MERCEDES-BENZ ML350 1997 Complete Repair Manual

Fig. 72: Identifying Insertion Tool (112 589 01 03 00)
Fig. 73: Identifying Torque Wrench (001 589 72 21 00)

REMOVE/INSTALL CAMSHAFT BE ARING BRIDGE - AR05.20-P-7103AU
ENGINE 113 (except 113.995) in MODEL 129, 163, 202, 203, 208, 209, 210, 211, 215, 220, 230
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

2004 Mercedes-Benz ML350
1998-2005 ENGINE Engine timing - 163 Chassis
me
Saturday, October 02, 2010 3:39:38 PMPage 70 © 2006 Mitchell Repair Information Company, LLC.

Fig. 74: Identifying Camshaft Bearing Bridge Components
Fig. 75: Identifying Sequence Of Rocker Arm Bolts (Engine 112)

Fig. 76: Identifying Sequence Of Rocker Arm Bolts (Engine 113)

2004 Mercedes-Benz ML350
1998-2005 ENGINE Engine timing - 163 Chassis
me
Saturday, October 02, 2010 3:39:38 PMPage 71 © 2006 Mitchell Repair Information Company, LLC.

Camshaft
Remove/install
1Remove
cylinder head
coverAir filter located at vehicle side.AR01.20-
P-5014B
Air filter located on engine side.AR01.20-
P-5014BV
2Position piston
of cylinder 1 at
40° after TDC Engine must not be cranked backwards.
Rotate engine at crankshaft in direct ion of rotation until 40° marking on belt
pulley/ vibration damper is aligned with marking on timing case cover.
Grooves in the camshafts must point towards the "inner V".AR05.10-
P-6858V
3Remove chain
tensioner (A)
Engine 112 in models 211.080/082/261/265 /280/282,
Engine 113 in model 211.083/270/283
Engine 112.945 in model 463.209/232/233 /244/245/250,
Engine 112 in models 163, 129,
Engine 113.962 in model 463.206/240/241 /247/248/249/254,
Engine 113 (except 113.965/981) in models 210, 208, 202, 163, 129,
Engine 113.982 in model 463.243/246AR05.10-
P-7800C
Engine 112 in models 170, 202, 203, 208, 209, 210,
Engine 113 in models 163.174/175, 209AR05.10-
P-7800CA
Engine 112 in models 211.061 /065, 220, 230.467,
Engine 113 in models 211.070/076/276,
215.373/374/375,220.070/073/074/075 /083/ 084/170/173/174/175/183/184/875,
230.474/475AR05.10-
P-
7800AM
4Remove
camshaft
bearing bridge Tie camshaft sprocket and timing ch ain together with a cable strap to
prevent the timing chain from skipping.
Slacken bolts in stages in the opposite sequence to the torquing pattern. (See
diagram)
Information on
installing
camshaft
bearing bridgeEngine 112/113 except cylinder shutoff code 479
Installation: Bolt, camshaft bearing bridge to cylinder head, engine 112,
113 except 113.969AH05.20-
P-2000-
01AV
*BA05.20-
P-1002-
01B
*BA05.20-
P-1004-
01B
5Install in the
reverse order
NumberDesignationEngine 112
except
112.951/976Engines
112.951/ 976
BA05.20-P- Bolt, camshaft M7x45Stage 1Nm158

2004 Mercedes-Benz ML350
1998-2005 ENGINE Engine timing - 163 Chassis
me
Saturday, October 02, 2010 3:39:38 PMPage 72 © 2006 Mitchell Repair Information Company, LLC.

Camshaft
Camshaft
REPLACE VALVE STEM SEALS - AR05.30-P-3500-02A
1002-01Bbearing bridge
to cylinder
headStage 2Angle°-120
BA05.20-P-
1004-01BBolt, camshaft
bearing bridge
to cylinder
head
M7x84Stage 1Nm108
Stage 2Angle°90120
NumberDesignationEngines
113.940/941/
942/943/944/
948/961/962/
963/964/965/
966/967/968/
969/971/980/
981/982/984/
986/992/995
BA05.20-P-
1002-01BBolt, camshaft
bearing bridge to
cylinder head
M7x45Stage 1Nm15
Stage 2Angle°-
BA05.20-P-
1004-01BBolt, camshaft
bearing bridge to
cylinder head
M7x84Stage 1Nm10
Stage 2Angle°90
NumberDesignationEngine
113.987/988/
990/993Engine
113.991
BA05.20-P-
1002-01BBolt, camshaft
bearing bridge
to cylinder
headM7x45Stage 1Nm88
Stage 2Angle°120120
BA05.20-P-
1004-01BBolt, camshaft
bearing bridge
to cylinder
head
M7x84Stage 1Nm88
Stage 2Angle°120120

2004 Mercedes-Benz ML350
1998-2005 ENGINE Engine timing - 163 Chassis
me
Saturday, October 02, 2010 3:39:38 PMPage 73 © 2006 Mitchell Repair Information Company, LLC.

Fig. 77: Identifying Pl iers (606 589 00 37 00)
Fig. 78: Identifying Drift (119 589 00 43 00)

Engine 111, 271
Shown on engine 111
1. Use pliers (1) to pull of f valve stem seals (86)
2. Check surface of valve stems for roughness and format ion of burrs (visual inspection or with a nail).
Replace valves with a rough stem surface or formation of burrs.
3. Fit protective sleeve (2) onto valve stem.
4. Oil valve stem seals (86).
5. Press on the valve stem seal s (86) with a drift (3).

2004 Mercedes-Benz ML350
1998-2005 ENGINE Engine timing - 163 Chassis
me
Saturday, October 02, 2010 3:39:38 PMPage 74 © 2006 Mitchell Repair Information Company, LLC.

Fig. 79: Identifying Replacem ent Of Valve Stem Seals - Shown On Engine 111
Engines 112, 113
Shown on Engine 112
1. Use pliers (1) to pull of f valve stem seals (86)
2. Check surface of valve stems for roughness and format ion of burrs (visual inspection or with a nail).
Replace valves with a rough stem surface or formation of burrs.
3. Fit protective sleeve (2) onto valve stem.
4. Oil valve stem seals (86).
5. Press on the valve stem seal s (86) with a drift (3).

2004 Mercedes-Benz ML350
1998-2005 ENGINE Engine timing - 163 Chassis
me
Saturday, October 02, 2010 3:39:38 PMPage 75 © 2006 Mitchell Repair Information Company, LLC.

Fig. 80: Identifying Replacem ent Of Valve Stem Seals - Shown On Engine 112
REMOVE/INSTALL VALVE SPRINGS AND / OR VALVE STEM SEALS - AR05.30-P-3500B
ENGINE 112.945 in MODELS 463.209 /232 /233 /244 /245 /250
ENGINE 112 in MODELS 129, 163
ENGINE 113.962 in MODELS 463.206 / 240 /241 /247 /248 /249 /254
ENGINE 113 in MODELS 129, 163, 202, 208, 210
ENGINE 113.982 in MODELS 463.243 /246

2004 Mercedes-Benz ML350
1998-2005 ENGINE Engine timing - 163 Chassis
me
Saturday, October 02, 2010 3:39:38 PMPage 76 © 2006 Mitchell Repair Information Company, LLC.

Fig. 81: Identifying Valve Springs And / Or Valve Stem Seal Components - Shown On Engine 112 In
Model 129
Shown on ENGINE 112 in MODEL 129

2004 Mercedes-Benz ML350
1998-2005 ENGINE Engine timing - 163 Chassis
me
Saturday, October 02, 2010 3:39:38 PMPage 77 © 2006 Mitchell Repair Information Company, LLC.

Fig. 82: Identifying Valve Springs And / Or Valve Stem Seal Components - Shown On Engine 112 (1 Of
2)
Shown on engine 112
Shown on engine 112

2004 Mercedes-Benz ML350
1998-2005 ENGINE Engine timing - 163 Chassis
me
Saturday, October 02, 2010 3:39:38 PMPage 78 © 2006 Mitchell Repair Information Company, LLC.

Fig. 83: Identifying Valve Springs And / Or Valve Stem Seal Components -Shown On Engine 112 (2 Of
2)
Remove/install
1Remove engine cover or
air filterRemove engine trim
panel or air filter by
pulling it vertically up
and off the cylinder head
covers.
2Remove viscous fan (1) Right-hand thread!AR20.40-P-5660C
3Fan shroud (2) On model 163
unscrew bolts at bottom
of fan shroud.
Models 163.AR20.40-P-5000GH
Model 463.AR20.40-P-6800V
4Remove poly-V-belt (3) Installation: Lock
tensioning device with a
drift or pin (diameter 5
mm).AR13.22-P-1202B
5Remove cylinder head
covers (6)Air filter located at
vehicle side.AR01.20-P-5014B
Air filter located on
engine side.AR01.20-P-5014BV
6
Remove spark plugs (8)Only one spark plug at
each cylinder.
Models 163.AP15.10-P-1580GH
Models 129, 202, 208,
210.AP15.10-P-1580A
Model 463.AP15.10-P-1580GA
7Remove intake manifold
(7) The intake manifold
system must not be
disassembled.
Remove intake
manifold together with
fuel rail.
Models 129, 163, 202,
208, 210.AR09.20-P-1310A
Model 463.AR09.20-P-1310AG
8Position crankshaft to 40°
after ignition TDC of
cylinder 1 Engine must not be
cranked back!AR05.10-P-6858V
9Remove chain tensioner
(5) AR05.10-P-7800C
10Remove camshaft AR15.10-P-2000A

2004 Mercedes-Benz ML350
1998-2005 ENGINE Engine timing - 163 Chassis
me
Saturday, October 02, 2010 3:39:38 PMPage 79 © 2006 Mitchell Repair Information Company, LLC.