Remove/install radiator

AR20.20-W-3865G

Remove/install radiator

7.12.11

7.12.11

Value modified: Hose to transmission oil cooling line

*BA26.55-N-1007-01A

Value modified: Hose to transmission oil cooling line

*BA26.55-N-1004-01KL

 

Remove/install



Notes on self-locking nuts and bolts

AH00.00-N-0001-01A

1

Switch off ignition

2

Detach trim panel on cab rear wall

 Only in vehicles with code (F15) MEGASPACE cab.

3

Remove soundproofing below the radiator (6)

 Danger!

Risk of injury to skin and eyes caused by scalding from contact with hot coolant spray. Risk of poisoning caused by 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 containers.

Wear protective gloves, protective clothing and safety glasses.

AS20.00-Z-0001-01A

4

Drain coolant

 Only drain coolant at radiator.

AR20.00-W-1142A



Notes on coolant

AH20.00-N-2080-01A

5

Open maintenance flap

6

Remove middle trim panel (21) over the bumper

7

Discharge air conditioning system

 Only for vehicles with code (H03) Air conditioning in front end or with code (H07) AAC.

AR83.30-W-1760A

8

Remove coolant hoses (2) to heater heat exchanger

9.1

Remove sensor unit with hydraulic lines on cab

Vehicles with code (GS3) "Hydraulic" gearshift

AR26.60-W-0012-01G



*BA26.60-N-1025-01D



*BA26.60-N-1026-01D



*BA26.60-N-1030-01D

 Danger!

Risk of injury caused by body parts being pinched or crushed as cab is tilted

Ensure that no one is within the tilting range of the cab as it is being tilted. Always tilt the cab all the way to the end position and secure with the safety strut.

AS60.80-Z-0001-01A

9.2

Tilt cab

Vehicles without code (GS3) "Hydraulic" gearshift.



Notes on tilting the cab

AH60.80-N-0003-01A

10

Remove soundproofing on the left and right side of the engine

11

Remove soundproofing on the left and right side of radiator (6)

12

Remove charge air housing (10)

AR09.41-W-8682A

13

Remove charge air pipe

 Only for engine 542.9.

AR09.41-W-1311G

14

Disconnect plug for coolant level switch (8) at coolant level switch (B6)

15

Remove all coolant hoses (4, 5, 7, 9, 15) on the cooler side

16

Detach coolant expansion reservoir (3) on radiator (6)

17

Detach oil dipstick guide tube (13) and oil filler pipe (14) at radiator (6) and tie up at engine

18

Disconnect low pressure refrigerant line (26) and high pressure refrigerant line (27) at connecting points (30, 31)

 Only for vehicles with code (H03) Air conditioning in front end or with code (H07) AAC.

When undoing union nut, counterhold on fitting hexagon.

 Installation : Replace sealing rings.



*BA83.30-N-1009-01B

19

Unscrew bolts at the radiator mounting (17) on right and left

20

Remove coolant pipe (11) on coolant thermostat

 Installation: Replace sealing rings.

AR20.10-W-2460G

 Danger!

Risk of injury caused by pinching or crushing when working on springs or spring bodies that are under tension

Use only approved tensioning devices; shield off hazard area if necessary.
Inspect special tools for damage and proper operation (visual inspection).
Wear protective gloves.

AS00.00-Z-0001-01A

21

Relieve the load on the fan poly-V belt and remove from the coolant pump belt pulley

 Only on vehicles with code (ML3) high-speed fan drive with belt drive.

 Installation: Check fan poly-V belt for condition and replace if necessary.

Observe poly-V belt routing plan.

AR13.22-W-3902-02A



Damage patterns of poly-V belt

AP13.22-D-1351-01A

22

Detach low-pressure refrigerant line (26) and high-pressure refrigerant line (27) from connecting points (28, 29)

 Only vehicles with code (H03) air conditioning in front end or code (H07) AAC

When undoing union nut, counterhold on fitting hexagon.

 Installation : Replace sealing rings.



*BA83.30-N-1009-01B

23

Disconnect transmission oil hoses (16.1) from transmission oil lines (16.2) at connecting points (16)

 Only on vehicles with code (N55) Transmission oil cooling.

 Disconnect the transmission oil hoses (16.1) at the connecting points (16) only. If the transmission oil hoses (16.1) are removed at the oil cooler, the oil cooler can be damaged.

 Collect feathering-out transmission oil and seal lines with plug.

 Vehicles with code (GS7) Gear control "hydraulic" or code (GS3) Gear control II:

*BA26.55-N-1007-01A

Vehicles with code (GE3) Mercedes PowerShift or code (GE7) Mercedes PowerShift 2

*BA26.55-N-1004-01KL

24

Connect transmission oil hoses (16.1) below at the radiator (6)

 Only on vehicles with code (N55) Transmission oil cooling.

25.1

Detach fan with viscous fan clutch (12) from fan drive belt pulley

Vehicles with code (ML3) High-speed fan drive with belt drive.



*BA20.40-N-1012-01C

25.2

Detach fan with viscous fan clutch (12) at intermediate piece

Vehicles without code (ML3) high-speed fan drive with belt drive.



*BA20.40-N-1001-01C

26

Attach removal and installation tools onto radiator (6)

AR20.20-W-3865-08G

27

Lift out radiator (6), charge air cooler (18) and fan with viscous fan clutch (12) upwards together

 Installation: When installing the radiator (6), ensure that the protective grille (19) is not tilted at the vehicle frame.

28

Install in the reverse order

29

Check/correct transmission oil level

 Only on vehicles with code (N55) Transmission oil cooling.

Observe oil grade set in maintenance system or Specifications for Operating Fluids.

Vehicles without code (G02) Torque converter clutch (WSK)

AR26.00-W-0100A

Vehicles with code (G02) Torque converter clutch (WSK)

AR26.00-W-0100G

Number

Designation

Engine
541.9, 542.9 with code ML1

Engine
541.9, 542.9
with code ML3

BA20.40-N-1001-01C

Bolt, viscous fan clutch to adapter

Nm

50

-

BA20.40-N-1012-01C

Bolt, fan with viscous fan clutch to belt pulley of fan drive

Nm

-

50

Number

Designation

Transmissions
715.320/321

Transmission
715.500/507/
510/513/517/
520/527/540/
561/567/568

Transmission
715.570/576

BA26.55-N-1007-01A

Hose to transmission oil cooling line

Nm

60

60

60

Number

Designation

Transmission
715.350

Transmissions
715.370/380

Transmission 715.515/525

BA26.55-N-1004-01KL

Hose to transmission oil cooling line

Nm

60

60

60

Number

Designation

Transmission
715.320 with code GS3

Transmission 715.500/507/510/513/520/540
with code GS3 without code IY2

Transmission 715.500/507/510/513/520/540/561 with code GS3 and code IY2

BA26.60-N-1025-01D

Nut and bolt, shift control unit to center tunnel

Nm

30

30

30

BA26.60-N-1026-01D

Bolt, HPS line bracket to center tunnel

Nm

20

20

20

BA26.60-N-1030-01D

Clamp bolt for gearshift lever

Nm

20

20

20

Number

Designation

Transmission
715.570
with code GS3
and code IY2

BA26.60-N-1025-01D

Nut and bolt, shift control unit to center tunnel

Nm

30

BA26.60-N-1026-01D

Bolt, HPS line bracket to center tunnel

Nm

20

BA26.60-N-1030-01D

Clamp bolt for gearshift lever

Nm

20

Number

Designation

Model 930, 932, 933, 934 with code H01, H03, H07, H09

BA83.30-N-1009-01B

Union nut, refrigerant lines

sz. 19

Nm

16

WAF 27

Nm

30

WAF 32

Nm

40