Isuzu 1999 RODEO Workshop Manual page 584

6B–2 ENGINE COOLING (X22SE 2.2L)
General Description
Legend
(1) Water Pump
(2) Thermostat
(3) Radiator
(4) Reserve Tank
The Cooling System is a pressurized type, where the
water pump, which is cambelt driven, forces the
circulation of the coolant through the cylinder block and
head. The thermostat regulates the flow of coolant
between the radiator and the bypass circuit. The heater is
part of the bypass circuit. The throttle body pre–heat is a
separate circuit which is not regulated by the thermostat.
An oil cooler may be fitted as part of this circuit.
Water Pump
The water pump is centrifugal type and is driven by timing
belt.
(5) Coolant Distributor
(6) Cylinder Block and Head
(7) Throttle Body
(8) Heater
111RW001
030RW003