ar2010p1271rx

Remove/install coolant pump

Type ar · topic 20.10 · version 0100 · 2006-01-19

Applies to: ENGINES 272, 273 in MODEL 230

Where it sits

Function group 1 Engine › 20 Engine cooling system › 20.10 Coolant pump, coolant thermostat — Series 230

EinPAS 15 Engine › 15.25 Engine cooling system › 15.25.30 Pump/thermostat/preheater — Series 230

Also applies to engines/gearboxes: 272 ***, 273 ***

AR20.10-P-1271RX

Remove/install coolant pump

9.1.06

ENGINES 272, 273 in MODEL 230

Remove/install coolant pump

P20.10-2211-09

1 Poly-V-belt

2, 3 Pulley

6 Coolant hose

4 Retaining clamp

5 Coolant pump

Remove/install

1

Switch off ignition

2

Drain coolant from radiator

AR20.00-P-1142RX

3

Remove poly-V belt (1)

AR13.22-P-1202RX

4

Remove guide pulleys (2, 3)

AR13.21-P-3350RX

5

Pry off the retaining clamp (4) of the electrical feed line from the coolant pump (5)

6

Dismount coolant hose (6) from coolant pump (5)

Installation: Replace sealing ring on coolant hose (6).

7

Remove bolts and coolant pump (5) from timing case cover

Installation: Replace gasket and note bolting plan.

AR20.10-P-1271-03VA

Clean

8

Clean the sealing surfaces on the coolant pump (5) and the timing case cover with a rag

9

Install in the reverse order

10

Inspect cooling system for leaks

AR20.00-P-1010RX

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

11

Conduct engine test run and check coolant pump (5) for leaks

Referenced documents