1997 RENAULT CLIO Petrol Engines Workshop Manual

ENGINE AND PERIPHERALS
Section and ti
ghtening torques(in daN.m and/or °)10
DI1045
10-7
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ENGINE AND PERIPHERALS
Lubrication circuit dia
gram10
92130
10-8
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ENGINE AND PERIPHERALS
Lubrication circuit dia
gram10
92130
10-9
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ENGINE AND PERIPHERALS
S
pecifications10
CYLINDER HEAD
All the cylinder head bolts must be replaced systematically after removal.
Lubricate the threads and under all the bolt heads with engine oil.
90775S
METHOD OF TIGHTENING CYLINDER HEAD
Preseating the gasket
Initial tightening to 2 daN.m followed by angular tightening of 97° ±
2°
in the recommended order :
- tightening of
bolts 1-2,
- tightening of bolts 3-4-5-6,
- tightening of bolts 7-8-9-10.
Seatin
g of the gasket
Wait 3 minutes for the seal to settle.
Tightening
- Slacken bolts 1-2.
Re-tighten bolts 1-2 to 2 daN.m, then angle tighten to 97°
± 2°.
- Slacken
bolts 3-4-5-6.
Re-tighten
bolts 3-4-5-6 to 2 daN.m, then angle tighten to 97°
± 2°.
- Slacken bolts
7-8-9-10.
Re-tighten
bolts 7-8-9-10 to 2 daN.m , then angle tighten to 97°
± 2°.
No retightening of cylinder head.
Cylinder head gasket
Thickness of cylinder head gasket (mm): 1.3± 0.06(value for a compressed gasket)
10-10
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ENGINE AND PERIPHERALS
S
pecifications10
VALVE CLEARANCES (in mm)
- Inlet0.10
- Exhaus
t0.25
Hei
ght of cylinder head
10032R
H = 113 ±
0.05 mm
Maximum deformation of
gasket face: 0.05 mm.
No re
grinding is permitted.
C
ylinder volume with valves
and s
park plugs:
26.25 ±
0,6 cm3
Spark plug tightening torque: 2.5 to 3 daN.m
VALVES
Diameter of the stem (mm) :
7
Port an
gle
- Inle
t120°- Exhaust90°
Head diameter (mm)
- Inlet37.5 ±
0,1
- Exhaust33.5 ±
0,1
WARNING: When valves are re
placed, it is essen-
tial to refit
(new) valves with the same part num-
ber
(1) as the previous ones, in order to prevent
an
y damage to the valve and seat.
10030R
The same part number can cover several mar-
kin
gs, and in this case the valves are fully inter-
chan
geable.
Sim
ply check that the new valves with a different
markin
g do indeed correspond to the same part
number.
10-11
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ENGINE AND PERIPHERALS
S
pecifications10
87428R91881R
VALVE GUIDES
Inside diameter ( mm)
Normal7
Outside diameter in the cylinder head (mm)
Normal12
The inlet and exhaust guides are fitted with valve
stem seals. They must be replaced whenever the
valves are removed.
Inclination of the guides:
- Inletβ
= 17°
- Exhaus
tβ
= 17°Position of the guide in relation to the bottom of
the valve spring (without lower cup) (mm) :
- Inlet:
A = 12.34
- Exhaust:E = 12.34
91881-1R
VALVE SEAT
Seat angle
∝- Inlet 120°- Exhaust90°
Width of the seats (mm) X
- Inlet1.7 ± 0,1- Exhaust1.7 ± 0,1
Outside diameter (mm) D
- Inlet38.5
- Exhaust34.5
10-12
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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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ENGINE AND PERIPHERALS
S
pecifications10
* Since the Inlet Opening Retard is negative,
the opening of the valve is located after TDC.
** Since the Exhaust Closing Advance is negative,
the closing of the valve is located before TDC.
11953S
Timing diagram: (cannot be checked)
1 - Fixed mark TDC cylinder block
2 - Mobile mark flywheel TDC
3 - Mobile mark flywheel BDC
4 - Inlet Opening Retard (IOR)
5 - Exhaust Closing Advance (ECA)
6 - Inlet Closing Retard (ICR)
7 - Exhaust Opening Advance (EOA)
8 - Engine rotation direction (flywheel end) Inlet Opening Retard (IOR) * - 2 - 6 - 4
Inlet Closing Retard (ICR) 39 43 30
Exhaust Opening Advance (EOA) 48 44 40
Exhaust Closing Advance (ECA) ** - 7 - 3 - 6
E5F 710 - 716
E7F 700 - 704 - 706 -
730
E7J 624 -718 - 719 -
720
E6J 700 - 701 - 706 -
712 - 713 - 718 - 734
738 - 760
E7J 601- 700 - 706 -
710 - 711 - 716 - 724
726 - 728 - 742 - 745
754 - 756 - 757 - 764
770 - 771 - 773
E7F 708 - 750
10-14
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