Oil Coolers

Component Maintenance Malfunction Causes Remedies
Tube shell Oil Cooler Engine oil coolers Check gaskets for leaks; test cooling system for oil contamination; test oil for contamination. Leaking gaskets; tube pack leaks; O-ring leaks; over heats. Vibration and electrolysis most common, age of o-rings and gaskets; loose bolts. Repair or replace tube pack; repair or replace o-rings and gaskets.
Air to oil tube and fin construction Clean and straighten damaged fins. Lack of airflow through cooler; over heating; leaking. Plugged; vibration; age; stress Clean and repair or replace.