125000311 - 1088C WATER PUMP AND THERMOSTAT

CONSTRUCTION FEATURES

Water pump

It is the centrifugal vane type, with an aluminium alloy pump casing and phenolic resin impeller.Secured to the engine block and driven directly by the timing belt.

Thermostat

Mounted on the rear of the cylinder head, its function is to keep the engine at the optimum temperature:

  • at a temperature of < 83 ± 2°C, the thermostatic valve (closed) diverts the coolant directly to the pump,
  • at a temperature of > 83 ± 2°C, the thermostatic valve (open) conveys coolant to the radiator.
Mounted on the thermostat, there is the coolant temperature sensor connected to the fuel injection control unit 1056F DIRECT PETROL INJECTION SYSTEM.