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TM 10-3930-669-34
2-12. DRIVE AXLE TROUBLESHOOTING (CONT.).
1. DRIVE AXLE NOISE SAME UNDER POWER AND COAST.
INITIAL SETUP
Tools and Special Tools
References
Tool Kit, General Mechanic’s: Automotive
TM 10-3930-669-10
(Item 1, Appendix E)
Equipment Condition
Engine OFF (TM 10-3930-669-10)
MAIN POWER switch OFF (TM 10-3930-669-10)
Parking brake applied (TM 10-3930-669-10)
Wheels choked (TM 10-3930-669-10)
KNOWN INFO
Nothing.
POSSIBLE PROBLEMS
Wheel bearing faulty.
TEST OPTIONS
Visual inspection.
REASON FOR QUESTION
If wheel bearing are faulty, drive axle
will be unusually noisy under power
and during coasting.
(Para 9-2).
2-72
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