ar2010d2710us

Remove/install coolant thermostat housing

Type ar · topic 20.10 · version 0100 · 2007-09-13

Applies to: ENGINE 272.979 in MODEL 906

Where it sits

Function group 1 Engine › 20 Engine cooling system › 20.10 Coolant pump, coolant thermostat — Series 906

EinPAS 15 Engine › 15.25 Engine cooling system › 15.25.30 Pump/thermostat/preheater — Series 906

Also applies to engines/gearboxes: 272 979

AR20.10-D-2710US

Remove/install coolant thermostat housing

29.8.07

ENGINE 272.979 in MODEL 906

Remove/install coolant thermostat housing

D20.10-1115-09

1 Coolant thermostat housing

2 Pulley

3 Gasket

R48/1 Thermostat

4 Electrical connector

5 Screw

6 Coolant hose

Remove/install

1

Drain coolant at radiator

AR20.00-D-1140SD

2

Remove guide pulley (2)

AR13.21-D-3350US

3

Remove coolant hose (6) on the coolant thermostat housing (1)

Coolant hose (6) with Henn coupling.

AR09.41-P-1311-01AL

4

Disconnect electrical connector (4) at the thermostat (R48/1)

5

Unscrew bolts (5) and detach the coolant thermostat housing (1) at the timing case

The thermostat (R48/1) and the coolant thermostat housing (1) are tightly connected to each other. The thermostat (R48/1) must not be taken out of the coolant thermostat housing (1) as it gets damaged in the process.

Installation: Replace seal (3).

*BA20.10-N-1003-01S

6

Install in the reverse order

7

Inspecting cooling system for leaks

AR20.00-S-1010S

Coolant pump, coolant thermostat

Number

Designation

Engine
272.979
in model
906

BA20.10-N-1003-01S

Bolt, coolant thermostat housing to timing case cover

Nm

25

Referenced documents