Dacia Solenza (engine E7J). Manual — part 12
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ENGINE
E7J-262
10
ENGINE ASSEMBLY
10 - 23
Dismount:
- cylinder head cover;
- intake manifold and exhaust manifold;
- cylinder head screws, less the one with
the centering bushing, that shall be only loosed;
- rotate the cylinder head around the
not-dismounted screw by easy hammering by
means of a rubber hammer.
- dismount the cylinder head;
- mount the jackets maintaining device
MOT 484 or the clamps MOT 588.
Dismounting – Remounting
MOT 484
Dismount :
- rocker’s ramp;
- camshaft sealing ring;
- camshaft gear (to be blocked by
means of MOT 799-01 device);
- camshaft;
- thermostat support;
- spark plugs;
- valves springs;
- valves;
- valves oil sealing rings, by means of
the MOT. 1335 pliers.
Clean the cylinder head by removing the
stacked gasket.
It is very important not to scratch the
cylinder head on gasket seating face.
The Decapjoint product is to be used
for removing the remaining gasket stacked
pieces.
Apply the product on the area to be
cleaned, wait for about 10 minutes, and then
clean with a wooden spatula.
During this operation protection gloves are
to be used.
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ENGINE E7J-262
10
ENGINE ASSEMBLY
10 - 24
ATTENTION!
Avoid foreign materials introduction
into the oil grooves, otherwise the latter
will clog, and consequently the rockers
slides and cams rapid damaging.
The cylinder head flatness is checked by
means of a ruler and a kit of gauges.
Maximal permitted deformation: 0.05 mm.
REMARK:
The cylinder head is not to be rectified.
CYLINDER HEAD ASSEMBLING
All parts are to be lubricated with oil.
Mount the valve oil sealing rings 2 on the
valve guides 3, by means of an 11-mm
socket wrench.
The followings are to be mounted in order:
- washers 1 from valves springs bottom;
- new valves 4.
- springs 5 ( identical for intake and
exhaust);
- hoods 6
Compress the springs 5 then mount the
half-cones 7 which are identical for intake and
exhaust.
ATTENTION!
New valves must have the same marking
8 with the old ones in order to avoid the
damaging of the seat/valve assembly.
Dismounting – Remounting
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ENGINE
E7J-262
10
ENGINE ASSEMBLY
10 - 25
Lubricate the camshaft with engine oil.
Mount the camshaft and its clamp.
Check the camshaft axial clearance, which
must be between 0.06 mm and 0.15 mm, in
case this one is not corresponding, check the
clamp and the camshaft.
Dismounting – Remounting
Mount :
- camshaft sealing gasket by means of
the MOT 1127 – 01 device.
- thermostat support; Loctite 518 is to
be used for its sealing.
The layer H must be 0.6 till 1 mm thick
and is to be applied as per the following dia-
gram.
- camshaft gear.
Camshaft gear is to be blocked by means
of the MOT 799 – 01 device and tighten its
attachment screw, to the required moment of
4.5 daNm (lubricate the screw head and
thread with engine oil).
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ENGINE E7J-262
10
ENGINE ASSEMBLY
10 - 26
CYLINDERS BLOCK
Dismounting – Remounting
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