Operation CHARM
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GMC Truck
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2008
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Sierra 1500 4WD V8-4.8L
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Repair and Diagnosis
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Transmission and Drivetrain
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Automatic Transmission/Transaxle
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Specifications
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Mechanical Specifications
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Allison - Automatic Transmission
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Shift Speed (1-2 and 2-3 Shifts)
Shift Speed (1-2 and 2-3 Shifts)
Shift Speed (1-2 and 2-3 Shifts)
