![Ski-Doo Formula 500 1998 Shop Manual Download Page 55](http://html1.mh-extra.com/html/ski-doo/formula-500-1998/formula-500-1998_shop-manual_1287403055.webp)
Section 03
TROUBLESHOOTING
Subsection 02
(ENGINE)
03-02-10
ENGINE LEAK VERIFICATION FLOW CHART
PRESSURIZE ENGINE
IS ENGINE LEAKING?
CHECK ALL JOINTED SURFACES,
SCREW/STUD THREADS. MOUNTING
FLANGES ETC.
ANY LEAK FOUND?
CHECK SMALL OIL LINES OF
INJECTION PUMP
AIR BUBBLES FOUND
OR OIL MOVING
TOWARD PUMP?
REPLACE GASKET OR O-RING,
RE-SEAL LEAKING AREA
REPLACE BANJO FITTING(S)/LINE(S)
REMOVE BLEED SCREW ON CYLINDER HEAD
ARE ANY AIR BUBBLES IN COOLANT?
BLOCK LARGE HOSES OF
ROTARY VALVE GEAR
LUBRICATION SYSTEM
IS ENGINE STILL LEAKING?
REPLACE O-RING OF CYLINDER HEAD
AND/OR CYLINDER BASE GASKET
PRESSURIZE ROTARY VALVE GEAR
RESERVOIR IN CRANKCASE
ARE SEALS LEAKING?
CHECK CRANKSHAFT OUTER
SEAL OF PTO AND
MAG SIDES
PRESSURIZE ROTARY VALVE GEAR
RESERVOIR IN CRANKCASE
IS RESERVOIR LEAKING?
UNSEAL PTO CYLINDER AND MAG
CYLINDER SEPARATELY
IS RESERVOIR LEAKING?
IS RESERVOIR LEAKING?
CHECK LEAKAGE AT DRAIN HOLE
BELOW COOLANT PUMP HOUSING
ANY LEAK FOUND?
REPLACE DEFECTIVE SEAL(S)
REPLACE DEFECTIVE SEAL(S)
REPLACE OIL SEAL OF ROTARY
VALVE SHAFT END, BESIDE
COOLANT SEAL
REPLACE DEFECTIVE SEAL
REPLACE DEFECTIVE PARTS
REMOVE ROTARY VALVE COVER, CHECK
SEAL OF ROTARY VALVE SHAFT
IS SEAL LEAKING?
CAREFULLY INSPECT ENGINE CASTINGS,
PARTICULARLY THE THREAD HOLE AREAS
ANY LEAK FOUND?
ENGINE IS PERFECTLY SEALED
INTERNALLY
NO
YES
YES
YES
YES
NO
NO
NO
YES
YES
YES
NO
NO
YES
NO
NO
NO
NO
YES
YES
YES
NO
ENGINE LEAK VERIFICATION
FLOW CHART
A00A23S
YES
NO
Summary of Contents for Formula 500 1998
Page 1: ......
Page 358: ...SKANDIC WT SWT ANNEX 1 ...
Page 359: ......
Page 360: ......
Page 361: ...SKANDIC WT LC ANNEX 2 ...
Page 362: ......
Page 363: ......
Page 364: ...MX Z440 ANNEX 3 ...
Page 365: ......
Page 366: ......
Page 367: ......
Page 368: ......
Page 369: ...MX Z 500 583 670 ANNEX 4 ...
Page 370: ......
Page 371: ......
Page 372: ......
Page 373: ......
Page 374: ...FORMULA Z 583 670 ANNEX 5 ...
Page 375: ......
Page 376: ......
Page 377: ......
Page 378: ......
Page 379: ......
Page 380: ...FORMULA 500 DL 583 DL ANNEX 6 ...
Page 381: ......
Page 382: ......
Page 383: ......
Page 384: ......
Page 385: ......
Page 386: ...FORMULA 500 SUMMIT 500 583 670 ANNEX 7 ...
Page 387: ......
Page 388: ......
Page 389: ......
Page 390: ......
Page 391: ......
Page 392: ...GRAND TOURING 500 583 ANNEX 8 ...
Page 393: ......
Page 394: ......
Page 395: ......
Page 396: ......
Page 397: ......
Page 398: ......