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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 158 (Supplemental Inflatable Restraint System) >> Adjustments >> Centering Sir Coil Assembly >> With Centering Window & Service Lock

With Centering Window & Service Lock

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Hold SIR coil face up. See Figure. While depressing service lock, rotate coil hub clockwise until it stops. Rotate coil hub counterclockwise slowly until centering window appears Yellow and line-up marks are aligned. Release service lock.