1997 RENAULT CLIO Camshaft

ENGINE AND PERIPHERALS
S
pecifications10
VALVE SPRINGS
NOTE : The Parts Department only supplies 2nd
fitting springs.
CAMSHAFT
End play
( mm) :0.06 to 0.15
Number of bearings:5
Free length (mm)46.64 44.93
Length under load
(mm)
- 27 daN.m
- 53.6 daN.m
- 65 daN.m
37
27.5
-37
-
27.6
Length of spring
( mm)23.63 26.01
Wire diameter
(mm) 3.8 4
Inside diameter
(mm)21.5 21.5
1st
fittin
g
(black)
2nd
fittin
g
(orange)
10-13
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Mot. 792-03
Mot. 1132 Fi
gurineMethod
ReferencePart
NumberDescription
ENGINE AND PERIPHERALS
S
pecial tooling required10
Mot. 591-0400 00 059 104
Elé. 1382
00 00 138 200
78181S
10250
82919S1
80359S1
97628S
Mot. 799-0100 00 079 901
80357S
Mot. 1128-0100 00 112 801Tool for fitting crankshaft seal, timing side Angular wrench for tightening cylinder head
( 1/2" drive )
Spark plug wrench kit, limited tightening
torque
Pinion immobiliser for notched timing belt.
68658S
Mot. 1129-0100 00 112 901Tool for fitting crankshaft seal, flywheel side
92645-1S1
Mot. 1135-01
00 00 113 501Timing belt tensioning tool En
gine mounting plate for Desvil stand.
Set of 3 threaded rods for mounting engine
on the
Mot. 792-03. 00 00 079 203
00 00 113 200
Mot. 1127-01
00 00 112 701Tool for fitting camshaft seal
10-22
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ENGINE AND PERIPHERALS
En
gine repair10
DI1101R3
(1) Direction of tensioning of the tension wheel. Set the en
gine to setting point, lining up the marks (L) on the camshaft
and crankshaft sprockets with the fixed marks (M).
Slacken the nut
(O) and release the tension wheel. then remove the
belt.
10-27
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ENGINE AND PERIPHERALS
En
gine repair10
- the camshaft seal,
- the camshaft flange,
92078R
10010S
- the camshaft,
- the fuel pump (if fitted),
- the distributor with the ignition wiring loom,
- the thermostat housing,
- the spark plugs,
- the camshaft sprocket, after immobilising i
t
with
Mot. 799-01.
Compress the valve springs (e.g. with
FACOM tool
U43L).
Remove the collets, the upper cups, the springs,
the valves, the valve seals using the pliers
Mot.
1335 and the lower cups. The wearing of gloves is recommended during
this operation.
Do not allow any product to drip on to paintwork.
We would like to stress that the utmost care
should be taken in carr
ying out this operation to
prevent foreign bodies from penetrating the
pipes feeding oil under pressure to the camshafts
(pipes located both in the cylinder block and in
the c
ylinder head) and in the oil return pipe.
Failure to follow this instruction would in fact ris
k
blocking the nozzles of the valve rockers and qui-
ckly causing damage to the rocker cams and fin-
gers. Cleanin
g
It is very important not to scratch the sealing
faces of aluminium parts.
Use the product Decapjoint to dissolve any part of
the seal which remains.
Apply the product to the part to be cleaned; wai
t
about ten minutes, then remove it by means of a
wooden spatula.
10-29
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ENGINE AND PERIPHERALS
En
gine repair10
- the distributor with the wiring loom,
- the fuel pump (if fitted) with new seals,
- the thermostat support, making it tight with
Loctite 518.
The bead (H) should be
0.6 to 1 mm wide and
should be applied as shown in the diagram be-
low,
- the seal, using mounting bush
Mot. 1127-01;
this tool is designed to obtain an offset seat fo
r
the seal,
92102S92066R
Lubricate the camshaft.
Refit the camshaft and its flange.
Check:
- the end play which should be between
0.06 and
0.015 mm; if this is not the case, the flange o
r
the camshaft are to blame,
92102-1R
- the camshaft sprocket, immobilising it with tool
Mot. 799-01, and tighten the bolt to a torque
value of
4.5 daN.m (lubricate the thread an
d
underneath the bolt head).
10-33
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ENGINE AND PERIPHERALS
En
gine repair10
There is an arrow painted on the back of the belt
showing the direction of rotation and two marks
for the setting.
Line up the marks (N) on the belt with those on
the sprockets (L) and the housings (M).
Respect the direction of mounting of the belt and
begin to position it on the crankshaft sprocket.
Fit the sensor of
Mot. 1273.
98708R
Turn the knurled wheel of the sensor until it re-
leases (three "clicks").
Tension the belt using tool
Mot. 1135-01 until
the display of the
Mot. 1273 shows the re-
commended fitting value
.
Belt tension (in SEEM units)
Fitting value: 30 U.S.
Lock the tension wheel, carry out a check and ad-
just the value.
Rotate the crankshaft at least
three turns.
Check that the tension value is within the fitting
tension tolerance (
±10 %), and if not readjust it.
NOTE : Never refit a belt which has been remo-
ved.
Tighten nut (O) of the tension wheel to 5 daN.m.
It is essential to tighten the tension wheel nut to
a tor
que value of 5 daN.m to prevent any risk of
working loose which might damage the engine.
WARNING: Certain camshaft s
prockets have five
marks, but onl
y the rectangular mark on the face
of a tooth shows the TDC. The other marks are
used for ad
justing the valve rockers.
10072S
Only the camshaft sprockets with marks will be
available in future from the Parts De
partment.
10-47
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ENGINE AND PERIPHERALS
En
gine repair10
SETTING THE VALVE ROCKER CLEARANCES
Setting values (cold) (in mm):
- inle
t0.10
- exhaus
t0.25
Engine fitted with a CAMSHAFT SPROCKET WITH
NO MARKS
"Tilt" method
Set the valves of the
cylinder concerned to the
end-of-exhaust / start-
of- inlet positionSet the clearance of the
valve rockers of the
cylinder concerned
1
3
4
24
2
1
3Full
y open exhaust valve method
Leave the exhaust valve of cylinder
n
° 1 fully open
and set the clearance of the inlet valve of cylinde
r
n°3and the clearance of the exhaust valve of
cylinder
n
°4.
Proceed similarly for the other cylinders,
following the order shown in the table.
Inlet valve to be se
tExhaust valve to be setExhaust valve to be left fully open
78373R
10-48
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Engine fitted with a CAMSHAFT SPROCKET WITH
MARKS
Set the engine to TDC with ignition in cylinder
No.1.
Turn the crankshaft clockwise
(seen from the
timing side)
as far as the first mark.
SET:exhaust 1
exhaust 3
move on to the second mark:
SET:inlet 1
inlet 3
third mark:
SET:exhaust 2
exhaust 4
fourth mark:
SET:inlet 2
inlet 4
ENGINE AND PERIPHERALS
En
gine repair10
10072S
10-49
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