2008 Arctic Cat ThunderCat ATV Service Manual, Page 85Get this manual
NOTE: Always use large container and have sufficient floor drying material available when draining the coolant in case of coolant spillage
! CAUTION
Do not force the water pump housing into the crankcase or sever engine damage may occur
2Remove the coolant hoses from the water pump; then remove two cap screws securing the water pump to the crankcase
3Secure the water pump with the two cap screws and tighten securely; then connect the coolant hoses and secure with hose clamps4Tighten the coolant drain plug securely; then fill the cooling system with appropriate mixed coolant and install the radiator cap5Start the engine and check for coolant leaks; then add coolant if necessary to proper level
! CAUTION
After operating the ATV for the initial 5-10 minutes, stop the engine, allow the engine to cool down, and check the coolant levelAdd coolant as necessaryGZ230A
3Remove the water pump from the engineINSTALLING 1Install new O-ring onto the water pump and lightly coat with clean engine oil