Mercedes-Benz ML320. Service manual - part 781

 

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Mercedes-Benz ML320. Service manual - part 781

 

 

AR20.40-P-5000GH

Remove/install electric fan

22.6.00

ENGINE 

113.965 in MODEL 163.175

ENGINE 

113.981 in MODEL 163.174

P20.40-2025-06

1

Connector

2

Electrical connections

3

 Tie strap

4

Electric fan

5

Screws

6

Sheet metal nuts

7

Sheet metal clamps

8

Retainer tabs

9

Protective caps

10 

Bracket

  

Remove/Install

1

Disconnect electrical plug (1).

2

Unbolt electrical connections (2)

For this step detach protective caps (9).

 Insulate wire ends, in order to avoid a 

short circuit due to an unintended ground 
contact.

3

Unclip cable straps (3)

4

Press coolant hose out of bracket (10)

5

Remove engine compartment paneling

AR61.20-P-1105GH

6

Unbolt electric fan (4) at the bottom

 For this step unscrew bolts (5) and 

remove sheet metal nuts (6).

7

Take off plate clamps (7)

8

Remove electric fan (4)

 

Installation:Ensure, that the retainer tabs 

(8) of the electric fan are seated in the 
mounts of the radiator on right and left

9

Install in the reverse order

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

Page 1

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 recorded 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 recorded 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 radiator

Nm

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 recorded by Modification services.

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