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TM 10-3930-669-34
2-12. DRIVE AXLE TROUBLESHOOTING (CONT.).
2. DRIVE AXLE NOISE GREATER UNDER POWER THAN DURING 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
Ring gear and pinion assembly faulty.
Planetary gears and/ or bearing faulty.
TEST OPTIONS
Visual inspection.
REASON FOR QUESTION
If ring gear is faulty, drive axle will be
noisier under power than during coasting.
2-76
(Para 10-2).
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