2004 Bombardier Quest/Traxter Series Shop Manual, Page 97Get this manual
Section 03 ENGINE QUEST Subsection 05 (COOLING SYSTEM)
Unscrew bleeding screw on top of thermostat housing
R610motr26A
R610motr27A
1Bleeding screw
With vehicle on flat surface, engine cold, refill radiator no18When the coolant comes out by the thermostat housing hole, install the bleeding screw and remove the hose pincherInstall the radiator capNOTE: Do not forget gasket ring when bleeding screw is installedTorque bleeding screw to 10 Nm (89 lbfin)Refill coolant tank no16 up to cold level markInstall the coolant tank capRun engine until thermostat opens then stop engineWhen engine has completely cooled down, recheck coolant level in radiator and coolant tank and top off if necessaryEvery 100 hours or once year, check coolant concentration (freezing point) with proper tester