1935 Cadillac - GM Heritage Center

30
REAR AXLE
Pitch
Line
Pitch
Line
Fig.ll
Backlash between drive pinion
and ring gear should be .004
indi­
to .012 in. Check with dial
cator
Ring
Gear
(a)
Driving
(b)
Reverse
rfsj Fig.l2-Correct Ring Gear Tooth Contact
Pitch
Lines^f^i
Face Contact" - Ring Gear Tooth.
Ring
Gear
Correct by moving drive pinion
toward ring gear
(a) Driving (b) Reverse
Pitch
lines
Fig.U-Excessive Toe Contact — Ring Gear Tooth
To correct contact increase backlash between gears(keeping
it under .012 in.) by moving ring gear away from drive pinion
Flank Contact - RmgGearTooth.
Correct by moving drive pinion
away from ring gear
Fig. 73
To change profile contact on ring gear
teeth, move pinion endwise by installing
shims of different thickness between
front pinion bearing retainer and front
end of differential carrier
(a) Driving
(b) Reverse
Fig.l5-Excessive Heel Contact — Ring Gear Tooth
To correct contact decrease backlash between gears(keeping
it over .004 in.) by moving ring gear toward drive pinion
Plate 7. Details of Rear Axle Gear Adjustment