PEUGEOT 404 User Manual

VALVES
I
ntoke
Inioke
E
xhou
st
FIG 1:10
lnlet
and 1 and
3 Exhaust
and type
Number 2Íor
1
ano
3 fnlet
and 2
and 4 Exhaust.
6 The rocker
pushrods
are made
oÍ a special
steel with
cyanÍde
treated
ends.
They are
oÍ two
types with
different lengths
but
the maximum
permissible
out of
round
for
either is .4mm.
The
dimensions for
the
pushrods
are
as
follows:
Inlet rocker
pushrod,
total
length,
185.6
mm.
Exhaust
rocker
pushrod,
total length,
219.5mm.
7
Finish
decarbonizing
by
cleaning carbon
from the
piston
crowns.
Spring an
old
piston
ring into
the bore
on top
oÍ the
piston
and
scrape with
a blunt
tool so
that
a ring
of carbon is left
round
the
periphery
to
prevent
excessive
oil consumption.
Clean
off thor-
oughly and make
sure that
the faces
of the head
ano
cylinder
block are Íree Írom
particles.
8
ReÍit
the
cylinder head
as detailed in
Section 1:4.
Make
sure that
all
pushrods
are engaged
with
the
tappets
and
rocker
adjusting
screws
before tightening
oown.
1 :6
Removing
the
valve timing
gear
and camshaft
lÍ the
cylinder
head
is
removed
ensure that
the
cylinder liners
are
set
in
position
with
the setting
screws.
lf
the cylinder head is
on
the
engine remove
the spaÍking
plugs
to
allow easy rotation
of the engine.
1
Remove the crankshaÍt
pulley
and
its
locking key,
the
timing
geaÍ
housing
and the oil rejecting ring.
2 Refer to
FIG 1 :12 and remove
the
base screw ano
lockwasher
Írom
the base
of
the
tensioner body.
3
Through
the screw hole
thus uncovered, insert
an
Allen
key
into
the hexagonal
catch
oÍ
the
piston,
5.
Turn the key
clockwise
to Íree the
sole I from the
pressure
oÍ the spring
6.
4
Remove the
tensioner attaching
screws
3, and with-
draw the
tensioner from
the
cylinder block. Withdraw
the oil filter
from the recess
in
the cylinder
block
(see
FIG
1 :13).
5 Remove
the camshaÍt
sprocket
attaching
screws
and
take
oÍÍ the sprocket
and
timrng chain.
P404
Valve
dimensions
6 Remove
the
scÍews
retaining
the
camshaft front thrust
plate
and withdraw
the camshaft
taking
care not
to
damage
the
camshaft bearings
during the
process.
1 :7 Replacing
timing
gear
and
camshaft
1 Fit
the
camshaft taking
care
not to damage
the bear-
ings
or the
edges
of the cams
and
journals.
Secure
with
thrust
plate
screws.
Rotate
the
camshaft to
ensure
that it íevolves
freely in
its bearings.
Check
INL ET
FIG
1:12 Exploded
view
of the
timing chain
tensioner
Key
to Fig 1 : 1
2
1
Base
screw and lockwasner
2 Tensioner
body
3 Attachment
holes
4
Oil
intaxe
5 Piston
6
Spring 7
Dowel
8 Pin
9
Rubber
sole
10
Chain lubrication
hole
FIG 1 :1
1 Rocker
gear
13

PEUGEOT 404 Specifications

General

Brand	PEUGEOT
Model	404
Category	Automobile
Language	English