DACIA SOLENZA 2004 Repair Manual

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COOLING - EXHAUST - TANKAssembl exhaust
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COOLING - EXHAUST - TANKFuel tank
IMPORTANT:
During the int erventi on on the fuel tank
and on the fuel supply circuit, at t he working
place, do not smoke and do not bring near
an y incandescent parts.
Fuel tank draining i s not implying tank
dismountin g. The access is allowed through the
vehicle interior (trunk).
Dismo unt :
-tr unk carpet;
-v isitin g whole cover (by dismounting the
three attachment screws);
- disconnect the rapid coupling A;
- adjust to exit A, an enough long hose to
be introduced in a vessel outside the vehicle.
From the fuse box located inside the engine
compartment, remove the H relay of the petrol
pump and bridge across plugs 3 and 5 of the
relay connector, ensuring the petrol pump
working (12V).
Stop the pum p working when petrol
discontin uous draining s noticed.
Detach the plugs bridge.
Mount the petrol pump relay.
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COOLING - EXHAUST - TANK
FILLING CAP
Fuel tank
The fuel tank is having a filling cap, sealed-type, with key. The filling cap for unleaded fuel has
a filler whole incompatible with a c lassical filling gun (lead has a negative effect upon the de-
pollution system : oxygen sensor and catalyst).
In case of vehicle overturning, the anti-overturning valve is getting blocked, avoiding in this
wa y, the petrol leakage towards the carbon can.
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COOLING - EXHAUST - TANKFuel tank
DISMOUNTIN G
Drain the fuel tank ( 4)
Disconnect the battery.
Remove the trunk carpet.
Di smount the tank visiting cover from the
three attachment screws.
Di sconnect the e lectric connector f the fuel
pump assembly a nd detach from clips the
connection from the fuel supply pipe. Take out the spare wheel and release it
together with its support.
Remove the filling cap ( 2) and dismount the
two attachment screws of the upper filling cap.
Lift the vehicle on a two columns elevator.
Dismount the four-attachment screws (6) of
the fuel tank on the carriage body, then maintained
in tilted position, disconnect the rapid coupling
on the anti-overturning valve ( 7).
D etach from clips collar ( 3) of the aerating
pipe on the upper filling cap.
Release the fuel tank together with the aerating
connection. Dismount the thermal screen ( 5) off the three
maintaining clips. Dismount the attachment clip ( 1) of the filling
cap muff on the lower filling cap.
Dism ount t he fue l pum p a sse mbly by
dismounting the attachment nut by means of the
MOT 1397 device.
REMOUNTIN G
Perform the dismounting operatio ns in the
reverse order. The t ightening moment of t he fuel tank
attachment screws on the carriage body is of
2.1 daNm and the tightening moment for fuel
pump assembly attachment nut, is of minimal
7daNm .
REMARK :
Collar (1) is for single use only.
When remounting, use a new click collar
(1 ), for the attachmen t of the lower filling cap
connection on the fuel tank.
REMARK:
At remonting, for each 2 back screws
at t ac he ment fue l tank, ap l y 0.002 kg
FIXAMED M 28, for to realise security
moment.
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COOLING - EXHAUST - TANK
VEHICLES WI THOUT VISITING CAP
Fuel tank
TIGHTENING MOMENTS (daNm)
Fuel ta nk attachment screws 2.1
IMPORTANT :
Dur ing thi s operation it is
compulsory:
-not smoking and not approaching
with i ncandescent obj ects in t he working
area, -keep awa y from fue l spray i ng
when disc onn ectin g the fu el
connections, protect the sensitive area of
fuel leak.
Dismount :
- protection shield ( 3);
- filling cap attachment clip (5) on tank;
- fuel pump assembly (6).
REMOU NT I NG
Perform the di smounting opera tions in the
reverse order.
Tighten to the required moment the fuel tank
attachment screws (2.1 daNm); the thread of
the two rear attachmen t screws is to be lubricated
before mounting with Fixamed M28 (necessary
quantity – 2 grams).
Re p lace the single use clip ( 5) with a tightening
clip “CAILLAU” .
12
6
5 4
3
DISMOUNTIN G
Place the vehi c le on a t wo-c ol um n
elevator. Disconnect the battery (-) terminal.
Dismount the fuel tank cap.
Drain the fuel tank through the filling cap,
by means of a draining pneumatic or electric
pump. Dismount the a ttachments screws ( 1) of
the upper filling cap.
Lift the vehicle by means of the elevator.
Di smount the four attachment screws of
the fuel tank. Dismount the attachment clip ( 2) of the
aeration hose ( 4) on filling cap.
Carefully lower the tank and disconnect it:
- wiring connector;
- fuel supply pipe;
- petrol vapors re-aspiration pipe (for
petrol engines); - fuel return pipe (for Diesel engines);
Extract the aera tion hose on top of tank
crossbar and dismount the tank.
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COOLING - EXHAUST - TANK
TANK DIAGRAM
1. Aerating pip
2. Safety valve (over pressure, depression)
3. Anti-overturning valve
4. Pipe connection to carbon can
5. Restrictor
E. Air evacuation orifice during filling
F. Air volume enabling fuel dilatatio n.
R. Fuel cap.
V. Maximal admissible fuel volume.
5
4
E
Fuel tank
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COOLING - EXHAUST - TANK
FUEL CIRCUIT DIAGRAM
1. Supply pipe
2. Carbon can
3. Piping attachmen t clip
4. Vapor re-aspiration pipe.
5. Fuel tank.
Fuel tank
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COOLING - EXHAUST - TANK
Safety valve ( over pressure, depression)
In case recyclin g circuit of the petrol vapors is clogged, this valve is avoiding the over-pressure
(inflated tank) or the depression (by fuel consumption- the tank is flattening).
Restrictor
Does not allow leaded fuel filling in the tank.
Anti-overturning valve
In case of vehicle overturning, this is avoiding the fuel leakage through the pipe leading to the
carbon can.
Fuel tank
Va l v es function
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COOLING - EXHAUST - TANK
Fuel pump
SPECIAL TOOLS
MOT 1397 Wrench for dismounting the fuel pump assembly nut
TIGHTENING MOMENTS (d aNm)
Fuel pump assembly nut 7
IMPORTANT
During the intervention on the fuel tank or on the
fuel supply circuit, it is absolutely necessary:
-n ot smoking and not bringing near any incan-
d escent parts in the working area;
-gu ard against possible petrol leakage, due to
residual pressure remained on piping, when
dis mounting.
DI SMO UNT I N G
In order to dismount the fuel pump assem bl y it is
not necess ary the tank dismounting, the access being
done t h rough the vehicle trunk.
In order to do that:
-d isconnect the battery;
-d ismount the attachment screws of the fuel
tan k v isiting cover;
-d isconnect the electric connector (B) of the
fuel pump assembly supply;
-d isconnect the rapid coupling (A) of t he fuel
supply pipe. Dismount the fuel pump assembly (2) attachment
nut (1), by means of the MOT 1397 device, after
1
2
p reviously marking on the fuel tank the position of
the arrow existing on the pump cap.
Release the fuel pump assem bl y.
REMOUNTI NG
Mount the fuel pump assem bl y on t he fuel tank
obs ervi ng the marking done when dismounting.
Mount the attachment nut of the fuel pump
assembly. Tighten the nut by means of the MOT 1397
device, so that the arrow from the nut meets the
arro w from the fuel pump assembly (this is ensuring
the minimal necessary tightening for sealing
achi ev ement.
REMARK :
After each dismounting, obligatory
replace the nut and its gasket.
The gasket will have the same color with the
dismounted one.
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COOLING - EXHAUST - TANKFuel pump
VEHICLES WI THOUT VISITING CAP
SPECIAL TOOLS
MOT 1397 Wrench for pump assembly dismounting- remounting
TIGHTENING MOMENTS (daNm)
Fuel tank attachment screws 2.1
Pump assembly attachment nut 7
In order to dismount the fuel p ump as-
sembly, it is n eces s ary th e fuel tank dis-
mounting.
IMPORTANT
Duri ng this operation it is compulsory:
-n ot smoking and not approaching
with inca ndescent objects in the working
area, - keep away from fuel spraying when
disconnecting the fuel connections, -protect the sensitive area of fuel leak.
DISMOUNTIN G
Dismount the fuel tank.
Dismount the attachme nt nut of the fuel pump
assembly by means of the wrench MOT 1397.
Dismount the fuel pump assembly
AT T E N T I O N !
When dismounting the nut, take c are that
fuel pump assembly i s not geared in rotation
with t he nut, which may lead to float rod
di st ortion and c onseque ntly t o fuel l evel
wrong indication.
Remark:
If until fuel pump mounting on t ank,
more than an hou r is taken in to
consideration, remount the nut on t he
tank, in order to avoid any distortion.
R EMOU NT I NG
Replace the sealing gasket of the fuel
pump assembly. The gasket shall have the
same color with the dismounted one. Mount the fuel pump assembly so that
arrow (1) from t he fuel pump assembly i s
corresponding to the arrow (20 from the
tank.
Position the nut and tighten it by hand to
maximum possible, pre venting t he pum p
assembly rotation.
Tighten the nut by m eans of the MOT
1397 wrench until arrow (3) from the nut is
aligned with the marks from fuel tank a nd
pump assembly .
2
3 1
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