1997 MERCEDES-BENZ ML320 engine

28Unscrew bolts,
cylinder head -->
timing case cover
(20) *BA01.40-P-
1002-01C
29Slacken cylinder
head bolts (21) in
stages, unscrew Slacken cylinder head bolts according to
loosening pattern only once the engine has
cooled down, in order to avoid that the cylinder
head warps.AR01.30-P-5800-
09B
Installation: Observe tightening pattern and
tightening instructions of cylinder head bolts.
Oil thread and head cont act surface of cylinder
head bolts.AR01.30-P-5800-
07B
Screwdriver insertFig. 72
Screwdriver insertFig. 73
*BA01.30-P-
1001-01D
30Remove cylinder
head Installation: On Engine 112/113 observe
porous points in the le ft and right cylinder
head. If porous points are present, sealant must
be applied to the cylinder head gasket.
Notes on application
of sealant to cylinder
head gasket.Engine 112, 113AH01.30-P-1000-
04VA
The sealant must be applied within 10
minutes.
Loctite 5900 sealant.*BR00.45-Z-
1013-01A
31
Inspect version of
cylinder head gasket
Information for
assigning the
cylinder head gasketsAssignment of cylinder head gasket
Engine 112, 113AH01.30-P-1000-
06V
32Check cylinder head
bolts (21) AR01.30-P-5800-
03B
*BE01.30
-P-
1001-04B
33Clean sealing
surfaces, check for
cracks, shrink holes
and flatness, clean
bolt holes Pay attention to dowel sleeves (26) for
locating the cylinder head.
Sealing surfaces of crankcase and cylinder
head are provided with an 0.8 mm thick
silicone layer during se ries production. Silicone
sealant is applied in the gasket area when
carrying out repairs only if shrink holes are
present.
The sealant must be applied within 10
minutes.
*BR00.45-Z-

2001 Mercedes-Benz ML320
1998-2005 ENGINE Complete engine - 163 Chassis
me
Saturday, October 02, 2010 3:17:57 PMPage 89 © 2006 Mitchell Repair Information Company, LLC.

Cylinder head/cyl inder head bolts
Loctite 5900 sealant.1013-01A
34Install in the reverse
order

35Risk of accident
caused by vehicle
starting off by itself
when engine is
running. Risk of
injury caused by
contusions and burns
during starting
procedure or when
working near the
running engine
Run engine and
inspect for leaksSecure vehicle to prev ent it from moving by
itself.
Wear closed and snug-fitting work clothes.
Do not grasp hot or rotating parts.AS00.00-Z-0005-
01A
36Inspect cooling
system for leaks Warm up engine to operating temperature
and then inspect cooling system or leaks.AR20.00-P-
1010HA
37Read fault memory,
erase. Stored faults which can result from cables
being disconnected or from simulation during
removal and installation or test work, have to
be processed and erased in the fault memories
after completing the work: ?
Diagnosis Manual Volume 2 Index 0:
Connecting and using test equipment.
NumberDesignation
Engine
112.910/911/
912/913/914/
915/916/917/
920/921/922/
923/940/941/
942/943/944/
945/946/947/
949/951/953/
954/955/960/
961/970/972/
973/975/976Engines
113.940/941/
942/943/944/
945/946/948/
960/961/962/
963/964/965/
966/967/968/
969/971/980/
981/982/984/
986/987/988/
990/991/992/
993/995
BE01.30-P-
1001-04BCylinder head
boltThread diameterM1111
Length (L) when
newmm141.5141.5
Length (L)mm< or = 144.5< or = 144.5
See pictureAR01.30-P-
5800-03B
AR01.30-P-
5800-03B

2001 Mercedes-Benz ML320
1998-2005 ENGINE Complete engine - 163 Chassis
me
Saturday, October 02, 2010 3:17:57 PMPage 90 © 2006 Mitchell Repair Information Company, LLC.

Cylinder head
Crankcase, timing case cover, end cover
Camshaft
Camshaft
NumberDesignation
Engine
112.910/911/
912/913/914/
915/916/917/
920/921/922/
923/940/941/
942/943/944/
945/946/947/
949/951/953/
954/955/960/
961/970/972/
973/975/976
Engines
113.940/941/
942/943/944/
948/960/961/
962/963/965/
966/967/968/
969/971/980/
981/982/984/
986
BA01.30-P-
1001-01DBolt, cylinder
head to
crankcaseStage 1Nm1010
Stage 2Nm3030
Stage 3Angle °9090
Stage 4Angle °9090
NumberDesignation
Engine 112
except 112.951/
976
Engine 112.951/
976
Engines
113.940/941/
942/943/944/
945/946/948/
960/961/962/
963/964/965/
966/967/968/
969/971/980/
981/982/984/
986/992/995
BA01.40-P-
1002-01CBolt, cylinder
head to timing
case coverNm202020
NumberDesignation
Engine 112
except
112.951/976
Engine
112.951/ 976
BA05.20-P-
1001-01BBolt, camshaft
sprocketM12 x 45Stage 1Nm5050
Stage 2Angle °9090
Engines
113.940/941/
942/943/944/
948/961/962/

2001 Mercedes-Benz ML320
1998-2005 ENGINE Complete engine - 163 Chassis
me
Saturday, October 02, 2010 3:17:57 PMPage 91 © 2006 Mitchell Repair Information Company, LLC.

Fuel rail
Fuel rail
Exhaust manifold
NumberDesignation
963/964/965/
966/967/968/
969/971/980/
981/982/984/
986/992/995
BA05.20-P-
1001-01BBolt, camshaft
sprocketM12 x 45Stage 1Nm50
Stage 2Angle °90
NumberDesignation
Engine 112 except
112.945/951/ 960/961
BA07.52-P-1001-01ADisconnect fuel feed line
at fuel railNm38
NumberDesignation
Engines
113.940/941/942/943/944/945/946/948/960/961/ 962/963/964/965/966/967/968/969/9
7
BA07.52-
P-1001-
01ADisconnect
fuel feed
line at fuel
railNm38
NumberDesignation
Engine
112
except
112.951/
976
Engines 113.940/941/ 942/ 943/944/ 945/946/948/
960/961/962/963/964/965/966/967/968/ 969/971/980/981/982/984/986/992/
9
BA14.10-
P-1002-
01BFlange
connection,
exhaust
manifold
and front
exhaust
pipesNm2020

2001 Mercedes-Benz ML320
1998-2005 ENGINE Complete engine - 163 Chassis
me
Saturday, October 02, 2010 3:17:57 PMPage 92 © 2006 Mitchell Repair Information Company, LLC.

Fig. 83: Identifying External Torx Set (001 589 76 09 00)
Fig. 84: Identifying Torx Bit Set (000 589 01 10 00)
Fig. 85: Identifying Locating Plate (112 589 00 32 00)

Fig. 86: Identifying Locating Plate (112 589 01 32 00)

Fig. 87: Identifying Open End Wrench (112 589 00 01 00)

2001 Mercedes-Benz ML320
1998-2005 ENGINE Complete engine - 163 Chassis
me
Saturday, October 02, 2010 3:17:57 PMPage 93 © 2006 Mitchell Repair Information Company, LLC.

Fig. 88: Identifying Insertion Tool (112 589 01 03 00)
Fig. 89: Identifying Screwdr iver Insert (000 589 03 10 00)

Fig. 90: Identifying Screwdr iver Insert (000 589 04 10 00)

Fig. 91: Identifying Pressure Hose (119 589 04 63 00)

2001 Mercedes-Benz ML320
1998-2005 ENGINE Complete engine - 163 Chassis
me
Saturday, October 02, 2010 3:17:57 PMPage 94 © 2006 Mitchell Repair Information Company, LLC.

Fig. 92: Identifying Torque Wrench (001 589 72 21 00)
Commercially available tools
Repair materials
SCREW DIAGRAM FOR TIMING CASE COVER - AR01.40-P-8000-01B
Assignment of bolts for timing case cover
Apply sealant at the bolts marked (arrows).
NumberDesignation
WH58.30-Z-1001-06A6 mm socket hexagon on flexible shaft for hose clamps with worm drive
WH58.30-Z-1002-06A7 mm socket hexagon on flexible shaft for hose clamps with worm drive
NumberDesignationOrder number
BR00.45-Z-1013-01ASealantA 003 989 98 20

2001 Mercedes-Benz ML320
1998-2005 ENGINE Complete engine - 163 Chassis
me
Saturday, October 02, 2010 3:17:57 PMPage 95 © 2006 Mitchell Repair Information Company, LLC.

Fig. 93: Identifying Timing Case C over Bolts & Bolts Needing Sealant
REMOVE/INSTALL TIMING CA SE COVER - AR01.40-P-8000B
ENGINE 112 in model 129, 163, 170, 202, 208, 210.061 /063 /065 /261 /263 /265 /663, 220
ENGINE 113 (except 113.991) in MODELS 129,163, 202, 208, 210, 215, 220, 230.475 /474 (except,
215.374,220.074/174)
Shown on engine 112 in model 210

2001 Mercedes-Benz ML320
1998-2005 ENGINE Complete engine - 163 Chassis
me
Saturday, October 02, 2010 3:17:57 PMPage 96 © 2006 Mitchell Repair Information Company, LLC.