Remove/install radiator unit

AR20.20-B-3871XA

Remove/install radiator unit

01.11.2019

Engine

904, 906, 924, 926 in model 368.0/1, 382.1, 685.282/284/289/290

Modification notes

14.01.2011

Access for maintenance and repair work execution vary according to the body type/manufacturer.

See the body manufacturer instructions

Engine compartment

1

Radiator hose mounting clamp

2

Fastening of the air deflector bolts

3

Radiator air shroud

4

Radiator hose mounting clamp

5

Aftercooler hose mounting clamp

6

Expansion tank hose mounting clamp

7

Aftercooler hose mounting clamp

8

Rubber lining

9

Radiator

10

After-cooler

 

Remove/install

 Warning

Risk of injury to skin and eyes suffering scalding from contact with hot coolantspray. 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 containers.
Wear protective gloves, protective clothing and safety glasses.

AS20.00-Z-0001-01A

1

Drain the coolant up to approximately the level height of the thermostat valves

Topical note

Notes on coolant

AH20.00-N-2080-01A



Replace coolant

.

AP20.00-B-2080XA

 Catch the coolant, change it if necessary.

2

Remove the paneling plates of the body in the radiator compartment in order to make possible the removal.

 See the body manufacturer instructions

3

Remove the air filter housing and air intake

.

AR09.10-B-1150XA

4

Remove the clamp bolts (1, 4 and 6) and disconnect the cooling system hoses

 Check the condition of hoses and clamps, replace if necessary

5

Drain cooling system coolant



Replace coolant

.

AP20.00-B-2080XA

 Collect the coolant properly, replace it if necessary

6

Remove the clamp hoses of the charge air after-cooler hoses (5/7)

Notes on the installation of charge air hoses downstream of the charge air cooler

AH09.41-B-0001-01A

 The red hose should be installed between the turbocharger and the aftercooler

 Installation: Check the conditions of the hoses of the aftercooler, replace them if necessary. Do not invert the hoses

 .Fastening of the clamps on the inlet and outlet flexible hoses

*BA09.41-B-1001-01B

7

Remove the mounting bolts (2) from air baffle

 .Air baffler fastening bolts to radiator

*BA20.20-B-1003-02C

8

Position the air deflector (3) next the fan wheel so that it is possible to remove the radiator

9

Remove the rubber lining (8) between the radiator and the aftercooler and between the radiator (9) and the air baffle (10)

 The rubber lining are made to force air through the radiators, increasing thermal efficiency

10

Tilt the lower radiator housing to enable its removal

Remove/install radiator grille
.

AR88.40-B-4001XA

11

Remove the aftercooler (10) and the radiator (9)

 Be careful to not damage the radiator and the aftercooler.

 Check the radiator and the aftercooler conditions. In case of damage, repair or replace them.

12

Install in reverse order

13

Fill up with coolant and check the coolant level, correct if necessary



Engine cooling system - check fluid level, adjust to correct level. Inspect anticorrosion/antifreeze protection, adjust to correct concentration

.

AP20.00-B-2010XA

14

Check the tightness of the cooling system

.

AR20.00-B-1010XA

 Supercharging air/charge air cooling pipe

Number

Designation

Engine 904.9, 924.9, 906.9, 926.9

BA09.41-B-1001-01B

Fastening of the clamps on the inlet and outlet flexible hoses

M5

Nm

10

M6

Nm

-

 Radiator fastening

Number

Designation

Engine 904.9, 906.9, 924.9, 926.9

BA20.20-B-1003-02C

Air baffler fastening bolts to radiator

Nm

24