ar2010p1271ff

Remove/install coolant pump

Type ar · topic 20.10 · version 0104 · 2006-01-31

Applies to: ENGINE 134.9, 135.9 in MODEL 454.0

Where it sits

Function group 1 Engine › 20 Engine cooling system › 20.10 Coolant pump, coolant thermostat — Series 454 (models 0**)

EinPAS 15 Engine › 15.25 Engine cooling system › 15.25.30 Pump/thermostat/preheater — Series 454 (models 0**)

Also applies to engines/gearboxes: 134 9**, 135 9**

AR20.10-P-1271FF

Remove/install coolant pump

17.1.06

ENGINE 134.9, 135.9 in MODEL 454.0

Remove/install coolant pump

P20.10-2141-09

Shown on engine 135.9 with code (I01) Air conditioning Plus (with outside temperature indicator) (FFO)

1 Coolant pump

2 Bolts

5 Poly-V-belt

6 Seal

3 Bolts

4 Belt pulley

Remove/install

Danger!

Risk of injury to skin and eyes caused by scalding from contact with hot coolant spray. 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

1

Drain coolant

AR20.00-P-1142FF

2

Slacken bolts (3) of belt pulley (4)

*BA20.10-P-1002-01N

3

Remove poly-V belt (5)

AR13.22-P-1202FF

4

Unscrew screws (3) of belt pulley (4)

5

Remove belt pulley (4)

6

Unscrew bolts (2) of coolant pump (1)

*BA20.10-P-1001-01N

7

Take out coolant pump (1) toward bottom

Installation: Clean the sealing surfaces on the crankcase and on the coolant pump (1).

8.1

Remove (6) gasket from coolant pump (1) and check

When reusing the removed coolant pump (1).

Clean sealing surfaces of the coolant pump (1).

Installation: The gasket (6) is not available separately. If the gasket (6) is damaged, it must be replaced together with the coolant pump (1).

9

Install in the reverse order

Danger!

Risk of accident caused by vehicle starting off by itself when engine is running. Risk of injury caused by contusions and burns during starting procedure or when working near the running engine

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

AS00.00-Z-0005-01A

10

Conduct engine test run and check cooling system in the area of the coolant pump (1) for leaks

Coolant pump, coolant thermostat

Number

Designation

Engine
134.910

Engine
134.911

Engine
135.930

Engine
135.950

BA20.10-P-1001-01N

Bolt connecting coolant pump to crankcase

Nm

9

9

9

9

BA20.10-P-1002-01N

Bolt connecting pulley to coolant pump

Nm

9

9

9

9

Referenced documents