Mercedes-Benz ML320. Manual — part 450
Fig. 69: Identifying Tapped Hole Device
Remove,
Install
1
Remove
cylinder
head
cover
Air cleaner located at vehicle side.
Air cleaner located at engine side.
AR01.20-
P-5014B
AR01.20-
P-
5014BV
2
Remove
spark
plugs
Model 463.206/209/ 232/233/240/241/243/244/245/ 246/247/248/249 /250/254 AP15.10-
P-
1580GA
Model 220, 230.474/475, 211.061/065/070
AP15.10-
P-
1580AB
Model 170, 202, 203, 208, 209, 210
AP15.10-
P-1580A
Model 129
AP15.10-
P-
1580AC
Model Series 163
AP15.10-
P-
1580GH
3
Position
2001 Mercedes-Benz ML320
1998-2005 ENGINE Complete engine - 163 Chassis
me
piston of
relevant
cylinder
to 20° -
30°
before
TDC
Inlet valve and exhaust valve of the relevant cylinder must be closed.
4
Remove
cylinder
head
Model 230.474 with Engine 113.992 replace cylinder head if spark plug
thread is faulty.
It is then only necessary to remove the cylinder head if it is not possible to
insert the thread tap unit into the spark plug thread for space reasons!
Model
463.206 /209 /232 /233 /240 /241 /243 /244 /245 /246 /247 /248 /249 /250 /254.
AR01.30-
P-
5800GV
Model 202, 208, 210 with Engine 113 and Model 129 with Engine 112, 113
AR01.30-
P-5800B
Model 220 with Engine 112, 113 and Model 210, 170, 202, 208 with Engine
112, 230.474/475
AR01.30-
P-
5800BA
Model 203, 209, 211.061/065 /070
AR01.30-
P-
5800PV
Model Series 163
AR01.30-
P-
5800MV
5
Tap
thread in
spark
plug
hole and
screw in
threaded
insert
Pack the swarf grooves of the combination thread tap with grease for
bonding the swarf. Blow out cylinder and spark plug thread with compressed
air before screwing in the threaded insert.
AR01.30-
P-5440-
01B
Fig. 62
6
Crank
engine
with
starter.
If the cylinder head was not removed, the engine must be cranked several
times with the starter.
All Models except Model 203, 209 Model 203, 209
AR01.10-
P-0110V
AR01.10-
P-
0110PV
7
Caulk
threaded
insert
AR01.30-
P-5440-
02B
8
Install in
the
reverse
order
2001 Mercedes-Benz ML320
1998-2005 ENGINE Complete engine - 163 Chassis
me
Fig. 70: Identifying Heli-Coil Repair Set (102 589 00 99 00)
CHECKING CYLINDER HEAD BOLTS - AR01.30-P-5800-03B
Cylinder head/Cylinder head bolts
Cylinder head/cylinder head bolts
1. Measure length (L) of cylinder head bolts.
If the length (L) exceeds the maximum permissible dimension then the cylinder head bolts must be replaced.
Number
Designation
Engines
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/
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-
1001-04B
Cylinder head
bolt
Thread diameter
M 11
11
Length (L) when
new
mm 141.5
141.5
Length (L)
mm < or = 144.5
< or = 144.5
See picture
AR01.30-P-
5800-03B
AR01.30-P-
5800-03B
Number
Designation
Engine 113.989
BE01.30-P-1001-
04B
Cylinder head bolt
Thread diameter
M 11
Length (L) when
new
mm 141.5
Length (L)
mm < or = 144.5
See picture
AR01.30-P-5800-
03B
2001 Mercedes-Benz ML320
1998-2005 ENGINE Complete engine - 163 Chassis
me
Fig. 71: Identifying Length Of Cylinder Head Bolts
TIGHTENING INSTRUCTIONS FOR CYLINDER HEAD BOLTS - AR01.30-P-5800-07B
Cylinder head
Cylinder head
Number
Designation
Engines
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
Engine
113.987/
988
Engine
113.987/
991/992/
993/995
BA01.30-P-
1001-01D
Bolt,
cylinder
head to
crankcase
Stage 1
Nm
10
10
10
10
Stage 2
Nm
30
30
30
30
Stage 3
Angle °
90
90
90
90
Stage 4
Angle °
90
90
90
90
Number
Designation
Engine 113.989 Engine 113.964
BA01.30-P-
1001-01D
Bolt, cylinder
head to
crankcase
Stage 1
Nm
10
10
Stage 2
Nm
30
30
Stage 3
Angle °
90
90
Stage 4
Angle °
90
90
2001 Mercedes-Benz ML320
1998-2005 ENGINE Complete engine - 163 Chassis
me
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