Inspection - Chevrolet 1988 Light Duty Truck Repair Manual

4B1-4 AND 7
7 1/2

INSPECTION

It is very im portant to carefully and thoroughly inspect
all drive unit parts before reassembly.
Thorough inspection of the drive parts for wear or
stress and subsequent replacem ent of worn parts will
elim inate costly drive com ponent repair after reassembly.
/s-INCH RING GEAR AXLES
5
Figure 5— Pinion Collapsable Spacer
AXLE HOUSING
I?
In sp ect
The c a rrie r bore for nicks or burrs th a t w ould
•
prevent the outer diam eter of the pinion seal from
sealing. Remove any burrs that are found.
• The bearing cup bores for nicks or burrs. Remove
any burrs that are found.
• The housing for cracks. Replace the housing if any
cracks are found.
• The housing for foreign m aterial such as metal
chips, dirt, or rust. Refer to " C le a n in g " in this
section.
DIFFERENTIAL
L*
In sp ect
Pinion gear shaft for unusual wear.
Pinion gear and side gear teeth for wear, cracks,
scoring, and spalling.
Thrust washers for wear.
The fit of the differential side gears in the differential
case.
The fit of the side gears on the axle shafts.
Differential case for cracks and scoring.
Replace all worn parts.