Operation CHARM
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2006
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Sierra 3500 4WD V8-6.6L DSL Turbo
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Differential Assembly
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System Specifications
Manuals through 2025 now available!
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Link:
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System Specifications
FRONT AXLE
SAE 80W-90 Axle Lubricant (GM Part No. U.S. 1052271, in Canada 10950849).
REAR AXLE
SAE 75W-90 Synthetic Axle Lubricant (GM Part No. U.S. 12378261, in Canada 10953455) meeting GM Specification 9986115.