2004 Ski-Doo REV Series Factory Service Manual, Page 139Get this manual
Section 04 ENGINE Subsection 02 (ENGINE LEAK TEST AND DIMENSION MEASUREMENT)
Check weep hole below coolant pump housing with soapy water
A32C1JA
1Weep hole
If there is leak, it indicates that pump shaft is defective (oil seal beside coolant ceramic seal) Leaks can be also on oil pump sideCheck mounting area for leaks
A32C1GB