Specifications

CHASSIS
TROUBLE
DIAGNOSES
AND CORRECTIONS
A
problem
of noises
always
exists when
the rear axle
is
in
trouble and
occur
as
syptom
for
trouble
However
great
care must
be men not to confuse
with
otheJ noises
such as
engine
noise
lr Inuni
iOl
noise
exhaust noUc univenal
joinl
noUc and tire noise
Troubles
Noise on
drive
Noise on coasl
Noise
on drive
and
coast
Noise on
tum
Excessive backlash
Possible
caw es
Shortage
of oil
Incorrect
tooth
contact between drive gear
and drive
pinion
Damaged
differential side
bearing
or im
proper
adjustment
Damaged geas
Incorrect bacldash between
drive
gear
and
drive
pinion
Incorrect
adjustment
of drive
pinion
bearing
Worn or
damaged
drive
pinion
bearings
Incorrect tooth contact
pallern
Damaged
side
gear
drive gear
drive
pinion
teeth surface
Seized drive
gear
and
drive
pinion
Pinion
bearing
under
inadequate preload
Seized
damaged
or broken
pinion
bearing
Seized
damaged
or broken side bearing
Swinging
differential case
Loosen
clamp
bolts and nuts holding
drive
gear
side
bearing
etc
Side
geas
jammed
in differential case
Pinion
gears
too
lighl
on their shaft
Worn or
damaged
side
gear
thrust
washer
and
pinion
thrust
washer
Incorrect backlash
between drive
gear
and
drive
pinion
PD 16
Remedies
Supply gear
oil
Adjust
tooth
canlact
Replace
or
adjust
Replace
defective
parts
Adjust
backJash
Adjust
correctly
Rebuild differential
and
replace
as
required
Adjust
backlash or
replace
the
hypoid
geas
set
Replace required
parts
Replace hypoid geas
set
Adjust preload
Replace
the
bearing
Replace
the side
bearing
Replace
the differential case
Retighten
them
to
the
designaled
torque
Replace
defective
parts
Replace
as
required
Replace
Adjust
backlash