Learn Procedure
- Make sure all electrical items (A/C, audio, rear window defogger, lights, etc.), are off.
- Start the engine, and hold it at 3,000 RPM with no load (in Park or neutral) until the radiator fan comes on, or until engine coolant temperature reaches 194°F (90°C).
- Let the engine idle for about 5 minutes with the throttle fully closed.
NOTE:
If the radiator fan comes on, do not include its running time in the 5 minutes.