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Home >> GMC >> 1991 >> Value Van 7.4 N >> Repair and Diagnosis >> Drivelines & Axles >> Driveshaft & Universal Joints >> Drive Shaft & Universal Joints >> Adjustments >> Drive Shaft Phasing >> 1-Piece Shafts

1-Piece Shafts

Ensure flange on each end of drive shaft is in same plane. Check for arrows on slip joint and drive shaft to aid in alignment. If flanges are not in same plane, disassemble universal joint and align. See Fig 1.

Fig 1: Phase Alignment of 1-Piece Drive Shaft
G28877