TM 10-3930-664-10 MALFUNCTION TEST OR INSPECTION CORRECTIVE ACTION Step 4. Check for low or high engine oil level. Add oil if necessary.  Refer to LO10-3930-664-12. Report over filled engine oil level to Organizational Maintenance. 8. EXCESSIVE OIL CONSUMPTION Step 1. Check for leaks at the oil filter or the drain plug on the oil pan. Report leaks to Organizational Maintenance Step 2. Check for diluted oil.  Remove dipstick and visually inspect oil to see if it is thin and black or has a milky discoloration. Report diluted oil to Organizational Maintenance. 9. EXCESSIVE EXHAUST SMOKE Step 1. Check air cleaner restriction indicator to see if red flag shows (indicates air cleaner is clogged.) Service air cleaner.  (Refer to par 3-10). Step 2. Check to see if the engine oil level is high. Report over filled engine oil level to Organizational Maintenance. 10.  LOW ENGINE OIL PRESSURE Step 1. Check for low engine oil level. Add oil as necessary.  Refer to L010-3930-664-12. 3-6