GMC chervolet camaro 1999 Service Manual page 469

4-54 Rear Drive Axle
4 3
7566
Driveline/Axle
Increase the backlash in order to move the differential
drive pinion gear further away from the centerline of
the differential ring gear. This will cause the following
tooth contact pattern to exist:
• Low toe contact on the drive side (4) moves up
and toward the heel (2).
• Low heel contact on the coast side (3) moves up
and toward the toe (1 ).
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