Remove/install radiator unit

AR08.50-D-0120TE

Remove/install radiator unit

28.11.2019

Engine

780.703 in model 910

Modification notes

28.11.2019

Work procedure and image displays revised

The whole document

1

Radiator unit

4

Elastomer bearing

5

Elastomer bearing

2

Air duct segment

3

Coolant hose line

6

Expansion rivet

7

Air duct segment

 Danger

Risk of death when working on component parts and systems with U >= 30 V alternating voltage (AC) or U >= 60 V direct voltage (DC)

Do not touch damaged or defective live component parts and lines or non-insulated electrical connections and lines.

AS00.00-Z-0035-01A

 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

 Caution

Risk of injury caused by scraping or cutting body parts on sharp vehicle parts

Always wear protective gloves when working on or near sharp and non-deburred vehicle parts.
Deburr repair panels.

AS00.00-Z-0017-01A

Topical note

Notes on avoiding damage through contamination and foreign objects

AH00.00-P-5000-01A

Topical note

Information on preventing damage to electronic components due to electrostatic discharge

AH54.00-P-0001-01A

Topical note

General information on handling vehicles with high-voltage on-board electrical system and/or lithium-ion battery and/or gaseous-fuel drive system

AH00.00-Z-0300-01A

 

Remove/install

1

Remove fan unit.

AR08.50-D-0100TE

2

Remove radiator grille.

AR88.40-D-4001TS

3

Remove expansion rivets (6).

4

Remove coolant hose line (3).

AR08.50-P-0018-01EQ

 Collect coolant which flows out. Plug openings.

 Commercially available devices/tools
Collecting pan

 Set of protective covers

*001589019100

5

Lower vehicle.

6

Remove air duct segments (2).

 Installation: Check air duct segments (2) for damage.

If damage exists,



Replace damaged air duct segment (2).

7

Remove air duct segment (7).

 Installation: Check air duct segment (7) for damage.

If damage exists,



Replace air duct segment (7).

8

Remove radiator unit (1).

 Radiator unit (1) consists of coolant radiator auxiliary circuit, coolant radiator main circuit and supporting frame.
For this purpose, carefully remove radiator unit (1) upwards.



Check

9

Check elastomer bearings (4, 5) for damage and wear.

If damage or wear is present,



Replace affected elastomer bearing (4, 5).

10

Install in the reverse order.