Remove/install radiator unit

AR20.20-G-3871CD

Remove/install radiator unit

03.04.2019

Engine

924.916 in model 437.465

Shown with code G50 (Transmission cooler)

1

Radiator unit

8

Coolant hose

2

Engine radiator

9

Coolant hoses

3

Charge air cooler

10

Coolant pipe

4

Charge air hose (black)

11

Oil line (only for code G50 (Transmission cooler))

5

Charge air hose (red)

12

Oil line (only for code G50 (Transmission cooler))

6

Screw

13

Screw

7

Coolant hose

 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

 Caution

Risk of injury to skin and eyes due to handling of transmission oil. Health risk caused by swallowing transmission oil

Wear protective gloves, protective clothing and safety glasses.
Do not pour transmission oil into beverage bottles.

AS00.40-Z-0001-01A

Topical note

Notes on avoiding damage through contamination and foreign objects

AH00.00-N-5000-01H

Topical note

Notes on self-locking nuts and bolts

AH00.00-N-0001-01A

Topical note

Notes on coolant

AH20.00-N-2080-01A

 

Remove/install

1

Open hood.

 See information from body manufacturer.

2

Remove V-belt for fan drive.

AR13.21-G-0110C

3

Drain off coolant.



AP20.00-G-2080C

4

Remove charge air hoses (4, 5) from charge air cooler (3).

 Installation: Do not mix up charge air hoses (4, 5), install red charge air hose (5) at bottom.

5

Seal openings at charge air hoses (4, 5) and at charge air cooler (3) with lint-free dry cloths.

6

Remove coolant hose (7)

7

Remove coolant hose (8) from coolant pipe (10).

8

Remove coolant hoses (9) from coolant pipe (10).

9

Remove oil lines (11, 12) from radiator (2) and collect escaping transmission oil in suitable container.

Only for vehicles with code G50 (Oil cooler)

 Installation:
Counterhold fittings at radiator (2) when tightening oil lines (11, 12).
Radiator (2) can otherwise be damaged.

 Oil line to fitting

*BA20.20-N-1002-01K

10

Seal oil lines (11, 12) and fittings at radiator (2) with suitable stop plugs.

Only for vehicles with code G50 (Oil cooler)

 Record plug

*129589009100

11

Remove screws (6, 13).

 Mounting support on radiator unit to elastomer bearing

*BA20.20-N-1005-01K

12

Remove radiator unit (1) using lifting gear.

13

Install in the reverse order



Check

14

Check, correct coolant level.



AP20.00-G-2010C

15

Check/correct oil level in transmission via filling screw.

Only for vehicles with code G50 (Oil cooler)



AP26.00-G-2601C

16

Check engine cooling system for leak tightness.

AR20.00-G-1010B

17

Check oil lines (11, 12) for leaks.

Only for vehicles with code G50 (Oil cooler)

 Visual inspection.

 Radiator, coolant hoses

Number

Designation

Engine 900.920/921, 904.952/953, 924.916/923/931

BA20.20-N-1002-01K

Oil line to fitting

Nm

40

 Radiator, coolant hoses

Number

Designation

Engine 900.920/921, 904.952/953, 924.916/923/931

BA20.20-N-1005-01K

Mounting support on radiator unit to elastomer bearing

Nm

51