1 – oil radiator hose for cars with automatic transmission; 2 – lower support; 3 – lower radiator hose; 4 – upper support; 5 – radiator cap; 6 – drain pipe; 7 – Upper radiator hose; 8 – expansion tank.
Removal
1. Disconnect the negative battery cable and the connector from the radiator fan motor.
2. Set the temperature control knob in the car to the maximum temperature.
3. Remove the radiator drain plug and drain the coolant into a suitable container.
4. Loosen the clamps and disconnect the upper and lower hoses from the radiator.
5. On vehicles with automatic transmission, disconnect the hoses from the oil cooler.
Warning: To prevent transmission fluid from leaking out and dirt from entering the system, close the ends of the oil cooler hoses with suitable plugs.
6. Remove the radiator mounting bolts.
7. Remove the radiator together with the radiator fan.
8. Remove the fan motor from the radiator.
Examination
1. Check for bent radiator fins. If necessary, straighten the fins using a comb.
2. Check the radiator for cracks, damage and leaks.
3. Check the radiator hoses for cracks, damage or abrasions.
4. Check the expansion tank for damage.
5. Check the radiator cap.
6. Check the opening pressure of the radiator cap valve.
7. Check the radiator cap gasket for cracks or damage.
Checking the radiator fan motor
1. Check that the radiator fan motor rotates when power is supplied to it from the battery.
2. Check that there are no extraneous noises when the engine is running.
Installation
1. Installation is carried out in the reverse order of removal. Fill the cooling system with the required amount of the required coolant.
2. Start the engine and let it run until the thermostat valve opens, then stop the engine.
3. Remove the radiator cap and add coolant to the top of the radiator neck.
4. Check for leaks in the cooling system.