Pinion And Ring Gear Inspection - GMC chevrolet camaro 2000 Service Manual

4-48 Rear Drive Axle
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J 8614-01
164050
Driveline/Axle
5. Hold the drive pinion gear flange.
6. Use J 8614-01 in order to tighten the drive pinion
gear nut to the position previously marked.
Tighten
Tighten the nut to 1.59 mm (1/6 inch) beyondthe
alignment mark.
7. Install the propeller shaft. Refer to Propeller Shaft
Replacement
~
One Piece
or
Propeller Shaft
Replacement - Two Piece.
8. Lower the vehicle.
9. Road test for any abnormal rear axle operation,
such as whines or howls.
Pinion and Ring Gear Inspection
Inspect the rear axle before disassembly. This will aid
in determining the type of repairs or adjustments
that are necessary.
The following conditions may cause rear axle noise:
• Improper backlash
(
• The inner bearing preload of the differential drive (,·
pinion gear
• The outer bearing preload of the differential drive
pinion gear
• The differential side bearing preload
• Any combination of the above items
Measure the following items before removing the
differential case from the housing:
• The backlash
• The total differential preload
• The tooth contact pattern
Record and analyze these measurements before you
remove the differential case from the housing.
Do not allow foreign matter (such as dirt. or sand) near
the rear axle. The presence of foreign matter in the
rear axle may cause rear axle failure.
(