Section 03 TROUBLESHOOTING
Subsection 01 (TROUBLESHOOTING CHART)
03-01-8 SMR2000-042-03-01.FM
ABNORMAL NOISE FROM PROPULSION SYSTEM
NOTE: Prior to replacing a MPEM, refer to the MPEM section or MPEM replacement in the ENGINE
MANAGEMENT section and read carefully the tests to do before replacing a MPEM that could otherwise
be good.
OTHER OBSERVATION POSSIBLE CAUSE REMEDY
• Weeds/debris caught in intake grate
or impeller
• Check/clean
• Low oil level in jet pump • Check/troubleshoot source of leak/re-
fill supply, refer to section PROPUL-
SION SYSTEM
• Worn anti-rattle system • Check/replace pusher in cover, refer to
section PROPULSION SYSTEM
• Damaged or bent drive shaft • Check/replace, refer to section PRO-
PULSION SYSTEM
• Broken engine mounts • Check/replace, refer to section ENGINE
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