1997 MERCEDES-BENZ ML320 engine

AR20.20-P-3865HC
Remove/install the radiator
5.6.97

ENGINE
112.942 in MODEL 163.154

ENGINE
112.970 in MODEL 163.157

ENGINE
113.942 in MODEL 163.172

ENGINE
113.965 in MODEL 163.175

ENGINE
113.981 in MODEL 163.174

P20.20-2017-09

Shown on Model 163.154 with Engine 112

1
Viscous fan

2
Plate clamps of fan shroud

3
Fan shroud

4
Coolant line

5
Coolant line to expansion reservoir

6
Coolant line

7
Headlamps
17

Air deflector plate

18
Oil line (return line radiator

!
expansion

reservoir of power steering pump)

19
Oil line (feed line steering gear

!

radiator)

20
Fasteners

21
Damper rubber

8

Radiator crossmember

9
Rubber seal of radiator

10
ATF lines

11
Fan grille

12
Air guides

13
Clamps of air guides

14
Air conditioning system fluid reservoir

15
Radiator

16
Cover strips

Modification notes
23.3.00

Radiator with integral oil cooler for power steering pump
See step 5 and 16


Remove/install


External torx set

*001589760900


6 mm hexagon socket

*WH58.30-Z-1001-06A

7 mm hexagon socket

*WH58.30-Z-1002-06A

1.1
Remove air deflector plate (17)

Engine 113.942 only.

Danger!

Risk of injury
to skin and eyes from scalding

due to contact with hot coolant spray.
Risk of

poisoning
if coolant is swallowed.
Do not open cooling system unless coolant

temperature is below 90 °C. Open cap slowly

and release the pressure. Do not pour coolant

into beverage bottles.

Wear protective gloves, protective clothing

and eye protection.
AS20.00-Z-0001-01A

2
Drain the coolant at the radiator


To drain the coolant, detach coolant line

at the bottom of the radiator or at the coolant

pump.


Installation:
Replace the hose clamps on

the radiator fitting for the coolant hose, as

they could cause damage to the screw/thread. AR20.00-P-1142HA

Hose clamp

*BA20.20-P-1004-01A

Copyright DaimlerChrysler AG 12.05.2006 CD-Ausgabe G/10/04 . This WIS print-out will not be recorde

d by Modification services.
Page 1

3.1
Remove viscous fan (1)

Engine 112.942 /970 and 113.942.

Right-hand thread!

AR20.40-P-5660C

3.2
Remove electric fan

Only Engine 113.965 /981.

AR20.40-P-5000GH
4.1
Pull off plate clamps of fan shroud (2)

Only for Engine 112.942, from 5/98.

5.1
Remove fan shroud (3)

Only for Engine 112.942 /970 und

113.942. Unscrew the bolts at bottom of fan

shroud for this step


Installation:
If installing a new radiator

with integral power steering pump oil cooler, a

new fan shroud is required if a radiator

without integral oil cooler was previously
installed.

6
Remove headlamp (7).

AR82.10-P-4730GH

7
Remove radiator crossmember (8)

AR62.30-P-2300GH

8
Detach coolant line (4, 6) and expansion

reservoir coolant line (5) at the radiator


Installation:
Replace the hose clamps on

the radiator fitting for the coolant hose, as

they could cause damage to the screw/thread.

Hose clamp

*BA20.20-P-1004-01A

9
Remove the rubber seal on radiator (9)

10.1
Remove oil line (return line of radiator
!

power steering pump expansion reservoir)

(18) and oil line (feed line of steering gear

!

radiator) (19)

From 5/98 only, seal off the connections.

Set of plugs

*129589009100

11
Unscrew ATF lines (10) at the radiator

Seal off the connections.


*BA20.20-P-1001-01A


*BA20.20-P-1003-01A

Set of plugs

*129589009100

12.1
Detach the connector from the fan and
remove the fan grille (11)

Only for Engine 112.942 /970 and 113.942.

13
Unscrew the condenser from the radiator
Do not disconnect the lines.

14
Remove fasteners (20) and damper rubber

(21)

The damper rubber (21) is designed to

prevent possible vibrations between the

condenser and radiator (15) during off-road

driving.

15
Remove air conditioning system fluid

reservoir (14) from the radiator

Place aside with the lines connected.

Detach the condenser from the radiator.

16
Remove radiator (15)

When installing, the spigots on the

radiator must be inserted in the rubber

grommets in the bottom crossmember.

Installation:
On Model 163.154 with

Engine 112.942 before VIN end number

043553, when installing a new radiator with

integral power steering pump oil cooler,

additional operations are required, if they

have not already been carried out:

#
v

Retrofit the bracket for the oil cooler line of

the power steering pump

SM46.30-P-0002A

k

Radiator with integral oil cooler for the power

steering pump

BT20.20-P-0001-01A

17
Detach air guides (12)

Replace the clamps on air guides (13).

18
Install in the reverse order

19
Pour in coolant

AR20.00-P-1142HA

20
Check the headlamp setting and correct if

necessary

e

Check and adjust the headlamp setting

AP82.10-P-8260GH

Danger!

Risk of accident
caused by vehicle starting

off when engine is running.
Risk of injury


caused by contusions and burns when

working in engine during starting procedure
Secure the vehicle to prevent it from moving.
Wear closed and snug-fitting work clothes.

Do not grasp hot or rotating parts.

AS00.00-Z-0005-01A

21
Check the oil level in the automatic

transmission and correct if necessary

AR27.00-P-0101A

22
Check the cooling system for leaks

AR20.00-P-1010HA


Radiator, coolant hoses

Copyright DaimlerChrysler AG 12.05.2006 CD-Ausgabe G/10/04 . This WIS print-out will not be recorde
d by Modification services.
Page 2

Number
Designation
Engine

112.942/

970,

113.942/

965/981

BA20.20-P-1001-01A
Union nut on automatic transmission

ATF line to radiatorNm
20

BA20.20-P-1003-01A
Banjo bolt
M12X1.5
Nm
30

BA20.20-P-1004-01A
Hose clamp
Nm
3

129 589 00 91 00

Set of plugs

External Torx set

001 589 76 09 00

Commercially available tools
Number

Designation
Make (e. g.)
Order number

WH58.30-Z-1001-06A
6 mm hexagon socket on flexible shaft for hose clamps with worm drive
Hazet

Güldenwerther

Bahnhofstraße 25-28

D-42857 Remscheid

426-6

WH58.30-Z-1002-06A
7 mm hexagon socket on flexible shaft for hose clamps with worm drive
Hazet

Güldenwerther

Bahnhofstraße 25-28

D-42857 Remscheid

426-7

Copyright DaimlerChrysler AG 12.05.2006 CD-Ausgabe G/10/04 . This WIS print-out will not be recorde
d by Modification services.
Page 3

AR20.40-P-5000M
Remove/install electric fan
24.8.99

ENGINE
612.963 in MODEL 163.113

P20.40-2015-06

Shown on Model 163.113 with

Engine 612.963

1
Clutch

2
Electrical lines circuit 30

3
Clips

4
Captive nuts

5
Bolts

M4/7
Electric suction fan engine and AC

with integrated control


Remove/Install


Danger!
Risk of injury
to
fingers being jammed or

squeezed
when removing and installing or

aligning hoods, doors, trunk lid/tailgate or

sliding roof.
When moving components, ensure that no

body parts or limbs are within the operating

range of moving parts.

AS00.00-Z-0011-01A


Danger!
Risk of death.
Death may result if vehicle

slips or topples from the lifting platform.
Align vehicle between the columns of the

lifting platform and position the four support

plates
at the lifting platform support points

specified by the vehicle manufacturer.

AS00.00-Z-0010-01A

1
Place the vehicle on lifting platform

AR00.60-P-1000GH

2
Open engine hood and raise to vertical position

Have second person secure hood.

AR88.40-P-1000GI

3
Connect quiescent current retention device


*WH58.30-Z-1005-09A

4
Disconnect ground cable of battery

AR54.10-P-0003A

5
Detach coupling (1) at electrical connector of

fan

6
Disconnect electrical lines circuit 30 (2) at
electric fan

7
Unclip wiring harness from bracket

8
Remove front part of noise encapsulation

AR94.30-P-5400GH

9
Detach clamps (3) at bottom side of electric fan

10
Unscrew screws (5)

11
Remove captive nuts (4)

12
Unhinge electric suction fan engine and AC

with integrated control (M4/7) at top of

radiator and take out toward bottom


Installation:
Insert retaining lugs of

electric fan into the mounts at radiator.

13
Install in the reverse order

Commercially available tools

Number

Designation
Make (e. g.)
Order number

WH58.30-Z-1005-09A
CMP 12.2 quiescent current retention unit
Hans Zeheter

Copyright DaimlerChrysler AG 12.05.2006 CD-Ausgabe G/10/04 . This WIS print-out will not be recorde
d by Modification services.
Page 1

AR20.20-P-3865MM
Remove/install radiator
10.11.99

ENGINE
612.963 in MODEL 163.113

P20.20-2080-09

1
Electric fan

2
Low temperature cooler

3
Bolts (low temperature cooler)
110/2

Charge air cooler

4
Lamp units

5
Cover strips

6
Radiator crossmember

P20.20-2081-09

8
Coolant hose for coolant pump

9
Coolant hose of thermostat housing

10
Coolant hose of coolant expansion tank

11
Seal strip

12
Air ductings
19

Power steering oil line (feed line of
steering gear

!
radiator)

20
Attachment parts

21
Damper rubber

13

Mounting clips

14
Air conditioning fluid reservoir

15
Radiator

16
Bolts

17
Capacitor

18
Power steering oil line

(Return line of radiator

!

Power steering pump supply reservoir)


Removal/installation


Danger!

Risk of injury
to
fingers being jammed or

pinched
when removing, installing or aligning

hoods, doors, trunk lid/tailgate or sliding roof.
When moving components, ensure that no

body parts or limbs are within the operating

range of moving parts.

AS00.00-Z-0011-01A

Copyright DaimlerChrysler AG 12.05.2006 CD-Ausgabe G/10/04 . This WIS print-out will not be recorde
d by Modification services.
Page 1

Danger!

Risk of injury
to skin and eyes suffering

scalding from contact with hot coolant spray.
Risk of poisoning
from swallowing coolant.
Do not open cooling system unless coolant

temperature is below 90 °C. Open cap slowly

and release the pressure. Do not pour coolant

into beverage bottles.

Wear protective gloves, protective clothing

and eye protection.

AS20.00-Z-0001-01A

1
Open engine hood and raise to vertical position

Have second person secure hood.

AR88.40-P-1000GI

2
Connect no load current retention unit


*WH58.30-Z-1005-09A

3
Disconnect battery ground cable

AR54.10-P-0003A

4
Remove trim panel of cylinder head cover

AR01.20-P-5014-02B


*BA01.20-P-1002-01A


*BA01.20-P-1003-01A

5
Remove bottom part of noise encapsulation

at front

AR94.30-P-5400GH

6
Remove electric fan (1)

Remove toward bottom.

AR20.40-P-5000M

7
Drain coolant

At radiator.

AR20.00-P-1142M


Notes on coolant
All engines

AH20.00-N-2080-01A

8
Remove charge air cooler (110/2)

AR09.41-P-6817MM

9.1
Attach guard plate for radiator/condenser

With automatic air conditioning, code

581a and AC system or Tempmatic USA,

code 580.

Attach additional AC condenser in the

vehicle.

y

Guard plate for radiator/condenser
Engine 606 in model 124,
Engine 606.961 in model 140,

Engine 112, 113, 604, 605, 611.960 in

MODEL 202,

Engine 602.983, 612.966 in MODEL 461,

Engine 628.962, 612.965, 606.964, 112.945,

113.962/ 982 in MODEL 463,

Engine 111, 112, 611.962, 612.962 in model

203,

Engines 112, 113, 611.961, 612.961, 613.961

in MODEL 210,

Engine 112 in model 170,

Engine 112 in MODEL 220,

Engine 113 in MODEL 211, 215, 220,

Engine 112 in MODEL 208,

Engine 112, 612.963, 628.963 in MODEL 163,
Engine 112.923 /943, 113.961 in MODEL 129,

Engine 137, 275 in MODEL 215, 220,

Engine 613.960, 628.960 in MODEL 220,

Engine 113.992 in model 230.474,

Engine 271 in model 209, 203,

Engine 285.950 in model 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 639.601/

603/605/701/703/705/801/803/805

Engine 646.982 in model

639.601/603/605/701/703/705

WF58.50-P-0110-01A

10
Remove seal rail (11)

11
Extract steering oil from reservoir

Hand pump

*210589007100

12.1
Disconnect power steering oil line (return line

radiator

!
power steering pump supply

reservoir) (18)

Seal connections.


Installation:
Install new sealing rings.


*BA46.30-P-1012-01A


Clamp

*000589543700

Set of stop plugs

*129589009100

12.2
Disconnect power steering oil line (feed line of

steering gear

!
radiator) (19)


Clamp

*000589543700

Set of stop plugs

*129589009100

Hexagon socket wrench

*WH58.30-Z-1001-06A

Hexagon socket wrench

*WH58.30-Z-1002-06A

Copyright DaimlerChrysler AG 12.05.2006 CD-Ausgabe G/10/04 . This WIS print-out will not be recorde
d by Modification services.
Page 2

13
Disconnect coolant hose to coolant pump (8),

coolant hose from thermostat housing (9) and

coolant hose from coolant expansion tank

(10) at radiator

Hexagon socket wrench

*WH58.30-Z-1001-06A

Hexagon socket wrench

*WH58.30-Z-1002-06A

14
Detach air guides (12)


Installation:
Replace fastening clamps

(13)

15
Unscrew bolts (16) at condenser (17) to

radiator

Avoid deformation of condenser lines.

Do not disconnect lines.

16
Remove attachment parts (20) and rubber

shock absorber (21)


Installation:
Ensure, that the rubber

shock absorbers do not drop when installing

the radiator.

Replace fastening clamps.

17
Take off fluid reservoir of AC (14) at radiator

Place to the side with lines connected.

External torx set

*001589760900

18
Remove bracket of charge air pipe at left

radiator

Installation:
Insert bracket of charge air

pipe into the bracket at the radiator.

19
Remove radiator (15)

Installation:
When installing, the mounting

studs of the radiator must be inserted into the

rubber grommets of the lower crossmember.

20
Install in the reverse order

21
Check headlamp adjustment, correct if

necessary

e

Check and correct headlamp adjustment

AP82.10-P-8260A

22
Inspect cooling system for leaks

AR20.00-P-1010HA

23
Fill power steering pump and bleed


Danger!

Risk of accident
caused by vehicle starting

off by itself when engine is running.
Risk of

injury
caused by contusions and burns when

working in engine during starting procedure
Secure vehicle to prevent it from moving.
Wear closed and snug-fitting work clothes.

Do not grasp hot or rotating parts.

AS00.00-Z-0005-01A

24
Run engine and inspect for leaks
Crankcase ventilation, cylinder head cover

Number

Designation
Engine

612.963

BA01.20-P-1002-01A
Bolt, cylinder head cover trim panel to

cylinder head cover
Nm
10

BA01.20-P-1003-01A
Bolt, cover panel to charge air distribution

pipe
Nm
10

Power steering pump

Number

Designation
Model

163.113

BA46.30-P-1012-01A
Banjo bolt, power steering oil line to radiator
Nm
30


Cooling system

Number

Designation
Engine

612.963

BF20.00-P-1001-02E
Cooling system
Total capacity
Liter
Y
11.0

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Page 3

AR00.60-P-1000GH
Raising, jacking up vehicle
27.1.00

MODEL
163

P00.60-2013-09

Fig. item, etc.
Work instructions


Danger!
Lethal injuries
are possible if vehicle slips off

of lifting platform
Align vehicle between the four lifting platform

pillars and position the four support plates
at

the hoist mounting points specified by the

vehicle manufacturer.

AS00.00-Z-0010-01A


Danger!
Danger of accident
through self-acting

movement of the vehicle when jacked up
Risk of injury
through intrusion into engine

compartment or driveline where rotating parts

pose a serious hazard.
Make sure that the jack stands are securely

positioned.

Authorized person should occupy driver's seat.

Wear closed and close-fitting work clothes.

Do not grasp hot or rotating parts.

AS00.00-Z-0008-01A


If the support plates are not properly mounted

(012) at the vehicle's designated jacking

points (1,2) damage may occur to the side sill

covers (3).


The vehicle should be secured against tipping

or falling off the platform when removing any

units.


Lifting vehicle with inspection pit lift or garage

jack

AR00.60-P-1000-01GH

Inspection pit lift.

*WE58.40-Z-1002-05A

1
Forward jacking points

2
Rear jacking points

3
Side sill covers

011
Lifting platform

*WE58.40-Z-1001-05A

012
Support plates
All four support plates must be extended to an

equal distance (Dimension X).

Workshop equipment/MB testers
(see Workshop Equipment Manual)

WE58.40-Z-1001-05A
Two-column lift

WE58.40-Z-1002-05A
Inspection pit lift

Copyright DaimlerChrysler AG 17.05.2006 CD-Ausgabe G/10/04 . This WIS print-out will not be recorde
d by Modification services.
Page 1