2003 Bombardier Outlander 400 Factory Service Manual, Page 88Get this manual
Section 03 ENGINE Subsection 05 (COOLING SYSTEM)
DRAINING THE SYSTEM
WARNING
Never drain or refill cooling system when engine is hotTo drain cooling system, partially unscrew cooling drain plug no1 on the engine MAG side and remove radiator cap no11
Coolant Replacement Procedure WARNING
To prevent burning yourself do not remove the radiator cap or loosen the engine drain plug if the engine is hotDrain the system completelyPinch radiator inlet hose no14 between radiator and thermostat housing with large hose pincher (PN 529 032 500)
V07C0AA R400motr133A
1Hose pincher
1Cooling drain plug