TM 5-3810-307-24-2-1
Cooling System Repair Summary
Component To
Tools
Preparatory Steps
Be Replaced
Drive Belt
Breaker Bar (3/8 inch
square drive)
Belt Tensioner
Remove Drive Belt
13 mm Socket and
Fan Hub
13 mm Socket/Wrench
Remove Drive Belt and Fan Pulley
Water Pump
10 mm Socket/Wrench
Drain Coolant and Remove Drive Belt
Thermostat
10 mm, 18 mm and 19 mm
Drain Coolant, Remove Drive Belt, Loosen
Socket/Wrench
Capscrew, Remove Thermostat
WARNING
Avoid prolonged and repeated skin contact with used antifreeze and wash
thoroughly after contact. Keep out of reach of children. Such prolonged repeated
contact can cause skin disorders or other bodily injury.
Wait until the temperature is below 50 C [120 F] before removing the coolant
system pressure cap. Failure to do so can cause personal injury from heated
coolant spray.