Altima SE L4-2.4L (KA24DE) (1997)
Coolant: Service and Repair
WARNING:
To avoid being scalded, never change the coolant when the engine is hot.
DRAINING ENGINE COOLANT
1. Set air conditioning system as follows to prevent coolant from remaining in the system:
Automatic air conditioning
1. Turn ignition switch from "OFF" to "ON".
2. Within 5 seconds after ignition switch is turned "ON", press "OFF" switch and hold in for at least 5 seconds.
3. Press (HOT) switch 3 times.
4. Press (DEF) switch 2 times.
5. Confirm indication of the A/C display as shown above.
6. Wait 10 seconds before turning ignition switch "OFF". This step is necessary to allow heater water cock to open wide.
Manual air conditioning
1. Turn ignition switch "ON" and set temperature controller to maximum hot position.
2. Wait 10 seconds before turning ignition switch "OFF".
2. Open drain plug at the bottom of radiator, and remove radiator cap.