Chevrolet 1977 10 Series, Repair Manual, Page: 90 / 468

4B-18 OVERHAUL MANUAL
EXAMPLE
RING GEAR SIDE
OPPOSITE SIDE
.250”
Thickness o f T o o l J-22779
required to force ring
gear in to contact w ith
pinion
C om bined to ta l o f:
Service Spacer
(A )
Service Shim (B )
Feeler Gauge (C )
.2 6 5 ”
- .0 1 0 ”
.240”
TO M A IN T A IN PROPER B A C K LA S H (.0 0 5 ” - .0 0 8 ” ), ring gear is
moved away fro m pin io n by subtracting .0 1 0 ” shims fro m ring gear
side and adding .0 1 0 ” shims to other side
+ .010”
.275”
+ .004”
TO O B T A IN PROPER P RELO AD
to each side.
on side bearings, add .004” shims
+ .004”
.2 4 4 ”
Shim dimension required
fo r ring gear side
Shim dim ension required
fo r opposite side
.279”
Fig. 7B—Determining Side Bearing Shim Requirements