a danger of distorting the
camshaft bearing bridge and da maging 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 spindl es (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 cl othing 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
8Cool the rocker arm
spindle (3)
9
Place heated camshaft
bearing bridge on board
(4) Fig. 56
10Install 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.

11Align the rocker arm
spindle (3)
In order to align and secure the rocker arm spindle (3), fit
two screws through the mount ing 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 /993AR05.20-P-
7103AU
Engine 113.993 in model 463AR05.20-P-
7103GX

2004 Mercedes-Benz ML350
1998-2005 ENGINE Engine timing - 163 Chassis
me
Saturday, October 02, 2010 3:39:38 PMPage 55 © 2006 Mitchell Repair Information Company, LLC.

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