Page 2425 of 4133

Crankcase ventilation, cylinder head cover
Fuel rail
Fuel rail
Fig. 60: Identifying Double Open
-End Wrench (110 589 01 01 00)
engine
Run engine and inspect
for leaks
NumberDesignation
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/ 973/975/976Engines 113.940/
941/942/943/ 944/948/960/
961/962/963/ 964/965/966/
967/968/969/ 971/980/981/
982/984/986/ 992/995
Engines
113.987/988/
990/991/993
BA01.20-
P-1001-
01EScrew of
cylinder
head cover
Nm8108
BA01.20-
P-1002-
01E
Bolt of
ignition
coils to
cylinder
head cover
Nm888
NumberDesignationEngine 112 except
112.945/951/ 960/961Engine
112.945Engines 112.960/
961 AMG
BA07.52-P-
1001-01ADisconnect fuel feed
line at fuel railNm383835
NumberDesignationEngine
113.987Engines
113.990/
991Engine
113.992/
993/995Engines 113.940/941/ 942/943/944/
945/946/948/ 960/961/962/
963/964/965/ 966/967/968/
969/971/980/ 981/982/984/ 986/988
BA07.52-P-
1001-01ADisconnect fuel
feed line at fuel
rail
Nm38383838
2001 Mercedes-Benz ML320
1998-2005 ENGINE Complete engine - 163 Chassis
me
Saturday, October 02, 2010 3:17:56 PMPage 69 © 2006 Mitchell Repair Information Company, LLC.
Page 2426 of 4133
Fig. 61: Identifying Pressure Hose (119 589 04 63 00)
TAP THREAD IN SPARK PLUG HOLE AND SCRE W IN THREADED INSERT - AR01.30-P-5440-01B
Fig. 62: Identifying Heli-Coil Repair Set (102 589 00 99 00)
1. Remove pilot bushing (1) of tapped hole device .
2. Fill the swarf grooves of the combination tap (4) with grease for bonding the swarfs.
3. Cut combination tap (4) into corresponding spark pl ug thread. Screw in combination tap (4) until the
guide tube (3) is seated and forms a fully compress with the stop ring (2).
Screw out after 5 revolutions on removed cylinder head combination tap (4), clean the swarf grooves
from swarfs and grease, refi ll with grease and finish cutting thread. After cutting.
Blow out spark plu
g thread and cylinder with compressed air.
2001 Mercedes-Benz ML320
1998-2005 ENGINE Complete engine - 163 Chassis
me
Saturday, October 02, 2010 3:17:56 PMPage 70 © 2006 Mitchell Repair Information Company, LLC.
Page 2427 of 4133
Fig. 63: Identifying Pilot Bushing, Stop Ring, Guide Tube And Combination Tap
4. Select heli-coil threaded inse rt (8) with block length 10.2 mm.
5. Insert threaded insert (8) with primary pump drive pointing in direction of prestessing cartridge (16) in
the installation tool (13) (arrow).
6. Screw in threaded insert (8) flush to prestessing cartridge (16) (arrow).
Fig. 64: Identifying Installation T ool, Threaded Insert And Cartridge
7. Position HC-installat ion tool on tapped hole
2001 Mercedes-Benz ML320
1998-2005 ENGINE Complete engine - 163 Chassis
me
Saturday, October 02, 2010 3:17:56 PMPage 71 © 2006 Mitchell Repair Information Company, LLC.
Page 2428 of 4133
8. Hold jacket sleeve (5)
9. Rotate screw-in spindle (6) until the stop ring (7) is pos itioned on the jacket sleeve (5). Slightly turn back
a clamping jacket sleeve when screwing-in.
Fig. 65: Identifying Jacket Sleeve, Spindle And Stop Ring
10. Insert sleeve (9) via primary pum p drive of HELI-COIL insert
11. Guide open pliers to the marking in the sleeve (9) and fix with primary pump drive
12. Close pliers , the serrated lock of pliers must latch.
13. Rotate sleeve (9) toward left as far as the stop and hold
14. Dismount primary pump drive, to do so move pliers slightly up and down.
Remove with a ma
gnet the primary pump drive which had fallen onto the piston crown!
2001 Mercedes-Benz ML320
1998-2005 ENGINE Complete engine - 163 Chassis
me
Saturday, October 02, 2010 3:17:56 PMPage 72 © 2006 Mitchell Repair Information Company, LLC.
Page 2429 of 4133
Fig. 66: Identifying Sleeve & Pliers
CAULK THREADED INSE RT - AR01.30-P-5440-02B
Fig. 67: Identifying Heli-Coil Repair Set (102 589 00 99 00)
1. Grease caulk drift, screw into installed HELI-COI L insert and tighten with a torque of approx. 25-30
Nm.
2001 Mercedes-Benz ML320
1998-2005 ENGINE Complete engine - 163 Chassis
me
Saturday, October 02, 2010 3:17:56 PMPage 73 © 2006 Mitchell Repair Information Company, LLC.
Page 2430 of 4133
Fig. 68: Identifying Caulk Drift
REPAIRING SPARK PLUG THREAD - AR01.30-P-5440BV
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
2001 Mercedes-Benz ML320
1998-2005 ENGINE Complete engine - 163 Chassis
me
Saturday, October 02, 2010 3:17:56 PMPage 74 © 2006 Mitchell Repair Information Company, LLC.
Page 2431 of 4133
Fig. 69: Identifying Tapped Hole Device
Remove,
Install
1Remove
cylinder
head
coverAir cleaner located at vehicle side.
Air cleaner located at engine side.AR01.20-
P-5014B
AR01.20-
P-
5014BV
2Remove
spark
plugs
Model 463.206/209/ 232/233/240/241/243/ 244/245/ 246/247/248/249 /250/254AP15.10-
P-
1580GA
Model 220, 230.474/475, 211.061/065/070AP15.10-
P-
1580AB
Model 170, 202, 203, 208, 209, 210AP15.10-
P-1580A
Model 129AP15.10-
P-
1580AC
Model Series 163AP15.10-
P-
1580GH
3Position
2001 Mercedes-Benz ML320
1998-2005 ENGINE Complete engine - 163 Chassis
me
Saturday, October 02, 2010 3:17:56 PMPage 75 © 2006 Mitchell Repair Information Company, LLC.
Page 2432 of 4133

piston of
relevant
cylinder
to 20° -
30°
before
TDC Inlet valve and exhaust valve of th e relevant cylinder must be closed.
4Remove
cylinder
head Model 230.474 with Engine 113.992 repla ce 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, 113AR01.30-
P-5800B
Model 220 with Engine 112, 113 and Model 210, 170, 202, 208 with Engine
112, 230.474/475AR01.30-
P-
5800BA
Model 203, 209, 211.061/065 /070AR01.30-
P-
5800PV
Model Series 163AR01.30-
P-
5800MV
5Tap
thread in
spark
plug
hole and
screw in
threaded
insert Pack the swarf grooves of the combin ation 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
6Crank
engine
with
starter. If the cylinder head was not removed, the engine must be cranked several
times with the starter.
All Models except Mode l 203, 209 Model 203, 209AR01.10-
P-0110V
AR01.10-
P-
0110PV
7Caulk
threaded
insert AR01.30-
P-5440-
02B
8Install in
the
reverse
order
2001 Mercedes-Benz ML320
1998-2005 ENGINE Complete engine - 163 Chassis
me
Saturday, October 02, 2010 3:17:56 PMPage 76 © 2006 Mitchell Repair Information Company, LLC.