Chevrolet 1980 Light Duty Truck Repair Manual page 76

4B-6 REAR AXLE DIFFERENTIAL
C A R R IE R
Tool J-22779
R IN G G EA R SIDE
Thickness of Tool J-2 27 79
required
.2 5 0 "
gear
pinion
T O
- .0 1 0 "
moved away from
.2 4 0 "
side and adding .0 1 0 " shims to other side
T O O B T A IN PROPER P R E L O A D
+ .0 0 4 "
to each side.
Shim dimension required
.2 4 4 "
fo r ring gear side
E X A M P LE
to force ring
into contact w ith
M A IN T A IN PROPER B A C K L A S H
pinion by subtracting .0 1 0 " shims from ring gear
Fig. 7B ~D eterm ining Side Bearing Shim Requirem ents
:
1
R IN G G EA R
OPPOSITE SIDE
Combined total of:
Service Spacer
Service Shim
Feeler Gauge
(.0 0 5 " - .0 0 8 " ), ring gear is
on side bearings, add .0 0 4 " shims
Shim dimension required
fo r opposite side
A - S E R V IC E SPACER
B
- S E R V IC E S H IM
C - FEELER G A U G E
B E A R IN G
C A R R IE R
( A )
.2 6 5 "
( B )
(C )
+ .0 1 0 "
.2 7 5 "
+ .0 0 4 "
.2 7 9 "