TM 10-3930-664-10 MALFUNCTION TEST OR INSPECTION CORRECTIVE ACTION Step 2. Check oil for dilution, dirt, or contamination.  Remove dipstick and visually inspect oil to see if it looks dirty, is thin or black, or has a milky discoloration.  Wipe dipstick between thumb and forefinger and note if it feels gritty. Report condition of oil to Organizational Maintenance. Step 3. Check for loose or broken wire connection at oil pressure sender. Report loose or broken wire to Organizational Maintenance. Step 4. Check for loose or broken wire at oil pressure gauge. Report loose or broken wire to Organizational Maintenance. 11.  TRANSMISSION OVERHEATS CAUTION Operation of the transmission above 250° F (121° C) will cause damage to the transmission parts and result in transmission failure. Step 1. Check for low transmission oil level. Add transmission oil as required.  Refer to L010-3930-664-12 3-7