GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2006 🢒 Rainier 🢒 Driveline/Axle 🢒 Front Drive Axle 🢒 Constant Noise

Checks

Action

Flat spot on the pinion or the ring gear teeth

Replace the pinion and the ring gear. Refer to Differential Carrier Assembly Disassemble .

Flat spot on the pinion bearing

Replace the bearing. Refer to Differential Carrier Assembly Disassemble .

Worn pinion splines

Replace the pinion. Refer to Differential Carrier Assembly Disassemble .