Preventive Maintenance Checks and Services (PMCS) - Continued.
ITEM TO BE
duty radiator cleaner and follow manufacturer's
Engine Coolant Change.
d. Replace plug, close drain valve, and refill cooling
system with a 50/50 mixture of water and ethylene-glycol
type antifreeze. Adequate venting is provided for a fill
rate of 32 qt (30.38 L) per minute, so allow time for air to
be expelled in order to get a complete fill.
e. Install radiator cap and start engine. Check for
leaks while running engine for 5 minutes.
f. Remove radiator cap, recheck coolant level, and
add coolant if necessary.