Low Flank Contact Pattern: Correction
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2003 GMC Yukon XL, 2003 GMC Yukon, 2003 Chevrolet Tahoe, 2003 Chevrolet Suburban, and 2003 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
Decrease the pinion depth. Move the pinion gear away from the ring gear by decreasing the pinion shim thickness. Refer to PINION DEPTH ADJUSTMENT (8.6 INCH, 9.5 INCH AXLES) or PINION DEPTH ADJUSTMENT (9.75 INCH AXLE) or PINION DEPTH ADJUSTMENT (10.5 INCH AXLE) .