Mercedes-Benz ML320. Service manual - part 445

 

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Mercedes-Benz ML320. Service manual - part 445

 

 

housing coolant line 
--> (17) from 
thermostat housing

15.1

Remove radiator

 Only engine 113.942 /965 /981.

AR20.20-P-
3865HC
 

16

Remove brake 
pressure regulator 
vacuum line (5) from 
brake pressure 
regulator at rear of 
intake manifold

 

 

17

Extract power 
steering pump (19) 
oil

 Hand pump

Fig. 50

18

Detach return flow 
line and pressure line 
of power steering 
pump (19)

 Seal connections!

 

 Set of plugs

Fig. 51

 

*BA46.30-P-
1002-01A

 

*BA46.30-P-
1003-01A

19

Remove regeneration 
vacuum line (6) from 
intake pipe

 

 

 

Risk of explosion 
caused by ignition of 
flammable products, 
risk of poisoning 
caused by inhaling 
fuel vapors or 
swallowing fuel as 
well as risk of 
injury
 to skin and 
eyes exposed to fuel.

No fire, sparks, open flames or smoking.

AS47.00-Z-0001-
01A
 

Pour fuels only into suitable and appropriately 
marked containers.

 

Wear protective clothing when handling fuel.

 

20

Disconnect fuel line 
(4)

 Release fuel pressure through service valve!  

Collect fuel.

 

 M112: ?

 

 

*BA07.52-P-
1001-01A

 M113: ?

 

 

*BA07.52-P-
1001-01A

 Pressure hose

Fig. 52

21

Detach coolant line 
(14)

 

 

 

2001 Mercedes-Benz ML320 

1998-2005 ENGINE Complete engine - 163 Chassis

  

me 

 

22

Disconnect engine 
wiring harness

 

AR01.00-P-
2410V

23

Remove poly V-belt 
(3)

 Installation: Lock tensioning device with a 

drift or pin (diameter 5 mm).

 

Model 163.154/157/172.

AR13.22-P-
1202B
 

Model 163.174/175.

AR13.22-P-
1202BA
 

24

Disconnect 
connector from A/C 
compressor (10)

 

 

25

Unbolt AC 
compressor (10) 
from timing case 
cover

 Attach AC compressor at side in bottom of 

engine compartment with lines connected. 

 

*BA83.55-P-
1001-01A

26.1

Remove left inner 
fender (24)

 Only engine 113.942 /965 /981.

AR88.10-P-
1300GH
 

27.1

Remove shield (25)

 Only engine 113.942 /965 /981.

 

28

Detach exhaust 
system (11) at 
exhaust manifold

 Installation: On vehicles with engine 

damage check exhaust system for chips before 
assembly and remove any chips present to 
prevent later damage 

 

*BA14.10-P-
1002-01B

29

Detach exhaust 
bracket (12)

Support exhaust system for this step. 

 Installation: Install new nuts.

 

30

Unbolt torque 
converter (20) from 
starter ring gear(21)

 Installation: The mounting points (arrows, 

black) of the torque converter (20) must be 
flush with the three recesses (arrows, white) in 
the starting ring gear (21). 

 

*BA27.20-P-
1002-01C

31

Disconnect left O2 
sensor connector 
before TWC 
(G3/3x1) and right 
O2 sensor connector 
before TWC 
(G3/4x1) from 
transmission

 Remove cable ties!

 

32

Unscrew starter

 Do not disconnect electric cables. 

 

*BA15.30-P-
1003-01A

33

Unscrew bolts at 
transmission bell

 Engine 112.942/ 970. 

Do not unscrew two top bolts at transmission 
bell. 

 Engine 113.942 /965/981. Do not unscrew 

 

 

2001 Mercedes-Benz ML320 

1998-2005 ENGINE Complete engine - 163 Chassis

  

me 

 

two bottom bolts at transmission bell.

 

 

 

*BA27.40-P-
1008-01A

34

Unscrew nuts (18) 
for engine mount

 Before unscrewing left engine mount, press 

oil line of power steering out of fixture. 

 

*BA22.10-P-
1001-01L

35

Unscrew oil filler 
pipe (automatic 
transmission) at right 
cylinder head cover

 

 

36

Attach engine hoist 
to engine lifting eyes

 Use engine removal device!

 

 

*WE58.40-Z-
1012-11A

 

*WE58.40-Z-
1020-11A

37

Raise engine

 Ensure that engine and its detachable 

components are not lying against the body!

 

38

Insert transmission 
support (22)

 The transmission support is inserted onto 

crossmember and into recess of transmission. 

 The transmission support prevents the 

torque converter being pulled out. At the same 
time, the transmission is fixed in place with the 
transmission support when installing the 
engine.

 

 

*WE58.40-Z-
1036-11A

 ?

 

 

*WE58.40-Z-
1036-11A

39

Unscrew two top 
bolts (engine 112) or 
two bottom bolts 
(engine 113) of 
transmission bell

 Ensure that engine does not hit at front 

against radiator or condenser damaging them

 

40

Pull engine out 
toward front and lift 
out

 

 

41

Install in the reverse 
order

 

 

42

Inspect cooling 
system for leaks

 If fitting new cylinder head gaskets, bring 

engine to operating temperature beforehand.

AR20.00-P-
1010HA
 

  

43

Risk of accident 
caused by vehicle 
starting off by itself 

Secure vehicle to prevent it from moving by 
itself. 
Wear closed and snug-fitting work clothes. 

AS00.00-Z-0005-
01A
 

 

2001 Mercedes-Benz ML320 

1998-2005 ENGINE Complete engine - 163 Chassis

  

me 

 

 Oil pan 

 Fuel distributor 

 Fuel distributor 

 Exhaust manifold 

when engine is 
running. Risk of 
injury
 caused by 
contusions and burns 
during starting 
procedure or when 
working near the 
engine as it is 
running 
Check for leaks with 
engine running

Do not touch hot or rotating parts.

44

Read out fault 
memory and 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.

 

Number

Designation

Engine 112.910/911/ 912/913/914/ 
915/917/920/ 921/922/923/ 
940/941/942/ 943/944/945/ 
946/947/949/ 951/954/955/ 
960/961/970/ 972/973/976

Engine 113.940/941/ 
942/943/944/ 945/946/960/ 
961/962/963/ 965/967/968/ 
969/980/981/ 982/984/986/ 
992/995

BA01.45-P-
1003-01B

Oil drain 
screw to 
oil pan

M14 Nm 30

30

Number

Designation

Engine 112 except 112.945/951/ 960/961

BA07.52-P-1001-01A Fuel feed line to fuel distributor Nm 38

Number

Designation

Engine 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-
1001-01A

Fuel feed line to 
fuel distributor

Nm 38

Number

Designation

Engine 112 
except 
112.951 / 976

Engine 113.940/941/ 942/943/944/ 
945/946/948/ 960/961/962/ 963/964/965/ 
966/967/968/ 969/971/980/ 981/982/984/ 
986/992/993/ 995

Flange connection, 

 

2001 Mercedes-Benz ML320 

1998-2005 ENGINE Complete engine - 163 Chassis

  

me 

 

 

 

 

 

 

 

 

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