184000299 - 1088C WATER PUMP AND THERMOSTAT
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 < 88 ± 2°C the (closed) thermostatic valve directs the coolant directly towards the pump;
- at a temperature of > 88 ± 2°C, the thermostatic valve (open) conveys coolant to the radiator.