
operating faults ..................................... (up to the end of the DU)
practical advice ..................................... (up to the end of the DU)
faults operating faults ............................... (up to the end of the DU)
5.34
ENG_UD19739_7
Anomalies de fonctionnement (B90 - U90 - L90 Ph2 - F90 Ph2 - R90 Ph2 - \
Dacia)
ENG_NU_817-9_B90_Dacia_5
Jaune NoirNoir texte
Operating faults
OPERATING FAULTS (1/5)
The following advice will enable you to carry out quick, temporary repairs. For safety reasons you should always contact
an approved dealer as soon as possible.
The starter is activated POSSIBLE CAUSESWHAT TO DO
Warning lights dim or fail to come on;
the starter does not run. Battery terminals disconnected,
oxidised or incorrectly secured.Retighten them, reconnect them or clean
them if they are oxidised.
Battery discharged or worn. Connect another battery to the faulty bat -
tery. Refer to the information on “Battery:
troubleshooting” in Section 5 or replace the
battery if necessary.
Do not push the vehicle if the steering
column is locked.
The engine will not start. Starting conditions are not fulfilled.Refer to the information on “Starting/stop -
ping the engine in Section 2.
The steering column remains locked. Steering wheel locked.To unlock, gently move the key and the
steering wheel (refer to the information on
the “Ignition switch” in Section 2).

JauneNoirNoir texte
5.35
ENG_UD19739_7
Anomalies de fonctionnement (B90 - U90 - L90 Ph2 - F90 Ph2 - R90 Ph2 - \
Dacia)
ENG_NU_817-9_B90_Dacia_5
OPERATING FAULTS (2/5)
On the road POSSIBLE CAUSES WHAT TO DO
Vibrations. Tyres not inflated to correct pres-
sures, incorrectly balanced or
damaged. Check the tyre pressures; if this is not the cause, have
their condition checked by an approved dealer.
Coolant boiling in the coolant
reservoir. Mechanical fault: cylinder head
gasket damaged, faulty coolant
pump. Stop the engine.
Contact an approved dealer.
Engine cooling fan not working. Contact an approved dealer.
Smoke under the bonnet. Short circuit or cooling system
leak. Stop, switch off the ignition, stand away from the vehi-
cle and contact an approved Dealer.
The oil pressure warning light
comes on: on a bend or under braking The engine oil level is too low. Top up the engine oil (refer to the information on
“Engine oil level, topping up/refilling” in Section 4).
at idle speed Low oil pressure. Go to your nearest approved dealer.
The oil pressure warning
light takes a long time to
go out or remains lit during
acceleration. Loss of oil pressure.
Stop the vehicle: contact an approved dealer.

JauneNoirNoir texte
5.37
ENG_UD19739_7
Anomalies de fonctionnement (B90 - U90 - L90 Ph2 - F90 Ph2 - R90 Ph2 - \
Dacia)
ENG_NU_817-9_B90_Dacia_5
OPERATING FAULTS (4/5)
On the road POSSIBLE CAUSES WHAT TO DO
Whistling Roof aerial poorly positioned. Position the aerial.
The engine overheats. The coolant
temperature indicator light comes
on. Engine cooling fan not working.
Stop the vehicle, switch off the engine and
contact an approved dealer.
Coolant leaks. Stop the vehicle, switch off the engine and
check the coolant reservoir: it should con -
tain fluid. If there is no coolant, consult an
approved dealer as soon as possible.
The oil change warning light remains
lit after an oil change. Warning not reset after oil change.
Reset the warning after changing the oil;
refer to the information on “Resetting the
warning after an oil change” in Section 4.
Radiator: If there is a significant lack of coolant, remember that it must never be topped up using cold coolant while
the engine is very warm. After any procedure on the vehicle which has involved even partial draining of the cooling
system, it must be refilled with a new mixture prepared in the correct proportions. Reminder: only products approved
by the Technical Department may be used for this purpose.

7.2
FRA_UD25177_11
Index (B90 - Dacia)
ENG_NU_817-9_B90_Dacia_7
Jaune NoirNoir texte
AlphAbeticAl index (2/4)
engine oil grade .......................................................... 4.5 – 4.6
engine specifications ........................................................... 6.4
environment ........................................................................\
. 2.9
F
faults operating faults ................................................ 5.34 → 5.38
filter ........................................................................\
............ 4.10
air filter ......................................................................... 4.10
diesel filter ........................................................... 1.58, 4.10
oil filter ........................................................................... 4.6
particle filter ................................................................... 2.5
passenger compartment filter ...................................... 4.10
fitting a radio ...................................................................... 5.32
fittings ..................................................................... 3.15 – 3.16
fog lights ........................................................................\
.... 1.50
front passenger air bag deactivation ................................. 1.32
front seat adjustment ........................................................... 1.9
front seats adjustment ..................................................................... 1.9
fuel advice on fuel economy ....................................... 2.6 → 2.8
grade ..................................................................... 1.56, 6.4
fuel economy ............................................................. 2.6 → 2.8
fuel filler cap ...................................................................... 1.56
fuel grade ........................................................................\
... 1.56
fuel level ........................................................................\
.... 1.44
fuel priming bulb ................................................................ 1.58
fuel tank ................................................................. 1.56 → 1.58
fuel tank capacity ............................................................... 1.56
fuses ...................................................................... 5.22 → 5.24
G
gear lever ........................................................................\
... 2.10
glove box ........................................................................\
... 3.15
grab handle ........................................................................\
3.13h
handbrake
........................................................................\
.. 2.11
hazard warning lights signal .............................................. 1.52
headlight beam adjustment ............................................... 1.51
headlight flashers .............................................................. 1.52
headrest ...................................................................... 1.8, 3.17
heating and air conditioning system ................... 3.2 → 3.5, 3.9
heating system .......................................................... 3.2 → 3.9
horn ........................................................................\
........... 1.52
i
ignition switch ...................................................................... 2.2
indicator lights .................................................................... 5.18
indicators .................................................................. 1.52, 5.14
indicators: direction indicators ....................................................... 1.52
instrument panel .................................................... 1.40 → 1.44
interior trim maintenance ..................................................... 4.16 – 4.17
J
jack .................................................................... 5.2, 5.9 – 5.10
K
keys ........................................................................\
.... 1.2 – 1.3
replacing the battery .................................................... 5.27
l
levels .................................................................. 4.4, 4.7 → 4.9
levels: engine oil ....................................................................... 4.5
lifting the vehicle changing a wheel ............................... 5.2 – 5.3, 5.7 → 5.10
lighting: exterior ......................................... 1.49 – 1.50, 5.14 → 5.18
interior ..................................................... 3.10, 5.19 → 5.21

JauneNoirNoir texte
7.3
FRA_UD25177_11
Index (B90 - Dacia)
ENG_NU_817-9_B90_Dacia_7
AlphAbeticAl index (3/4)
lights ...................................................................... 1.49 → 1.51
additional ..................................................................... 5.15
adjustment ................................................................... 1.51
lights: adjusting ...................................................................... 1.51
brake lights ....................................................... 5.16 – 5.17
dipped beam headlights ...................................... 1.49, 5.14
direction indicators .............................................. 1.52, 5.14
fog lights ............................................................. 1.50, 5.15
hazard warning ............................................................ 1.52
main beam headlights ......................................... 1.49, 5.14
reversing lights .................................................. 5.16 – 5.17
side lights ............................................................ 1.49, 5.14
locking the doors .......................................................... 1.4, 1.6
M
maintenance: bodywork ......................................................... 4.13 → 4.15
interior trim ........................................................ 4.16 – 4.17
mechanical ....................... 4.4, 4.7 → 4.9, 4.12, 6.8 → 6.13
mileage before service ....................................... 6.8 → 6.13
methods of restraint in addition to the front seat belts ..............
1.15 → 1.18, 1.20
mirrors ........................................................................\
....... 3.13
O
oil change ........................................................................\
.... 4.6
opening the doors ................................................................ 1.6
operating faults ...................................................... 5.34 → 5.38
overspeed buzzer .............................................................. 1.43
p
paintwork maintenance ................................................................ 4.13
reference ........................................................................ 6.2
power-assisted steering .............................................. 2.11, 4.9power-assisted steering pump
.............................................4.9
practical advice ............................... 1.58, 5.2 – 5.3, 5.7 → 5.38
puncture ............................................................. 5.3, 5.9 – 5.10
R
radio fitting a radio ................................................................ 5.32
radio frequency remote control/key use ................................................................................. 1.2
rear bench seat .................................................................. 3.18
rear parcel shelf ................................................................. 3.21
rear screen demisting ............................................ 1.37, 1.42, 1.54, 3.7
rear view mirrors ................................................................ 1.35
remote control door locking unit ................................1.2 → 1.4
replacement parts ................................................................ 6.7
reverse gear selecting ....................................................................... 2.10
roof bars ........................................................................\
.... 3.20
roof rack roof bars ....................................................................... 3.20
running in ........................................................................\
..... 2.2
S
seat belts ............................................................... 1.14 → 1.20
service sheets .......................................................... 6.8 → 6.13
signals and lights .................................................... 1.49 – 1.50
speakers location ........................................................................ 5.32
special features of diesel versions .......................................2.5
special features of petrol vehicles ....................................... 2.4
starting ........................................................................\
2.2 – 2.3
starting the engine ............................................................... 2.3
steering wheel adjustment ................................................................... 1.10
storage compartment .............................................. 3.15 – 3.16

7.4
FRA_UD25177_11
Index (B90 - Dacia)
ENG_NU_817-9_B90_Dacia_7
Jaune NoirNoir texte
AlphAbeticAl index (4/4)
storage compartments ............................................ 3.15 – 3.16
sun visor ........................................................................\
.... 3.13
t
tailgate ...................................................................... 3.19, 3.21
tanks and reservoirs brake fluid ...................................................................... 4.7
coolant ........................................................................... 4.8
tanks and reservoirs: windscreen washer ........................................................ 4.8
technical specifications .............................................. 6.2 → 6.7
temperature regulation ............................................... 3.4 – 3.5
towing ........................................................................\
.......... 6.6
breakdown ........................................................ 5.29 – 5.30
towing equipment ......................................................... 5.31
towing a caravan ................................................................. 6.6
towing hitch ...................................................... 5.2, 5.29 – 5.30
towing weights ..................................................................... 6.6
transporting children .............................................. 1.21 → 1.31
transporting objects in the luggage compartment ........................................ 3.19
trims ........................................................................\
.... 5.7 – 5.8
trip computer and warning system .........................1.45 → 1.48
tyre inflation kit ........................................................... 5.4 → 5.6
tyre pressure ............................................................. 4.11, 5.12
tyre pressures .................................................................... 4.11
tyres .............................................................. 4.11, 5.11 → 5.13
V
vehicle identification ................................................... 6.2 – 6.3
vehicle identification plates ......................................... 6.2 – 6.3
ventilation .................................................................. 3.4 → 3.8
heating and air conditioning system .............................. 3.9W
warning buzzer
.................................................................. 1.50
warning lights ......................................................... 1.40 → 1.48
washing ................................................................. 4.13 → 4.15
weight ........................................................................\
.......... 6.6
weights ........................................................................\
........ 6.6
wheelbrace ........................................................................\
.. 5.2
windscreen washer ..................................................... 1.53, 4.9
wiper blades ...................................................................... 5.28
wipers ........................................................................\
........ 1.53
blades .......................................................................... 5.28