Dacia SuperNova (engine E7J). Service manual — part 16
ENGINE E7J-A-2/60
11
UPPER AND FRONT ENGINE UNITS
Tightening couples (daNm)
Screws of wheels
7.5
Screw of the crankshaft pulley 2+68
o
+/-6
o
Screw-nut of stretching runner
5
Screws right-side stand
6.2
Screw-nut hydroelastic buffer
3.7
D
ISMONTING
The car is placed on a lifting stand.
The fore part of the engine is propped
on the frame using the MOT.545 device.
The following are taken apart:
-front right-side wheel;
-the right-side pendular suspension;
11 - 1
-the alternator belt;
-the carrying belt of the compressor
(AC);
-the pulley of the crankshaft and its hub;
-the carrying pulley of the compressor;
-the distribution crankcases.
DISTRIBUTION BELT
ENGINE E7J-A-2/60
11
UPPER AND FRONT ENGINE UNITS
The engine is set at the tuning point (see Chapter 10, pages 10-19);
The screw-nut of the stretching runner is loosened;
The distribution belt is taken off.
R
E
-M
O UNTING
A new distribution belt is mounted (see Chapter 10, pages 10-33);
The tension in the distribution belt is checked and adjusted, by means of MOT.1505
device, at the value of 145-185 Hz.
The operations are done in the reverse order of those in the dismantling process;
The screws are tightened at the couple;
It is compulsory to tighten the crankshaft pulley at a 2 daNm couple plus an angle of
68
o
+/-6
o
;
The compressor pulley (AC) is re-mounted;
The belt of the alternator and that of the compressor are stretched, oberving the
values of the mounting tension:
Alternator: 263 Hz+/- 10%
Compressor: 222 Hz+/- 10%.
11 - 2
DISTRIBUTION BELT
ENGINE E7J-A-2/60
11
UPPER AND FRONT ENGINE UNITS
SPECIAL TOOL-AND-CHECK SETS
MOT.1202-01
-”CLIC” collar-pincers
MOT.1505
-Device for measuring belt tension
MOT.484
-Device for jacket maintaining
-Wrench for angular tightening
-Pincers for elastic collar
T
IGH TENING
CO UPLES
(daNm )
Screw-nut of stretching runner/pulley
5
Screw of crankshaft pulley
2+68
o
+/-6
o
Screws of pendular suspension stand
6.2
Screw-nut of hydro-elastic buffer
3.7
Wheel Screws
7.5
Combustion-head Screws
2+97
o
+/-2
o
To take apart:
-the connector of the induction coil;
-the fuel hoses (the going- and re-
turn circuit);
-the connectors of the injectors;
-the plugs of the sparks;
-the induction coil.
11 - 3
CYLINDER HEAD FITTING
D
ISMO UNTING
The car is placed on a two-column lift-
ing stand;
The battery is disconnected;
The cooling circuit is emptied at the
jack situated at the lower part of the radia-
tor;
The distribution belt is taken apart (see
Chapter Distribution Belt);
The following are taken apart:
-air-filter;
-the connector of the clapper-posi-
tion potentiometer (1);
-the acceleration cable;
-the connector of the atmospheric
pressure sensor (2);
-the connector of the step-by-step
engine (3);
-the connector of the air temperature
sensor (4) on the intake collector;
ENGINE E7J-A-2/60
11
UPPER AND FRONT ENGINE UNITS
The hoses of the thermostat stand are
disconnected;
To take apart:
-the thermic screen;
-the exhaust collector;
-the alternator;
-the guide of the oil-level gauge;
To take apart:
-the combustion-head screws, ex-
cept the screw corresponding to A po-
sition, which is only loosened, then the
combustion-head is turned round the re-
maining screw;
-the cylinder-head;
The jacket-maintaining MOT.484
device is mounted.
Check the plane of the cylinder-head.
11 - 4
CYLINDER HEAD FITTING
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