2004 Bombardier Quest/Traxter Series Shop Manual, Page 81Get this manual
Section 03 ENGINE QUEST Subsection 03 (LEAK TEST)
LEAK TEST
VERIFICATION
Before performing the cylinder leak test, verify the following: intake portair filter contamination (clogged) from dirt, sand, etc(leads to worn valves, piston rings and finally to lack of power) CAUTION: If piston ring andor valve is replaced, always clean the whole engine and replace oil and oil filter blue exhaust gas indicates damagedworn piston rings clamp(s) tightness radiator and hoses oily contamination on leak indicator hole (speed sensor area) means damaged oil seal on water pump shaft coolant out of leak indicator hole means damaged rotary seal on water pump shaft (refer to COOLING SYSTEM) coolant flowing out from water pump housing means damaged gasket(s) andor loosened screws (refer to COOLING SYSTEM)NOTE: For all the checkpoints mentioned above see the appropriate engine section to diagnose and repair the engineRemove: vehicle seat radiator cap inlet hose of CVT coverUnplug and remove ignition coilRemove spark plug from cylinder headNOTE: Ignition coil can help to remove spark plug1 2