1. |
Disconnect the radiator fan motor
connector.

|
2. |
Set the temperature control switch to the hot
position. |
3. |
Loosen the radiator drain plug to drain
coolant. |
4. |
Disconnect the upper and lower hose and
overflow tube. |
5. |
For vehicles with automatic transmission,
disconnect the oil cooler hoses from the automatic
transmission.
Plug the ends of the oil cooler hoses
and the automatic transmission fittings to prevent
transmission fluid from spilling out and foreign materialfrom
entering. | |
6. |
Remove the radiator mounting
bolts. |
7. |
Remove the radiator and the fan motor
together. |
8. |
Remove the fan motor from the
radiator. |
1. |
Check the radiator for bent, broken or plugged
fins. |
2. |
Check the radiator for corrosion,damage, rust
or scale. |
3. |
Check the radiator hoses for crack, damage or
deterioration. |
4. |
Check the reservoir tank for
damage. |
5. |
Check the radiator cap spring for
damage. |
6. |
Test the pressure of the cap using a machine
for checking a cooling system. |
7. |
Check the radiator cap seal for crack or
damage. |
RADIATOR FAN MOTOR
1. |
Check that the radiator fan rotates when
battery voltage is applied to the terminals.

|
2. |
Check that abnormal noises are not produced
while the motor is turning. |
1. |
Fill the radiator and reservoir tank with
clean coolant mixture. |
2. |
Run the engine until the thermostat opens, and
then stop the engine. |
3. |
Remove the radiator cap, and add coolant up to
the filler neck of the radiator, and then fill the reservoir tank to
the upper level. Replace theradiator
cap. |
4. |
Check that there are no leaks from the
radiator, hoses or
connections. | |