1396
UnclassifiedCooling
What This Code Means
High exhaust temperatures; Power loss; Excessive fan usage; Reduction in fuel economy; Fan failure; Potential engine damage; Inlet manifold air temperature exceeding 65°C (150°F)
Possible Causes
- •Airflow restriction from devices mounted in front of radiators
- •Interrupted airflow on the fan blades
Suggested Actions
- 1Avoid using airflow restriction devices mounted in front of radiators
- 2Ensure any airflow restriction device used has a permanent, centered opening directly in line with the fan hub
- 3Ensure the airflow restriction device has a minimum opening dimension of at least 770 cm² (120 in²)
- 4Install a warning device for the inlet manifold temperature set at 65°C (150°F)
- 5Install an inlet air temperature gauge
Related Caterpillar Fault Codes
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