High 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.
Increase the pinion depth. Move the pinion gear closer to the ring gear by increasing 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) .