air filter MERCEDES-BENZ ML320 1997 Complete Workshop Manual

Fig. 59: Identifying Cylinder Head Cover Remove/Install Component - Shown On Engine 112.945
Remove/install
1.1Remove engine trim panel
with integrated air filter
(1) Unclip covering on front side
of engine. Remove air filter by
pulling vertically up and off the
cylinder head covers.
1.2Remove air filterModel 170.466
Model 203.065/265,
Model 211.076/276,
Models 215.374, 220.074/174,
Model 230.474AR09.10-P-1150SVK
2.1Unscrew the guide tube of
the automatic
transmission oil dipstickexcept models 170
Models 203, 209.375,
Model 208
Models 211.061/065/070,
Model 230.475
3Detach right ignition coils
(4), left ignition coils (5)
on right cylinder head
cover (2) and left cylinder
head cover (3)Except engines
112.911/914/915/917/954,
Engine 113.969AR15.12-P-2003A
*BA01.20-P-1002-01E
4Disconnect spark plug
connectors Installation: Observe
marking for spark plug
connectors on the cylinder head
covers and ignition coils.

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1998-2005 ENGINE Complete engine - 163 Chassis
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Engine 112 in model 208,
Engine 112, 113, 612.963, 628.963 in model
163,
Engines 112.923/943, 113.961 in model 129,
Engines 137, 275 in models 215, 220,
Engines 613.960, 628.960 in model 220,
Engine 113.992 in model 230.474,
Engine 271 in MODELS 209, 203,
Engine 285.950 in models 240.078 /178,
Engine 612.967 in model 209.316,
Engine 648 in model 220 Engine 112.951 in
model
639.601/603 /605 /701 /703 /705 /801 /803 /805
Engine 646.983 /984 in model
639. /605 /701 /703/705/801 /803/805
Engine 646.982 in model
639.601 /603 /605 /701 /703 /705
9Remove air filter
housing (5).
10Remove air intake
pipe (6) with
resonance body (7) For this step separate connector of hot film
mass air flow sensor (HFM) and unscrew air
intake pipe at cylinder head cover.
The air intake pipe is attached to the rear of
the intake manifold with a plastic strap.
Do not damage the plastic strap.
Engines 112.942/970AR07.07-P-
1454A
Engines 113.942/965/981AR07.07-P-
1454MV
Risk of explosion
caused by fuel
igniting, risk of
poisoning caused by
inhaling and
swallowing fuel as
well as risk of
injury to eyes and
skin caused by
contact with fuel.No fire, sparks, open flames or smoking.
Pour fuels only into suitable and appropriately
marked containers.
Wear protective clothing when handling fuel.AS47.00-Z-0001-
01A
11Disconnect fuel line
at fuel rail Release fuel pressure at service valve.
Collect fuel!
Engine 112: ?
*BA07.52-P-
1001-01A
Engine 113: ?

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TDC on first cylinder Rotate engine at cra nkshaft in direction of
rotation until 40° marking on belt pulley/
vibration damper is al igned with marking on
timing case cover.
The grooves on the camshafts must be pointing
toward the inner V.
23Lock camshafts with
locating plate Locating plateFig. 85
Locating plateFig. 86
24Remove chain
tensioner (17)Model 163.154 /157 with Engine 112.942 /970,
model 163.172 with Engine 113.942.AR05.10-P-
7800C
Model 163.174/175 with Engine 113.981 /965.AR05.10-P-
7800CA
25.1Remove oil filter
housing (18) with
oil/water heat
exchangerEngine 113.942.AR18.20-P-
3471B
Engines 113.965/981.AR18.20-P-
3471BA
26Remove camshaft
sprockets (19) If the camshaft sprockets are removed, the
engine must no longer be cranked otherwise the
timing chain might jam.
Engines 113.942 /965/981: ?
Tie timing chain tight on both camshaft
sprockets with cable straps.
Engine 112.942 /970: ?
Right-hand camshaft sprocket:
Tie timing chain tight on camshaft sprocket
with cable strap.
Left-hand camshaft sprocket:
Mark camshaft sprocket to timing chain and
remove camshaft sprocket.
It is not possible for the timing chain to
jump across at the crankshaft and balancing
shaft.
After installation: ?

Inspect basic positi on of camshafts.
If necessary after checking: ?AR05.10-P-
6858V
Set the basic position of camshafts.AR05.20-P-
6020AU
Open-end wrenchFig. 87
Insertion toolFig. 88
Torque wrenchFig. 92
*BA05.20-P-
1001-01B
27Remove camshaft
bearing bridges (28) Observe slackening and tightening pattern!AR05.20-P-
7103AU

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Engine 113.963 in models 230.475
Engine 112.947 in model 170.465AR20.00-P-
1142SV
Engine 112.960 in model 170.466
4.1Remove engine
cover with
integrated air
filterModel 129
Type 170.465
Model 202.033/ 093
Model 208.370 /374 /470
Model 220
Type 230.475
Unclip covering on front si de of engine. Remove the
engine cover with integrated air filter from the cylinder
head covers vertically in the upward direction.
4.2Remove air filterEngine 112.960 in model 170.466
Engine 113.992 in model 230.474AR09.10-P-
1150SVK
5.1Remove viscous
fan clutch (1)Engine 112 in model 210, 202, 129
Engine 112 in model 163.154 /157
Engine 113 in model 210, 208, 202, 129
Engine 113 in model 163.172
Right-hand thread!AR20.40-P-
5660C
6.1Remove heater
unitModel 170.465 with retrofitted stationary heater Thermo
Top C.AR83.70-P-
5302NB
7.1Remove fan
shroud (3)Engine 113 in model 215
Engine 112 in model 220
Engine 113 in model 220
Engine 113.963 in models 230.475
Engine 113.992 in model 230.474AR20.40-P-
6800AB
7.2Remove electric
fan Model 163 unscrew bolts at bottom of fan shroud.
Engine 113.965 in model 163.175AR20.40-P-
5000GH
Engine 113.981 in model 163.174
Engine 112.947 in model 170.465AR20.40-P-
5000SV
Engine 112.960 in model 170.466
8Attach guard
plate for radiator /
condenser
Guard plate for
radiator /
condenserEngines 112, 113, 137, 271, 272, 275, 285, 602, 604, 605,
606, 611, 612, 613, 628, 648WF58.50-P-
0110-01A
9.1Remove poly-V-
belt for
superchargerEngine 113.992 in model 230.474AR13.21-P-
1202RVK
9.2Remove poly V-
belt (2)ENGINE 112 in models 129, 163AR13.22-P-
1202B

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Engine 113 in model 129, 202, 208, 210
Engine 113 (except 113.965 /981) in model 163
Engine 112 in model 202, 208, 210AR13.22-P-
1202BA
Engine 112 in model 220
Engine 113 in model 215.373 /375
Engine 113 in models
220.070 /073 /075 /083 /084 /170 /173 /175 /183 /184 /875
Engine 113.965 in model 163.175
Engine 113.981 in model 163.174
Engine 113.984 in model 208.374 /474
Engine 113.963 in models 230.475AR13.22-P-
1202R
Engine 113.992 in model 230.474
Engine 112.947 in model 170.465AR13.22-P-
1202SV
10Remove cylinder
head covers (6)Engine 112, 113 air filter located on vehicle sideAR01.20-P-
5014B
Engine 112, 113 air filter located on engine sideAR01.20-P-
5014BV
11Detach coolant
line (17, 18) from
coolant pump
(12).
12Detach coolant
line (16) at
thermostat
housing (13).
13Dismount
refrigerant
compressor (A9) Place to the side with lines connected.

*BA83.55-P-
1001-01A
14.1Remove
alternator (G2)Engine 113.963 in models 230.475
Engine 113.992 in model 230.474AR15.40-P-
5032R
15.1Remove ATF line
bracket (23).Model 230
15.2Detach ATF line
from front axle
carrierModel 163
16Remove oil pan
bottom section (9)Engine 112.942 in model 163.154AR01.45-P-
7555V
Engine 112.970 in model 163.157
Engine 113.942 in model 163.172
Engine 113.965 in model 163.175AR01.45-P-
7555VE

2001 Mercedes-Benz ML320
1998-2005 ENGINE Complete engine - 163 Chassis
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20Remove poly-V-
belt tensioning
device (5)Engine 112 in models 129, 163AR13.25-P-
3200B
Engine 113 in model 129, 202, 208, 210
Engine 113 (except 113.965 /981) in model 163
Models 129, 202, 210 with manual transmission.
Unscrew damper of belt te nsioning device at coolant
pump.
Engine 113.963 in models 230.475AR13.25-P-
3200R
Engine 113.992 in model 230.474
21Remove vibration
damper (4)Engine 112 in models 129, 163AR03.30-P-
1600C
Engine 113 in models 129, 202.033 /093
Engine 113 (except 113.981) in model 163
Engine 113 (except 113.980) in model 210
Engine 113 (except 113.984) in model 208
Engine 112.947 in model 170AR03.30-P-
1600CA
Engine 112 in model 202, 208, 210, 220
Engine 113.981 in model 163.174
Engine 113 (except 113.991) in models 215, 220.
Engine 113.963 in models 230.475
Engine 113.992 in model 230.474AR03.30-P-
1600RVK
22Remove chain
tensioner (14)ENGINE 112 in models 129, 163
Engine 113 (except 113.965 /981) in model 163
Engine 113 in model 129, 202, 208, 210AR05.10-P-
7800C
Engine 112 in model 170, 202, 208, 210
Engine 113 in model 163.174 /175AR05.10-P-
7800CA
Engine 112 in model 220
Engine 113 in model 215.373 /375
Engine 113 in models
220.070 /073 /075 /083 /084 /170 /173 /175 /183 /184 /875
Engine 113 in model 230.474 /475AR05.10-P-
7800AM
23.1Remove oil filter
housingEngine 113.992 in model 230.474AR18.20-P-
3471RKV
23.2Remove oil filter
housing with
oil/water heat
exchanger (7)Engine 112 in models 170, 202, 208, 210, 220AR18.20-P-
3471BA
Engine 113 in model 220
Engine 113.963 in models 230.475
Engine 113.965 in model 163.175
Engine 113.981 in model 163.174
Engine 112 in models 129, 163AR18.20-P-
3471B

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1998-2005 ENGINE Complete engine - 163 Chassis
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oil feed up to final repair
size.
12Measure cylinder boreAllow crankcase to cool
down to approx. 20°C
before measuring
Cylinder diameter*BE01.40-P-1001-01F
Internal measuring
instrument ø 50 to 150
mm, with 0.01 mm
indication and measuring
point pressure relief*WE58.40-Z-1003-21A
13Clean cylinder bore and
dry
14Set honing machine for
lapping Set to same diameter as
after polishing (final
diameter).
Cylinder diameter
according to machining
stage.*BE01.40-P-1003-01F
Stroke setting with 70 mm
felt length on 70th stroke
scale of machine*BE01.40-P-1012-01F
Felt insert overrun at top
and bottom*BE01.40-P-1013-01F
Engine speed*BE01.40-P-1008-01F
Feed*BE01.40-P-1009-01F
Stroke*BE01.40-P-1010-01F
Display*BE01.40-P-1011-01F
Felt insert C 30-F 85*WH58.30-Z-1036-04A
Set of felt insert holders
CK3130*WH58.30-Z-1035-04A
Stone holder for felt
insert CK-30 35*WH58.30-Z-1034-04A
15Rub-in cylinder bore and
filter insert using honing
paste Without honing oil
feed, the cylinder wall
must be dry. Only the
specified honing paste may
be used. Only this one
guarantees the specified
final result.
Polmot honing paste order
no. 600.11
*BR00.45-Z-1050-06A
16Lap cylinder bore and
expose silicone crystals. Without honing oil
feed.

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1998-2005 ENGINE Complete engine - 163 Chassis
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Check values for crankcase
Operating time of honing
machine
*BE01.40-P-1014-01F
17Coat filter insert again
with honing paste Do not coat cylinder
bore with honing paste.
Polmot honing paste order
no. 600.11
*BR00.45-Z-1050-06A
18Lap cylinder bore and
expose silicone crystals. Without honing oil
feed, removed material
cannot be measured.
Operating time of honing
machine
*BE01.40-P-1014-01F
19Clean cylinder bore and
dry Clean crankcase very
carefully with honing
paste. If possible, clean
crankcase in a major
assembly washing
machine, so that no
cylinder wall damage will
be caused by residues
when running the engine
later.
20Inspect cylinder boreAllow crankcase to cool
down to approx. 20°C
before inspecting.
Cylinder diameter of repair
size
*BE01.40-P-1001-01F
NumberDesignation
Engine 112
except 112.951,
113.940/941/
942/943/944/
945/946/948/
960/961/963/
965/966/967/
968/980/981/
984/986/992/
995
Engine
113.962/982/
987/988/989/
990/991/993
BE01.40-P-
1001-02E Cylinder borePeak-to-valley
height (R
Z ) of
top separating
surface
mm0.001 to 0.00450.001 to 0.0045
Wear limit at
BDC and TDC
of 1st piston ringmm< or = 30.03< or = 0.03

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1998-2005 ENGINE Complete engine - 163 Chassis
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Engine mounts, engine supports
Engine lubrication
NumberDesignation
951/954/955/
960/961/970/
972/973/976969/980/981/
982/984/986/
992/995
BA01.45-P-
1002-01BSelf-tapping
screw of oil pan
to oil panThread not
pretappedNm1414
Thread pre-
tappedNm1010
BA01.45-P-
1003-01BOil drain screw
to oil panM14Nm3030
NumberDesignation
Engine
112.942/970
113.942/965/981
in model
163.154/157/17
2/174/175
BA22.10-P-1001-01LBolt, front engine mounts
to front axle carrierNm35
NumberDesignation
Engine
112
except
112.916/953/975Engines
113.940/941/
942/943/960/
961/962/969/
982
BF18.00-P-1001-
01HEngine
oil
Filling capacity with oil filterLiters8.08.0
Filling capacity without oil
filterLiters7.5-
Specifications for Operating
Fluids
SheetBB00.40-P-0229-
01A
BB00.40-P-0229-
01A
SheetBB00.40-P-0229-
03A
BB00.40-P-0229-
03A
SheetBB00.40-P-0229-
05A
BB00.40-P-0229-
05A

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1998-2005 ENGINE Complete engine - 163 Chassis
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Engine mounts, engine supports
Engine lubrication
Fig. 111: Identifying External Torx Set (001 589 76 09 00)
NumberDesignation
965/967/968/
969/980/981/
982/984/986/
992/995
BA01.45-P-1002-
01BSelf-tapping screw
of oil pan to oil panThread not pre-
tappedNm14
Thread pre-tappedNm10
BA01.45-P-1003-
01BOil drain screw to
oil panM14Nm30
NumberDesignation
Engine
112.942/970
113.942/965/981
in model
163.154/157/17
2/174/17 5
BA22.10-P-1001-01LBolt, front engine mounts
to front axle carrierNm35
NumberDesignation
Engine
113.944/980/981
/984/986/991Engine
113.963/
963/965
BF18.00-P-
1001-01HEngine oilFilling capacity
with oil filterLiters7.57.5
Filling capacity
without oil filterLiters-7.0
Specifications
for Operating
FluidsSheetBB00.40-P-
0229-01A
BB00.40-P-
0229-01A
SheetBB00.40-P-
0229-03A
BB00.40-P-
0229-03A
SheetBB00.40-P-
0229-05A
BB00.40-P-
0229-05A

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1998-2005 ENGINE Complete engine - 163 Chassis
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Saturday, October 02, 2010 3:17:58 PMPage 139 © 2006 Mitchell Repair Information Company, LLC.