Remove/install radiator

AR20.20-S-3865PB

Remove/install radiator

12.11.2018

Model

470 with engine 200

1

Coolant hose

2

Radiator

3

Coolant hose

4

Condenser

5

Refrigerant line

6

Screw

7

Sealing ring

8

Hose

9

Bracket

10

Refrigerant line

11

Screw

12

Sealing ring

13

Hose

14

Bracket

15

Bolts

16

Electrical connector

4

Condenser

17

Screw

18

Cable tie

19

Retaining clamp

20

Guides

 Danger

Risk of death caused by vehicle slipping or toppling off of the lifting platform.

Align vehicle between vehicle lift columns and position the four support plates at the vehicle lift support points specified by the vehicle manufacturer.

AS00.00-Z-0010-01A

 Warning

Risk of poisoning caused by inhaling overheated refrigerant vapors from an air conditioning system containing R134a. Risk of injury to skin and eyes caused by contact with liquid R134a refrigerant and when working on pressurized parts

Never perform welding work on or near a closed air conditioning system. No smoking or open flames. Wear safety glasses and protective gloves. Work only in well ventilated rooms. Carry out repair work on the air conditioning system circuit only after the system has been evacuated.

AS83.00-Z-0006-01A

 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

Topical note

Notes on coolant

AH20.00-N-2080-01A

Topical note

Protect air conditioning circuit and components from moisture when carrying out repair work

AH83.30-N-0005-01A

Topical note

Procedure for a damaged or leaky air conditioning system

AH83.30-N-0004-01A

Notes on coolant level

AH20.00-P-1142-01CW

Notes on handling refrigerant R134a

AH83.30-N-0003-01A

 

Remove/install

1

Remove fan shroud

AR20.40-S-6800PB

2

Drain off coolant

AR20.00-S-1142P

3

Remove coolant hose (1) from cooler (2)

 Hose clamp pliers

*003589033700

4

Remove coolant hose (3) from radiator (2)

 Hose clamp pliers

*003589033700

5

Drain air conditioning system

AR83.30-S-1760P

6

Detach refrigerant line (5)



Compressor oils (specification 362.1)

BB00.40-P-0362-01A


Seal connections at refrigerant line (5) and condenser (4) with stop plugs.
Otherwise the air conditioning system can be damaged.

 To do this, remove bolt (6).

 Installation: Replace sealing ring (7) and wet with compressor oil.

 Screw, refrigerant line to refrigerant pressure and temperature sensor at condenser

*BA83.30-N-1007-01P

 Record plug

*129589009100

7

Remove hose (8)

 For this purpose, unclip hose (8) from bracket (9).

8

Remove refrigerant line (10)



Compressor oils (specification 362.1)

BB00.40-P-0362-01A


Seal connections at refrigerant line (10) and condenser (4) with stop plugs.
Otherwise the air conditioning system can be damaged.

 To do so, remove screw/bolt (11).

 Installation: Replace sealing ring (12) and wet with compressor oil.

 Screw, refrigerant line to refrigerant line front connecting point

*BA83.30-N-1005-01P

 Record plug

*129589009100

9

Remove hose (13)

 For this purpose, unclip hose (13) from bracket (14).

10

Remove screws (15)

 Bolt, cooler to top front cross member for hood catch

*BA20.20-N-1002-01PD

11

Lift cooler (2) with condenser (4) and tilt toward rear

12

Disconnect electrical connector (16)

13

Remove cooler (2) with condenser (4) in upward direction

14

Remove screw/bolt (17)

When replacing cooler (2).

 M6

*BA00.10-N-1002-01A

15

Disconnect cable tie (18)

When replacing cooler (2).

 Installation: Replace cable tie (18).

16

Remove condenser (4) from cooler (2)

When replacing cooler (2).


Carefully remove condenser (4) in upward direction.
Condenser (4) can otherwise be damaged.

 Press retaining clamp (19) inward and remove condenser (4) in upward direction (arrow) from guides (20).

17

Install in the reverse order



Check

 Warning

Risk of accident from vehicle starting off by itself when engine running. Risk of injury (bruises and burns) resulting from working on the engine while it is being started or when it is running.

Secure vehicle to prevent it from starting off by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts.

AS00.00-Z-0005-01A

18

Check for leak tightness with engine running

 Visual inspection only.

 Headless screws/bolts: screws/bolts and nuts, coarse-pitch thread

Number

Designation

8.8

10.9

BA00.10-N-1002-01A

M6

Galvanized

Nm

9

13

Phosphated

Nm

9

12

 Headless screws/bolts: screws/bolts and nuts, coarse-pitch thread

Number

Designation

12.9

BA00.10-N-1002-01A

M6

Galvanized

Nm

16

Phosphated

Nm

14

 Cooler, coolant hoses, coolant lines

Number

Designation

Engine 200 in model 470

BA20.20-N-1002-01PD

Bolt, cooler to top front cross member for hood catch

Nm

21

 Air conditioning

Number

Designation

Model 470 with engine 200.7

BA83.30-N-1005-01P

Screw, refrigerant line to refrigerant line front connecting point

Nm

14

 Air conditioning

Number

Designation

Model 470 with engine 200.7

BA83.30-N-1007-01P

Screw, refrigerant line to refrigerant pressure and temperature sensor at condenser

4