Volvo V90 Twin Engine (2018 year). Manual — part 32
MAINTENANCE AND SERVICE
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553
Opening and closing the bonnet
The bonnet can be opened using the handle in
the passenger compartment and a handle under
the bonnet.
Open the bonnet
Pull the handle near the foot pedals to
release the bonnet from its fully closed posi-
tion.
Turn the handle under the bonnet anticlock-
wise to release the bonnet from the lock
catches and lift the bonnet.
Warning - bonnet not closed
When the bonnet is released, the warn-
ing symbol and the graphics in the
driver display will light up and an
acoustic reminder will sound. If the car
starts rolling, an acoustic warning signal will
repeat.
For more information on graphics, see section
"Door and seatbelt reminder".
If the warning symbol is lit or the warning sig-
nal is heard despite the bonnet being closed
properly, contact an authorised Volvo work-
shop.
Close the bonnet
1. Push the bonnet down until it starts to fall
from its own weight.
2. When the bonnet stops against the lock
catch, push the bonnet to close it completely.
WARNING
Risk of crushing! Ensure that the closing path
under the bonnet is not obstructed, otherwise
there is a risk of personal injury.
WARNING
Check that the bonnet locks properly when
closed. The bonnet must engage at both
sides audibly.
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MAINTENANCE AND SERVICE
554
Bonnet completely closed.
WARNING
Never drive with an open bonnet!
If there are any signs that the bonnet is not
properly closed whilst driving, stop immedi-
ately and close it.
Related information
•
Engine compartment overview (p. 554)
•
Door and seatbelt reminder (p. 66)
Engine compartment overview
The overview shows some service-related com-
ponents.
Some of the components included in the car's
electric drive system are located under the bon-
net. Exercise caution in this area and only touch
anything that is related to normal maintenance.
WARNING
Orange-coloured cables must only be handled
by qualified personnel.
WARNING
Several components in the car work with
high-voltage current that could be dangerous
in the event of incorrect intervention.
•
Do not touch anything that is not clearly
described in this owner's manual.
•
Exercise caution when checking/refilling
fluids in the engine compartment.
The appearance of the engine compartment may differ
depending on model and engine variant.
Coolant expansion tank
Reservoir for brake fluid (located on the driv-
er's side)
Washer fluid filler pipe
7
Central electrical unit
Air filter
Engine oil filler pipe
7
Fill the washer fluid at regular intervals, e.g. when refuelling.
MAINTENANCE AND SERVICE
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555
WARNING
Remember that the radiator fan (located at
the front of the engine compartment, behind
the radiator) may start or continue to operate
automatically for up to approx. 6 minutes after
the engine has been switched off.
Always have the engine cleaned by a work-
shop - an authorised Volvo workshop is rec-
ommended. There is a risk of fire if the engine
is hot.
WARNING
The ignition system works at a very high and
hazardous voltage. The car's electrical system
must always be in ignition position 0 when
work is being performed in the engine com-
partment.
Do not touch the spark plugs or ignition coil
when the car's electrical system is in ignition
position II or when the engine is hot.
Related information
•
Opening and closing the bonnet (p. 553)
•
•
•
Fuses in engine compartment (p. 569)
•
Checking and filling with engine oil
(p. 556)
•
Engine oil
An approved engine oil must be used in order
that the recommended service intervals can be
applied.
Volvo recommends:
In order to fulfil the requirements for the
engine's service intervals all engines are filled
with a specially adapted synthetic engine oil
at the factory. The choice of oil has been
made very carefully with regard to service life,
starting characteristics, fuel consumption and
environmental impact.
An approved engine oil must be used in order
that the recommended service intervals can
be applied. Only use a prescribed grade of oil
for both filling and oil change, otherwise there
is a risk of the service life, starting characte-
ristics, fuel consumption and environmental
impact of the car being affected.
If engine oil of the prescribed grade and vis-
cosity is not used, engine related components
may become damaged. Volvo Car Corporation
disclaims any liability for any such damage.
Volvo recommends that oil changes are car-
ried out at an authorised Volvo workshop.
Volvo uses different systems for warning of low/
high oil level or low oil pressure. Certain engine
variants have an oil pressure sensor, and then the
driver display's warning symbol for low oil pres-
sure
is used. Other variants have an oil
level sensor, when the driver is informed via the
driver display's warning symbol
and display
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MAINTENANCE AND SERVICE
556
texts. Certain variants have both systems. Contact
a Volvo dealer for more information.
Change the engine oil and oil filter in accordance
with the intervals specified in the Service and
Warranty Booklet.
Using oil of a higher than specified grade is per-
mitted. If the car is driven in adverse conditions,
Volvo recommends using an oil of a higher grade
than the one specified.
Related information
•
Checking and filling with engine oil
(p. 556)
•
Adverse driving conditions for engine oil
(p. 599)
•
Engine oil — specifications (p. 598)
Checking and filling with engine oil
The oil level is detected with the electronic oil
level sensor.
Filler pipe
8
.
In some cases, oil may need to be topped up
between service intervals.
No action with regard to engine oil level needs to
be taken until a message is shown in the driver
display.
WARNING
If this symbol is shown together
with the message
Engine oil level
Service required
, visit a workshop
- an authorised Volvo workshop is
recommended. The oil level may be too high.
If this symbol is shown together
with a message about low oil level,
such as
Engine oil level low
Refill 1 litre
for example, then only
fill the volume specified, e.g. 1 litre (1 quart).
WARNING
Do not spill oil onto the hot exhaust manifold
due to the risk of fire.
Check the oil level
1. Open the
Car status
app from the app view
in the centre display.
2. Press
Status
to show the oil level.
8
Engines with electronic oil level sensor do not have a dipstick.
MAINTENANCE AND SERVICE
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557
Graphics for oil level in the centre display.
The oil level is checked using the electronic oil
level gauge in the centre display when the engine
is switched off.
The oil level should be checked regularly.
The system cannot directly detect changes
when the oil is filled or drained. The car must
have been driven approx. 30 km (approx.
20 miles) and have been stationary for
5 minutes with the engine switched off and
on level ground before the oil level indication
is correct.
If the right conditions for measuring the oil
level (time after engine shutdown, the car's
inclination, outside temperature, etc.) are not
met, then the message
No value available
will be shown in the centre display. This does
not mean that there is something wrong in
the car's systems.
Related information
•
•
Engine oil — specifications (p. 598)
•
Adverse driving conditions for engine oil
(p. 599)
•
•
Topping up coolant
The coolant cools the internal combustion
engine to the correct operating temperature. The
heat that is transferred from the engine to the
coolant can be used to heat the passenger com-
partment.
When topping up the coolant, follow the instruc-
tions on the packaging. Never top up with water
only. The risk of freezing increases with both too
little and too much coolant concentrate.
If there is coolant under the car, if there is cool-
ant smoke, or if more than 2 litres have been
filled, always call for recovery to avoid the risk of
engine damage due to a defective cooling sys-
tem when attempting to start the car.
WARNING
Coolant can be very hot. If the coolant
requires topping up when the engine is at
operating temperature, unscrew the expan-
sion tank cap slowly to gently release the
overpressure.
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MAINTENANCE AND SERVICE
558
Coolant expansion tank, left-hand drive car.
Screw off the cap in the plastic cover.
Screw off the cap on the expansion tank and
top up with coolant. The coolant level must
not exceed the yellow MAX mark inside the
expansion tank.
Reinstall the parts in reverse order.
Coolant expansion tank, right-hand drive car.
Grip the hatch's handle and lift/jiggle the
hatch from the plastic cover.
Screw off the cap on the expansion tank and
top up with coolant. The coolant level must
not exceed the yellow MAX mark inside the
expansion tank.
Reinstall the parts in reverse order.
MAINTENANCE AND SERVICE
559
•
A high content of chlorine, chlorides and
other salts may cause corrosion in the
cooling system.
•
Always use coolant with anti-corrosion
agent as recommended by Volvo.
•
Ensure that the coolant mixture is 50%
water and 50% coolant.
•
Mix the coolant with approved quality
water. In the event of any doubt about
water quality, used ready-mixed coolant in
accordance with Volvo recommendations.
•
When changing coolant/replacing cool-
ing system components, flush the cooling
system clean with approved quality water
or flush with ready-mixed coolant.
•
The engine must only be run with a well-
filled cooling system. Otherwise, tempera-
tures that are too high may occur result-
ing in the risk of damage (cracks) in the
cylinder head.
Related information
•
Coolant — specifications (p. 600)
Servicing the climate control system
The air conditioning system must only be serv-
iced and repaired by an authorised workshop.
Troubleshooting and repair
The air conditioning system contains fluorescent
tracing agents. Ultraviolet light must be used dur-
ing leak detection.
Volvo recommends that you contact an author-
ised Volvo workshop.
Cars with R134a refrigerant
WARNING
The air conditioning system contains pressur-
ised refrigerant R134a. This system must only
be serviced and repaired by an authorised
workshop.
Cars with R1234yf refrigerant
WARNING
The air conditioning system contains pressur-
ised refrigerant R1234yf. In accordance with
SAE J2845 (Technician Training for Safe
Service and Containment of Refrigerants
Used in Mobile A/C System), service and
repair of the refrigerant system must only be
performed by trained and certified technicians
in order to ensure the safety of the system.
Related information
•
MAINTENANCE AND SERVICE
560
Bulb replacement
Halogen headlamps are not available for all
models and markets. Contact a Volvo dealer for
more information.
An LED
9
type lamp must be replaced by a work-
shop. An authorised Volvo workshop is recom-
mended.
For information about bulbs not covered in
this article, contact a Volvo dealer or a certi-
fied Volvo service technician.
Outside lighting such as headlamps and rear
lamps may temporarily have condensation on
the inside of the lens. This is normal, all exte-
rior lighting is designed to withstand this.
Condensation is normally vented out of the
lamp housing when the lamp has been
switched on for a time.
Related information
•
•
Bulb specifications
The specifications apply to bulbs in the halogen
headlamps as well as the reversing lamp bulb
and the rear fog lamp bulb. Contact a work-
shop
10
if faults occur in other lamps.
Function
W
A
Type
Dipped beam
55
H7
Main beam
65
H9
Front direction indicators
24
PY24W
daytime running lights/
position lamps, front
21/5
W21/5W
Reversing lamp
21
H21W LL
Rear fog lamp
21
H21W LL
A
Watt
Related information
•
Wiper blades in service position
The windscreen wiper blades must be in service
position (vertical position) when, for example,
they are being replaced.
Wiper blades in service position.
In order to change, clean or lift the wiper blades
(e.g. for scraping off ice from the windscreen)
they must be in service position.
Before placing the wiper blades in the service
position, make sure that they are not frozen
down.
9
LED (Light Emitting Diode)
10
An authorised Volvo workshop is recommended.
MAINTENANCE AND SERVICE
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561
Activating/deactivating service mode
Service mode can be activated/deactivated when
the car is stationary and the windscreen wipers
are not on. Service mode is activated/deactivated
via the function view:
Press the
Wiper Service
Position
button. The light indi-
cator in the button illuminates
when the service position is
activated. Upon activation, the
wipers move to standing
straight up. To deactivate the
service mode, press
Wiper Service Position
again. The light indicator in the button extin-
guishes when the service position is deactivated.
The wiper blades also exit service position if:
•
Windscreen wiping is activated.
•
Windscreen washing is activated.
•
Rain sensor activated.
•
The car is driven away.
If the wiper arms in service position have
been folded up from the windscreen, they
must be folded back down onto the wind-
screen before the activation of wiping, wash-
ing or the rain sensor, as well as before driv-
ing. This is to avoid scraping the paint on the
bonnet.
Related information
•
Replacing a wiper blade (p. 561)
•
•
Overview of the centre display (p. 33)
•
Windscreen and headlamp washers (p. 152)
Replacing a wiper blade
The wiper blades sweep water away from the
windscreen and rear window. Together with the
washer fluid they clean the windows and ensure
visibility for driving. Windscreen and rear window
wiper blades can be replaced.
Replacing a windscreen wiper blade
||
MAINTENANCE AND SERVICE
562
Fold up the wiper arm when it is in service
position. Press the button located on the
wiper blade mounting and pull straight out
parallel with the wiper arm.
Slide in the new wiper blade until a "click" is
heard.
Check that the blade is firmly installed.
4. Fold the wiper arm back towards the wind-
screen.
The wiper blades are different lengths.
The wiper blades are different lengths. The
blade on the driver's side is longer than on
the passenger side.
Replacing the wiper blade, rear window
1. Fold out the wiper arm.
2. Grip the inner section of the blade (by the
arrow).
3. Turn anticlockwise to use the blade's end
position against the wiper arm as a lever to
detach the blade more easily.
4. Press the new wiper blade into place. You
should hear a click. Check that it is firmly
installed.
5. Lower the wiper arm.
Check the blades regularly. Neglected main-
tenance shortens the service life of the wiper
blades.
MAINTENANCE AND SERVICE
* Option/accessory.
563
Related information
•
Wiper blades in service position (p. 560)
•
Cleaning the exterior (p. 581)
Filling washer fluid
Washer fluid is used for cleaning the headlamps
as well as the windscreen and rear window.
Washer fluid with antifreeze must be used when
the temperature is under the freezing point.
Filling of washer fluid takes place in the reservoir
with a blue cap. The reservoir is used for wind-
screen washer, rear window washer and head-
lamp washers
*
When approx. 1 litre of washer fluid remains
in the reservoir the message
Washer fluid
Level low, refill
is shown in the driver display
together with the symbol
.
Prescribed grade: Washer fluid recommended
by Volvo - with frost protection during cold
weather and below freezing point.
Use Volvo genuine washer fluid or equivalent
with a recommended pH of between 6 and 8,
in working dilution (e.g. 1:1 with neutral
water).
Use washer fluid with antifreeze when the
temperature is below freezing to avoid freez-
ing in the pump, reservoir and hoses.
Volume:
•
Cars with headlamp washing: 5.5 litres.
•
Cars without headlamp washing: 3.5 litres.
Related information
•
Windscreen and headlamp washers (p. 152)
•
MAINTENANCE AND SERVICE
564
Starter battery
The electrical system is single-pole and uses the
chassis and engine casing as a conductor.
The starter battery is used to start up the electri-
cal system and drive electrical equipment in the
car. The hybrid battery is used when the internal
combustion engine is started.
The starter battery should be replaced by a
workshop
11
.
The starter battery is a 12 V AGM battery
(Absorbed Glass Mat), designed for the carbon
dioxide reducing functions Start/Stop and regen-
erative charging, and to support the functionality
of the car's different systems.
The service life and function of the starter battery
is influenced by factors such as the number of
starts, discharging, driving style, driving condi-
tions, climatic conditions etc.
•
Never disconnect the starter battery when
the engine is running.
•
Check that the cables to the starter battery
are correctly connected and properly tight-
ened.
WARNING
•
The battery can generate oxyhydrogen
gas, which is highly explosive. A spark can
be formed if a jump lead is connected
incorrectly, and this can be enough for
the battery to explode.
•
Do not connect the jump leads to any
fuel system component or any moving
part. Be careful of hot engine parts.
•
The battery contains sulphuric acid, which
can cause serious burns.
•
If sulphuric acid comes into contact with
eyes, skin or clothing, flush with large
quantities of water. If acid splashes into
the eyes - seek medical attention imme-
diately.
•
Never smoke near the battery.
When connecting an external starter battery or
battery charger, use the car's charging points in
the engine compartment. The battery terminals
on the car's starter battery in the cargo area must
not be used.
It is not possible to charge another car’s bat-
tery by means of current through the charging
points. Using the charging points to charge
another car's battery may cause a fuse to
blow, which means that the charging points
will stop working.
Positive charging point
Negative charging point
11
An authorised Volvo workshop is recommended.
MAINTENANCE AND SERVICE
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565
When charging the starter battery, only use a
modern battery charger with controlled charg-
ing voltage. Fast charging function must not
be used since it may damage the battery.
If both the starter battery and the hybrid bat-
tery are discharged then both batteries must
be charged. In such a case, charging only the
hybrid battery first is not possible.
In order for the hybrid battery to be charged
the starter battery must have a certain state
of charge.
If the following instruction is not observed
then the energy saving function for infotain-
ment may be temporarily disengaged, and/or
the message in the driver display about the
starter battery's state of charge may be tem-
porarily inapplicable, following the connection
of an external starter battery or battery
charger:
•
The negative battery terminal on the car's
starter battery must never be used for
connecting an external starter battery or
battery charger - only the car's negative
charging point may be used as the
grounding point.
The life of the battery is shortened if it
becomes discharged repeatedly.
The life of the battery is affected by several
factors, including driving conditions and cli-
mate. Battery starting capacity decreases
gradually with time and therefore needs to be
recharged if the car is not used for a longer
time or when it is only driven short distances.
Extreme cold further limits starting capacity.
To maintain the battery in good condition, at
least 15 minutes of driving/week is recom-
mended or that the battery is connected to a
battery charger with automatic trickle charg-
ing.
A battery that is kept fully charged has a
maximum service life.
||
MAINTENANCE AND SERVICE
566
The starter battery is located in the cargo area.
The following table shows specifications for the
starter battery.
Battery
H8 AGM
Voltage (V)
12
Cold start
capacity
A
- CCA
B
(A)
850
Size , L×W×H
(mm)
353×175×190
(13.9×6.9×7.5 inches)
Capacity (Ah)
95
A
According to EN standard.
B
Cold Cranking Amperes.
Volvo recommends entrusting battery replace-
ment to an authorised Volvo workshop.
When replacing the starter battery, a battery
of AGM
12
type must be fitted.
If the starter battery is replaced, make sure
you replace it with a battery with the same
cold starting capacity and type as the original
battery (see the label on the battery).
The starter battery's container size must be
consistent with the dimensions for the origi-
nal battery.
Related information
•
Symbols on the batteries (p. 566)
•
Using jump starting with another battery
(p. 413)
•
•
Charging the hybrid battery (p. 454)
Symbols on the batteries
There are information and warning symbols on
the batteries.
Use protective goggles.
Further information in the
owner's manual for the car.
Store the battery out of the
reach of children.
The battery contains corro-
sive acid.
12
Absorbed Glass Mat.
MAINTENANCE AND SERVICE
567
Avoid sparks and naked
flames.
Risk of explosion.
Must be taken for recycling.
An expended battery must be recycled in an
environmentally safe manner as it contains
lead.
Related information
•
Hybrid battery
The car is equipped with a hybrid battery for
electric motor operation - a maintenance-free
rechargeable Lithium-ion type battery.
The car cannot be started if the hybrid battery
is discharged.
If both the starter battery and the hybrid bat-
tery are discharged then both batteries must
be charged. In such a case, charging only the
hybrid battery first is not possible.
In order for the hybrid battery to be charged
the starter battery must have a certain state
of charge.
WARNING
The hybrid battery must only be replaced by a
workshop - an authorised Volvo workshop is
recommended.
Coolant
The hybrid battery's cooling system has a sepa-
rate expansion tank.
The hybrid battery's coolant must only be top-
ped up by a workshop - an authorised Volvo
workshop is recommended.
Related information
•
Charging the hybrid battery (p. 454)
•
•
MAINTENANCE AND SERVICE
568
Fuses
All electrical functions and components are pro-
tected by a number of fuses in order to protect
the car's electrical system from damage by short
circuiting or overloading.
WARNING
Never use a foreign object or a fuse with an
amperage higher than that specified when
replacing a fuse. This could cause significant
damage to the electrical system and possibly
lead to fire.
WARNING
Orange-coloured cables must only be handled
by qualified personnel.
WARNING
Several components in the car work with
high-voltage current that could be dangerous
in the event of incorrect intervention.
Do not touch anything that is not clearly
described in this owner's manual.
If an electrical component or function does not
work, it may be because the component's fuse
was temporarily overloaded and failed. If the
same fuse fails repeatedly then there is a fault in
the circuit. Volvo recommends contacting an
authorised Volvo workshop for checking.
Location of central electrical units
Central electrical unit locations in a left-hand
drive car. In a right-hand drive car the central
electrical units under the glovebox change sides.
Engine compartment
Under the glovebox
Cargo area
Related information
•
Replacing a fuse
All electrical functions and components are pro-
tected by a number of fuses in order to protect
the car's electrical system from damage by short
circuiting or overloading.
Changing
1. Look in the fuse diagram to locate the fuse.
2. Pull out the fuse and check from the side to
see whether the curved wire has blown.
3. If this is the case, replace it with a new fuse
of the same colour and amperage.
WARNING
Never use a foreign object or a fuse with an
amperage higher than that specified when
replacing a fuse. This could cause significant
damage to the electrical system and possibly
lead to fire.
Related information
•
•
Fuses in engine compartment (p. 569)
•
•
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