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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> Drivelines & Axles >> Differentials & Drive Axles >> Rear Drive Axle >> Repair Instructions >> Gear Tooth Contact Pattern Inspection >> Correct Contact Pattern

Correct Contact Pattern

Condition 

The backlash and pinion depth is correct.

Correction 

None required.

Service Hints 

Loose bearings on the drive pinion or in the differential case may cause patterns that vary. If the contact pattern varies, inspect the following preload settings:

If these settings are correct, inspect for damage or incorrectly assembled parts.

Fig 1: Correct Contact Pattern
G01671009Courtesy of GENERAL MOTORS CORP.