Cooling Circuit / System Check
LC-36flowchartTurbocharger node in cooling circuit applies to SR20DET engine only.
Cooling Circuit (coolant flow path)
1
Radiator
Reservoir tank
2
Thermostat
3
Thermostat housing
4
Water pump
Oil cooler
Oil cooler
Water outlet
Radiator
Throttle chamber
Throttle chamber
Air regulator
Heater
Water outlet
Radiator
5
Cylinder block
Cylinder head
Cylinder head
Water outlet
Radiator
SR20DET only
6
Turbocharger (SR20DET only)
7
Air regulator
8
Heater
9
Water outlet
return to step 1
System Check
WARNING
Never remove the radiator cap when the engine is hot; serious burns could be caused by high pressure fluid escaping from the radiator. Wrap a thick cloth around the cap and carefully remove it by turning it a quarter turn to allow built-up pressure to escape and then turn the cap all the way off.