ar2010s1271b

Removing and installing engine coolant pump

Type ar · topic 20.10 · version 0104 · 1999-08-03

Applies to: ENGINE 601 in MODEL 638.0 /1 /2

Where it sits

Function group 1 Engine › 20 Engine cooling system › 20.10 Coolant pump, coolant thermostat — Series 601 · Series 638 (models 0**, 1**, 2**)

EinPAS 15 Engine › 15.25 Engine cooling system › 15.25.30 Pump/thermostat/preheater — Series 601 · Series 638 (models 0**, 1**, 2**)

AR20.10-S-1271B

Removing and installing engine coolant pump

4.5.95

ENGINE 601 in MODEL 638.0 /1 /2

Removing and installing engine coolant pump

S20.10-2000-09

1 Screw

2 Pulley

3 Screw

4 Coolant pump

5 Adjustment sleeve

6 Gasket

7 Damper

8 Tensioner lever

Removing, installing

Danger!

Risk of injury to skin and eyes from scalding from hot coolant which splashes out. Risk of poisoning from swallowing coolant.

Do not open the cooling system unless the coolant temperature is below 90 °C. Open cap slowly and allow the pressure to release. Do not pour coolant into containers for drinks.

Wear protective gloves, protective clothes, and eye protection.

AS20.00-Z-0001-01A

1

Drain coolant

AP20.00-D-2080A

2

Remove air cleaner housing

AR09.10-S-1150B

3

Slacken bolts (1) of belt pulley (2) at coolant pump (4)

*BA20.10-N-1001-01B

Counterholder

*603589004000

4

Remove poly V-belt

AP13.22-D-1381A

5

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

6

Detach shock absorber (7) of tensioning device at cylinder head

Shock absorber (7) can remain installed at tensioning lever (8).

*BA13.25-N-1003-01B

7

Remove coolant pump (4)

Slacken bolts (3) evenly.

Installation: clean sealing surfaces, replace gasket (6).

Insert bolt before installing coolant pump (arrows).

Pay attention to dowel sleeves (5), tighten bolts (3) evenly.

Push engine away to the side in order to remove coolant pump (4).

*BA20.10-N-1002-01B

8

Install in the reverse order

Inspecting

9

Inspect cooling system for leaks

AR20.00-S-1010B

Belt tensioning device

Number

Designation

Engine 601.942/
970

BA13.25-N-1003-01B

Shock absorber to cylinder head

Nm

21

Coolant pump, coolant thermostat

Number

Designation

Engine 601.942 601.970

BA20.10-N-1001-01B

Bolts of belt pulley to coolant pump

Nm

10

BA20.10-N-1002-01B

Coolant pump to coolant pump housing

Nm

10

Removing and installing engine coolant pump

603 589 00 40 00

Bracing tool

Referenced documents