3-88
DIFFERENTIAL / AXLE
DIFFERENTIAL / AXLE
2)
2)
Problem
Cause
Remedy
Differential low on oil
External leakage.
Inspect axle and differential for leaks.
E x c e s s i ve d i f fe r e n t i a l
and/or axle noise
Low oil level in differential.
Incorrect type of oil.
Dragging brakes.
Failed pinion bearing.
Incorrect gear mesh pattern
between ring and pinion gear.
Failed differential pinion gears
and/or cross shafts.
Failed axle bearing.
M e c h a n i c a l fa i l u r e i n a x l e
planetary.
Check oil. Remove drain plug and inspect for
metal particles in differential case.
Disassemble and determine cause.
Change oil
Do brake check.
Remove and inspect pinion.
Check to ensure pinion housing was indexed.
Remove pinion gear housing and inspect ring
and pinion gear.
Remove differential housing drain plug and
inspect for metal particles. Disassemble and
inspect.
Do axle bearing adjustment check.
Remove differential. Inspect, repair.
Oil seeping from outer
axle seal
Excessive end play in axle.
Worn outer bearing and/or cup.
Overfilled differential.
Do axle bearing adjustment check.
Disassemble and inspect outer axle bearing,
cup, spacer, and seal. Replace, if necessary.
Check differential oil retur n system for
excessive internal restriction.
Axle overheats
Low differential oil.
Overfilled differential.
Brake drag.
Add oil.
See differential overfills with oil in this group.
See brakes drag in this group.
Содержание HL955
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