recommended oil RENAULT CLIO 1997 X57 / 1.G Petrol Engines Workshop Manual

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
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
Method of tightening the cylinder head
90775S
Preseating of the gasket:
Initial tightening to
2 daN, followed by angula
r
tightening to
97°
± 2° in the recommended or-
der:
- tighten bolts
1-2,
- tighten bolts
3-4-5-6,
- tighten bolts
7-8-9-10.
Seatin
g of the gasket:
Wait
3 minutes (settling time).
Ti
ghtening:
- Slacken bolts
1-2.
Retighten bolts
1-2 to
2 daN.m, then angle
tighten to
97
° ±
2°.
- Slacken bolts
3-4-5-6.
Retighten bolts
3-4-5-6 to
2 daN.m, then angle
tighten to
97
° ±
2°.
- Slacken bolts
7-8-9-10.
Retighten bolts
7-8-9-10 to
2 daN.m, then angle
tighten to
97
° ±
2°.
There is no cylinder head retightening operation.Refit the rocker shaft, positioning the mark (1) on
the timing side and the bolts (A) at (B).
92063R
NOTE :
There are two sizes of bolts (A) :
M8×
100
and M8×
125.
Refit:
- the rocker shaft mounting bolts (2), tightening
them to a torque of
2.3 daN.m and not forge
t-
ting to lubricate the threads and underneath
the bolt heads with engine oil,
- the cylinder head cover without tightening i
t
in order to facilitate the setting of the timing,
- the crankshaft sprocket.
10-45
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