BOMBARDIER ski-doo Tundra Scandic 2004 Series, Shop Manual

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Section 04 ENGINE
Subsection 05 (LEAK TEST AND ENGINE DIMENSION MEASUREMENT)
MMR2004-114_04_05A.FM
04-05-3
If pressure drops, it indicates a defective crank-
shaft inner seal.
CRANKSHAFT INSTALLED IN UPPER HALF CRANKCASE
1. Crankshaft inner seal on PTO side
2. Crankshaft inner seal on MAG side
1. Check leak indicator hole below coolant pump
housing with soapy water.
1. Leak indicator hole
If there is a leak, it indicates defective seal of
pump shaft (oil seal beside coolant ceramic seal).
2. Leaks can be also on oil pump side. Check mount-
ing area for leaks.
1. Check mounting area
3. If leak still persists, it indicates a defective cast-
ing somewhere in engine.
Disassemble engine and carefully check for de-
fects in castings. Pay attention to tapped holes
which may go through engine sealed area and
thus lead to leakage.
FINALIZING REASSEMBLY
After reassembling engine, always recheck for leak-
age.
2
A32C1IA
1
A32C1JA
1
A32C1GB
1