DACIA SOLENZA 2004 Service Manual

ENGINE E7J-26210
ENGINE ASSEMBLY
10 - 16
PISTONS
The bolt is fix mounted in the connecting rod
and free in piston.
Mounting direction: with the arrow towards
flying wheel. There are three matching classes with the
jacket.
Markings on pistons:1 – arrow towards flywheel
2 – piston class (A-B-C)
3 – items used by the supplier
Pistonclass Piston diameter (mm) Jacket diameter (mm)
A 75.765 - 75.775
*75.8 - 75.81*
B75.775 - 75.785*75.81 - 75.82*
C 75.785 - 75.795 75.82 - 75.83
The piston diameter is measured at the value
A = 46 mm.
Chara cteristics
* - these values are not included in classes.
Jacket marking
GreenBl ue
Red
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ENGINE E7J-26210
ENGINE ASSEMBLY
10 - 17BOLTS
Length (mm)
60
External diameter (mm) 19
Internal diameter (mm) 11
CYLINDER JACKETS
T ype: wet removable.
The sealing gasket is J rubber ring type.
Internal diameter (mm) 75.8
Jacket height (mm) H2 130
Centering diameter (mm) D80.6
Jackets over-height X without
gasket (mm) 0.02-0.09
Jacket height (mm) H1 91.5
Deep in cylinder block K1 (mm)
91.5+ 0 ,03
Chara cteristics
+ 0 ,035
+ 0 ,005
- 0 ,015
- 0 , 055
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ENGINE E7J-26210
ENGINE ASSEMBLY
10 - 18
RINGS
CONNECTING RODS
Connecting rod end side clearance: 0.310 to 0.572 mm.
AT T E N T I O N !
It is forbidden the use of punches for marking due to the risk of primer cracks A
permanent marker is to be used.
CRANKSHAFT
In case of rectifying, rolling must remain at
least on 140° of the crankpins and bearings
circumference. These areas are defined in sections A and
B as per joint drawing
Chara cteristics
Thickness (mm):
- compression ring 1.5
- sealing ring 1.75
- oiling ring 3
Number of bearings 5
Bearings diameter (mm) - nominal: 54.795 ± 0.01
- reparation: 54.550 ± 0.005
Crankpin diameter (mm) - nominal: 43.98
-0,0 2
- reparation: 43.73 -0,0 2
Axial clearance (mm) - 0.045 - 0.852 with wear
- 0.045 - 0.252 without wear
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ENGINE E7J-26210
ENGINE ASSEMBLY
10 - 19
- clearance B (mm):
- minim 0.02
- maxim 0.86.
AT T E N T I O N !
Protect the distribution belt and the accessories belt in order to avoid the water and
cleaning materials splashing on them.
Chara cteristics
OIL PUMP
The oil pump is a gear wheels type.
Oil minimal pressure at 80°C is :
- at idling 1 bar
- at 4000 rpm 3 bar
Dismount the oil pump and check the
gearing clearances.
Check:
- cleara nce A ( mm)
- minim 0.110
- maxim 0.249
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ENGINE E7J-26210
ENGINE ASSEMBLY
10 - 20

CYLINDER HEAD
Dismounting – Remounting
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ENGINE E7J-26210
ENGINE ASSEMBLY
10 - 21
CYLINDER HEA D DISMOUNTING
Drain the oil from the engine.
Dismount :
- wiring from the engine;
- compressor and/or power steering pump ( for vehicles equipped with air conditioning
unit and/or power steering); -compressor support and/or power steering pump support;
- alternator and its belt.
Dismounting – Remounting
Block the engine flywheel by means of the
MOT 582 device .
Dismou nt :
- oil dipper rod support;
- alternator belt tightening clamp;
-cr ankshaft pulley or pulleys ;
- pulley hub;
- distribution belt casings.
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ENGINE E7J-26210
ENGINE ASSEMBLY
10 - 22
Bring the engine at the setting on point, lining up the mark from the crankshaft gear
L with the
fix mark M (the m ark L from the camshaft being in vert ical position as shown in the be llow
drawing). Dismount the nut (0) of the tightening roller, then dismount the distribution belt.
REMARK :
(1) is representing the acting direction of t he tightening roller for distribution belt
tensio ning.
Dismounting – Remounting
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ENGINE E7J-26210
ENGINE ASSEMBLY
10 - 23
Dismount:
-cylinder head cover;
-in take manifold and exhaust manifold;
-cy linder head screws, less the one with
the centering bushing, that shall be only loosed;
-rotate the cylinder he ad a round the
not-dismou nted 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 :
-r ocker’s ramp; - camshaft
sealing ring;
- camshaft gear (t o be blocked by
means of MOT 799-01 device);
- camshaft;
- thermostat support;
- spark plugs;
- valves springs;
-v alves;
- valves oil sealing rings, by means of
the MOT. 1335 pliers.
Clean the c ylinder head by removing the
s tacked 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 produc t 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-26210
ENGINE ASSEMBLY
10 - 24
AT T E N T I O N !
Avoid foreign materials introduction
into the oil grooves, otherwise the latter
will clog, and consequently the rockers
s lides and cams rapid damaging.
The cylinder head flatness is checked by
means of a ruler and a kit of gauges.
Ma ximal permitted deformation: 0.05 mm.
REMARK:
The cylinder head is not to be rectifi ed.
CYLINDER HEAD ASSEMBLINGAll 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
s ocket wrench.
The followings are to be mounted in order:
- washers 1 from valves springs bottom;
- new valves 4. -s
prings 5 ( identical for intake and
exhaust); - hoods 6
Compress the springs 5 then mount t he
half-cones 7 which are identical for intake and
exhaust. A
TTENTION!
N ew 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-26210
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 i s 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 l ayer H must be 0.6 till 1 mm thick
and is to be applied as per the following dia-
gram.
-camsha ft gear.
Camshaft gear is to be blocked by means
of the MOT 799 – 01 device and tighten its
a ttachment screw, to the required moment of
4.5 daNm (lubricate the screw head and
thread with engine oil).
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