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2008
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Sierra 3500 2WD V8-6.6L DSL Turbo
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Drivetrain - Rear Differential Whining Noise
Drivetrain - Rear Differential Whining Noise
This TSB number 08-04-20-001, dated 02/28/08 has been superceded by TSB number 08-04-20-001A , dated 04/10/08