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Sierra 2500 4WD V8-6.6L DSL Turbo
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A/T - Transmission Oil Cooler Line Leak
A/T - Transmission Oil Cooler Line Leak
This TSB number 08-07-30-049A, dated 03/18/09 has been superceded by TSB number 08-07-30-049B , dated 04/19/11