Rear Shock Absorber Removal And Refitting; Noisy Axle; Excessive Backlash; Oil Leakage - PEUGEOT 404 Owners Workshop Manual

FIG
7:8
Exploded
view
oÍ
rear
shock
absorber
Key
to
Fig
7
:8
1
Cap
2
Nylstop
nut
3
Cup washer
4
Rubber thrust
washer
5
Upper sleeve mounting
6
Upper
sleeve
7
Shock absorber body
front. The shock
absorbers are
fitted
just
ahead
of
the
coil
springs
and
are again
inclined slightly
to
the
front.
Radius arms are
Íitted to
absorb the reactions of braking
and acceleration. The arrangement of
the
suspension
can
be seen
in FIG
7:7.
A
stabilizer
bar
ensures
lateral connection
between
the
rear
axle
and the
body.
lts
length, as
well
as
its
attachment points,
is
designed
with
a
view to eliminating
all
lateral Íeactions
oÍ
the vehicle.
7
:8
Rear
shock absorber removal and
refitting
The
rear
shock
absorbers
aÈ
of the
hydraulic
teles-
copic damper type and
are
sealed units
Íequiring no main-
tenance.
No
dismantling
is
possible
so
units must
be
changed
when
no longer
serviceable.
Removal:
1
An exploded view
of
the
rear
shock absorber
is
shown
in FIG
7:8.
From
the
rear
floor of the
car remove the
cap
'l
.
2
Unscrew
the
nylstop
nut
2,
holding
the
rod through
the
flat portion
at
the
end.
3 Remove the cup 3. and the rubber thrust washer
4.
4
From the
rear
axle tube unscrew
the nylstop nut
2.
68
FIG
7:9
Shock absorber upper
attachment-early
models
5
Remove
the cup
3
and rubber thrust washer
4.
6 Compress
the
shock absorber
and
remove
from
the
Ref
itting:
From
car
No.404
4,050,013
to
404.067.885 a 3mm
spacer
was
installed as part of the
upper attachment
to
eliminate knocking (see FIG
7:9).
From
car No.
404
4.067.885
the shock
absorber
rod was
made
3 mm
longer
in oÍder
to
eliminate the
spacer.
1
Place
the thrust
washers
4, on the top and bottom
oÍ
the shock absorber
rod
2 On
the
rear
Íloor oÍ the
car,
with
the shock
absorber
held
in position,
seat the
thrust washer and the cup
3.
3 Screw on a new nylstop nut and torque load
to
12,6
to
18
lb ft,
4
On
the
rear
axle tube, extend the shock
absorber so
that
the
top comes against the support.
5
Install the thrust washer,
cup
and
a new nylstop
nut
and
toroue
load
to
1
2.6
to
18
lb
Ít.
6 Check that the rod
protrudes 9.5
to 10mm
at
the
top
attachment
(see FIG 7
:8).
Install the cap
'l
.
7:9
Fault diagnosis
(a)
Noisy axle
1
InsuÍficient or incorrect Iubricant
2 Worn bearings
3 Worn gears
(b)
Excessive backlash
1 Worn
gears, bearings
or bearing housings
2 Worn
axle shaft splines
3 Worn
universal
joints
4
Loose or broken
wheel
studs
(c)
Oil leakage
1
Defective seals
in
hub
2 Defective shaft
seal
(d)
Vibration
1
Propeller
shaÍt out of alignment
2 Worn universal
joint
bearings
(e)
Rattles
1
Rubber bushes
in
damper aïtachments
worn
2
Dampers loose
(f)
Settling
1 Weak or broken springs