Remove/install coolant pump

AR20.10-P-1271SR

Remove/install coolant pump

28.10.2014

ENGINE

281 in MODEL 453

1

Screw/bolt

3

Screw/bolt

5

Coolant pump

2

Screw/bolt

4

Screw/bolt

6

Seal

 Danger !

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



Notes on coolant

AH20.00-N-2080-01A

 

Remove/install

1

Drain coolant

AR20.00-P-1142SR

2

Remove belt pulley from coolant pump (5)

AR20.10-P-1275SR

 Installation: Only install covering over engine after the leak test.

3

Remove screws/bolts (1 to 4)

 Installation: Lay coolant pump (5) with screw/bolts (1 to 4) evenly on the cylinder head then tighten screw/bolts (1 to 4) according to the numerical sequence.

 Bolt, coolant pump to cylinder head

*BA20.10-P-1013-01J

4

Remove coolant pump (5) and catch running off coolant with a suitable container

 Installation: Replace seal (6).



Clean

5

Clean sealing surface on crankcase

6

Clean sealing surface on coolant pump (5)

When reusing the coolant pump (5).

7

Install in the reverse order



Check

 Danger !

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

Perform an engine test run and check engine in area of the coolant pump (5) for leaktightness

 Coolant pump, coolant thermostat

Number

Designation

ENGINE 281

BA20.10-P-1013-01J

Bolt, coolant pump to cylinder head

Nm

25