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Home >> GMC Truck >> 2012 >> Sierra 1500 4WD V8-6.2L >> Repair and Diagnosis >> Technical Service Bulletins >> Superceded Bulletins >> 12-04-21-001 - 04/27/12

12-04-21-001 - 04/27/12

This TSB number 12-04-21-001, dated 04/27/12 has been superceded by TSB number 12-04-21-001B , dated 04/11/13

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