2004 Skidoo ZX Series Service Manual, Page 236Get this manual
Section 05 ENGINES (4-TEC) Subsection 04 (COOLING SYSTEM)
COOLING SYSTEM LEAK TEST
WARNING
To prevent burning yourself, do not work on cooling system when the engine is hotRemove pressure cap no30Install special radiator cap (PN 529 021 400) included in engine leak tester kit (PN 861 749 100) on coolant tank no28Install hose pincher (PN 295 000 076) on overflow hose no26Using the hand pump (PN 529 021 800) pressurize all system through coolant tank to 120 kPa (17 PSI)Check all hoses, radiators no27 and cylinderbase for coolant leaks
A32CCDA
1Leak indicator hole 2Alternator 3Water pump
NOTE: Flowing coolant indicates damaged rotary seal no5Oil out of the leak indicator hole indicates defective oil seal no4