3360119 - 1088C WATER PUMP AND THERMOSTAT

DESCRIPTION OF COMPONENTS

WATER PUMP

This is a centrifugal vane pump with an aluminium alloy casng and phenolic resin impeller.Secured to the engine crankcase and driven directly by timing belt.

THERMOSTAT

Fitted to the rear of the cylinder head and performs the function of maintaining the engine at optimum temperature:

  • with temperature < 80 ± 2°C the thermostat valve (closed) deviates fluid directly toward the pump.
  • with temperature > 80 ± 2°C the thermostat valve (open) deviates coolant directly toward the radiator.
The engine coolant temperature sensor is fitted on the thermostat and is connected to the injection control unit and the instrument panel.    See descriptions 1060G DIESEL INJECTION PRESSURE PUMP ELECTRONIC CONTROL.