Remove/install coolant pump

AR20.10-S-1271PD

Remove/install coolant pump

12.11.2018

Model

470, 471 with engine 699

1

Bolts

2

Belt pulley

3

Bolts

4

Coolant pump

5

Sealing ring

 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 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

Notes on coolant level

AH20.00-P-1142-01CW

 

Remove/install

1

Drain off coolant

AR20.00-S-1142P

2

Remove poly-V belt

AR13.22-S-1202PD

3

Remove bolt (1)

 Counterhold belt pulley (2).

 Bolt, belt pulley to coolant pump

*BA20.10-N-1004-01PD

 Hook wrench

*699589000500

4

Remove belt pulley (2) from coolant pump (4)

5

Remove screws (3)

 Bolt, coolant pump to crankcase

*BA20.10-N-1002-01PD

6

Remove coolant pump(4)

 Installation: Replace sealing ring (5).

7

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

8

Check for leak tightness with engine running

 Visual inspection only.

 Auxiliary coolant pump, coolant pump, coolant thermostat, belt pulley

Number

Designation

Model 470, 471 with engine 699

BA20.10-N-1002-01PD

Bolt, coolant pump to crankcase

Nm

21

 Auxiliary coolant pump, coolant pump, coolant thermostat, belt pulley

Number

Designation

Model 470, 471 with engine 699

BA20.10-N-1004-01PD

Bolt, belt pulley to coolant pump

Nm

21