Operation CHARM
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GMC Truck
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1991
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K 2500 Truck 4WD V8-379 6.2L DSL VIN C FI
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Repair and Diagnosis
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Transmission and Drivetrain
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Manual Transmission/Transaxle
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Testing and Inspection
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Diagnosis By Symptom - Muncie 5LM60 (Hm-290) 4 & 5 Speed
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Noisy Operation - Muncie 5LM60 (Hm-290) 4 & 5 Speed
Noisy Operation - Muncie 5LM60 (Hm-290) 4 & 5 Speed
1.
Lubricant level low.
2.
Synchronizers worn or damaged.
3.
Bearings worn or damaged.
4.
Gears worn or damaged.