Engine cooling system Toyota Corona 9 (T190)

Description of the cooling system
Scheme of the cooling system for 3S-FE engines; 3S-GE; 4S-FE. 1 - from the radiator; 2 - inlet pipe; 3 - thermostat; 4 - coolant pump; 5 - idle speed control valve; 6 - throttle body; 7 - from the heater; 8 - to the...

Coolant pump
Parts for removing and installing the coolant pump (3S-FE; 4S-FE; 3S-GE). 1 - coolant pump; 2 - gasket; 3 - coolant pump cover; 4 - generator adjusting bracket; 5 - intermediate pulley; 6 - ring seal; 7 - roller spring...

Thermostat — removal and installation
Removing the thermostat (3S-FE, 3S-GE, 5E-FE, 4A-FE, 4S-FE, 7A-FE) 1 - thermostat, 2 - gasket, 3 - inlet pipe, 4 - coolant temperature sensor connector, 5 - nut (M3=9.3 Nm). Removing the thermostat Note: Do not remove...

Radiator — cleaning and checking
Radiator cleaning Flush the radiator with a high pressure hose to remove dirt from its core. Note: if the water pressure at the outlet of the hose is higher than 30-35 bar, then it is necessary to keep the spray nozzle...

Electric fan of the cooling system — check
Note: Air-conditioned models are equipped with two electric fans (one is the electric fan of the radiator of the cooling system, the second is used to cool the air conditioner condenser). Vehicle check 1. Check the...

Checking sensors and relays
The layout of the elements of the electric fan control system on the car (4A-FE, 7A-FE): 1 - electric fan of the cooling system, 2 - sensor-switch for coolant temperature, 3 - main fuse "MAIN" FL (2,0 L), 4 - relay and...

Checking the fan motor
1. Disconnect the fan electrical connector. 2. Connect the ammeter and battery to the fan connector as shown. After making sure that the fan rotates freely, read the ammeter. Rated current: 2C: No. 16363-15120 - 3.2-4.4...