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Page Title:
ENGINE PRODUCES EXCESSIVE NOISE. |
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 TM 10-3930-673-20-1
2
10. ENGINE PRODUCES EXCESSIVE NOISE.
INITIAL SETUP
References
Tools and Special Tools
TM 10-3930-673-10
Tool Kit, General Mechanic's: Automotive
TM 9-4910-571-12&P
(Item 18, Appendix F)
Equipment Condition
Engine running (TM 10-3930-673-10)
Parking brake on (TM 10-3930-673-10)
Wheels chocked (TM 10-3930-673-10)
START
WARNING
1
KNOWN INFO
TEST OPTIONS
Read WARNING on
None.
Visual inspection.
following page.
POSSIBLE PROBLEMS
REASON FOR QUESTION
Is drive belt free from signs of
Drive belt worn, tensioner faulty.
This question eliminates possible
Air intake and/or exhaust blocked.
problems and determines where
wear? Is tensioner
Turbocharger malfunctioning,
troubleshooting continues.
functioning correctly?
faulty.
If drive belt is worn
and/or tensioner
NO
faulty, replace belt
and/or tensioner
(Para 7-9).
YES
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