Volvo S90 (2019 year). Manual — part 34
MAINTENANCE AND SERVICE
574
Opening and closing the hood
To open the hood, pull the lever in the passen-
ger compartment and then turn the handle under
the hood.
Opening the hood
Pull the lever near the pedals to release the
hood from its fully closed position.
Turn the handle under the front edge of the
hood counterclockwise to release the catch
and lift the hood.
Warning - hood not closed
When the hood is released, a warning
symbol and graphic will be displayed in
the instrument panel and an audible
signal will sound. If the vehicle begins
to roll, the audible signal will be repeated several
times.
If the warning symbol is illuminated or an
audible warning signal sounds even though
the hood is securely closed, consult a work-
shop - an authorized Volvo workshop is rec-
ommended.
Closing the hood
1. Press down the hood until it begins to close
under its own weight.
2. When the hood reaches the catch at the
handle in the front edge of the vehicle, press
down on the hood to close it completely.
WARNING
Risk of injury! When closing, make sure that
the hood is completely unobstructed and that
no one can be injured.
WARNING
Make sure the hood locks securely after clos-
ing. It must audibly lock on both sides.
Hood not completely closed. The illustration is generic -
details may vary according to vehicle model.
MAINTENANCE AND SERVICE
* Option/accessory.
575
Hood completely closed. The illustration is generic -
details may vary according to vehicle model.
WARNING
Never drive with the hood open!
If there are any indications while driving that
the hood is not completely closed, stop imme-
diately and close it securely.
Related information
•
Engine compartment overview (p. 576)
•
Door and seat belt reminders (p. 51)
Climate control system service
Service and repairs on the air conditioning sys-
tem should only be done by an authorized work-
shop.
Troubleshooting and repairs
The air conditioning system contains a fluores-
cent tracer substance. Ultraviolet light is used to
search for leaks in the system.
Volvo recommends contacting an authorized
Volvo workshop.
Vehicles with R134a refrigerant
WARNING
The air conditioning system contains the
refrigerant R134a under pressure. Service
and repairs to the system should only be done
by an authorized workshop.
Related information
•
Volvo's service program (p. 564)
Replacing a windshield with head-
up display*
Vehicles with a head-up display have a special
type of windshield that meets the requirements
for displaying projected information.
Volvo recommends contacting an authorized
Volvo workshop for assistance replacing the
windshield. The correct type of replacement
windshield must be used in order for the head-up
display to function properly.
Related information
•
•
MAINTENANCE AND SERVICE
576
Engine compartment overview
This overview shows some service-related com-
ponents.
The layout of the engine compartment may vary depend-
ing on model and engine variant.
Coolant expansion tank
Brake fluid reservoir (located on the driver's
side)
Washer fluid filler pipe
12
Fusebox
Air filter
Engine oil filler pipe
WARNING
Bear in mind that the cooling fan (located at
the front of the engine compartment behind
the radiator) may start or continue running
automatically up to about 6 minutes after the
engine is turned off.
Always entrust engine washing to a workshop
– an authorized Volvo workshop is recom-
mended. If the engine is hot, there is a risk of
fire.
WARNING
The ignition system works with extremely high
and dangerous voltages. The vehicle electrical
system should always be in ignition mode 0
when work in being performed in the engine
compartment.
Do not touch any spark plugs or ignition coils
when the vehicle electrical system is in igni-
tion mode II or when the engine is warm.
Related information
•
Opening and closing the hood (p. 574)
•
•
•
Fuses in the engine compartment (p. 597)
•
Checking and filling engine oil (p. 577)
•
Engine oil
For the recommended service intervals and war-
ranties to be applied, an approved engine oil
must be used.
Volvo recommends:
12
Fill the washer fluid at regular intervals, e.g. when refueling.
MAINTENANCE AND SERVICE
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577
If the engine oil is not checked regularly and the
level becomes low, this could cause serious
engine damage.
To satisfy the requirements for the engine's
service intervals, all engines are factory-filled
with a specially adapted synthetic engine oil.
Great care has been put into the choice of oil,
with consideration given to service life, starta-
bility, fuel consumption and environmental
impact.
For the recommended service intervals to
apply, an approved engine oil must be used.
Only use the prescribed oil grade to top off or
change the oil. Otherwise, there is a risk of
the vehicle's service life, startability, fuel con-
sumption and environmental impact being
affected.
Failure to use engine oil of the prescribed
grade and viscosity could cause damage to
engine-related components. Volvo Car Corpo-
ration disclaims warranty liability for such type
of damage.
Volvo recommends entrusting oil changes to
an authorized Volvo workshop.
Volvo uses different systems to warn if the oil
level is too low/high or the oil pressure is low. On
engine variants with an oil pressure sensor, a
warning symbol is displayed in the instrument
panel when oil pressure is low
. On engine
variants with an oil level sensor, the
warn-
ing symbol in the instrument panel and display
messages are used to alert the driver. Some
engine variants have both systems. Contact a
Volvo retailer for more information.
Change the engine oil and oil filter according to
the schedule specified in the Warranty and Main-
tenance Records Information booklet. Oils of a
higher grade than that specified may be used. If
the vehicle is driven in adverse conditions, Volvo
recommends using an oil with a higher grade
than that specified.
Related information
•
Checking and filling engine oil (p. 577)
•
Engine oil specifications (p. 634)
Checking and filling engine oil
The engine oil level is monitored by an electronic
oil level sensor.
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MAINTENANCE AND SERVICE
578
Filler pipe
13
.
It may be necessary to top up engine oil between
regularly scheduled services.
No action is necessary with regard to engine oil
level until a message appears in the instrument
panel.
WARNING
If this symbol is shown together
with the message
Engine oil level
Service required
, visit a workshop
– an authorized Volvo workshop is
recommended. The oil level may be too high.
If this symbol is shown together
with a message about low oil level,
for example
Engine oil level low
Refill 1 liter
, fill only with the indi-
cated volume, e.g. 1 liter (1 quart).
WARNING
Do not spill oil on the hot exhaust pipes as
this could cause a fire.
Viewing oil level in the center display
The oil level can be viewed using the electronic
oil level gauge in the center display once the
vehicle has been started. The oil level should be
checked regularly.
1. Open the
Car Status
app from App view in
the center display.
2. Tap
Status
to display the oil level.
Oil level graphic in the center display.
The system cannot directly detect changes
when the oil is filled or drained. The vehicle
must have been driven approximately 30 km
(20 miles) and have been stationary
5 minutes on a level surface and with the
engine off before the correct oil level will be
displayed.
13
Engines with an electronic oil level sensor do not have a dipstick.
MAINTENANCE AND SERVICE
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579
If the conditions for measuring oil level are
not properly fulfilled (time after engine shut-
down, vehicle inclination, ambient tempera-
ture, etc.) the message
No value available
will be shown in the center display. This does
not mean that anything is wrong in the vehi-
cle systems.
Related information
•
•
Engine oil specifications (p. 634)
•
•
Refilling coolant
Coolant helps keep the combustion engine at
the right operating temperature. The heat trans-
ferred from the engine to the coolant can be
used to warm the passenger compartment.
When refilling coolant, follow the instructions on
the package. Never fill the cooling system with
only water. The risk of freezing is increased with
too low or too high amounts of coolant.
If there is coolant under the vehicle, smoke from
the cooling system, or if more than 2 liters (about
2 quarts) of coolant has been added to the sys-
tem, there could be something wrong with the
cooling system and starting the vehicle could
damage the engine. Call a tow truck and do not
attempt to start the engine.
WARNING
The coolant may be very hot. Never unscrew
the cap when the coolant is hot. If coolant
must be filled, unscrew the expansion tank
cap slowly to relieve overpressure.
Coolant expansion tank, left-hand drive vehicle.
||
MAINTENANCE AND SERVICE
580
Unscrew the cover in the plastic covering.
Unscrew the expansion tank cap and fill
coolant as needed. The level should not
exceed the yellow MAX mark inside the
expansion tank.
Put the components back in place in the reverse
order.
•
Do not ingest the contents. May cause
damage to organs (kidneys).
•
Use premixed coolant according to Vol-
vo's recommendations. If concentrated
coolant is used, make sure that the cool-
ant mixture is 50% coolant and 50%
water of acceptable quality.
•
Do not mix different types of coolant.
•
To help ensure sufficient corrosion pro-
tection in the system, only use new cool-
ant when replacing larger components in
the cooling system.
•
Never run the engine unless the cooling
system is properly filled. An improperly
filled cooling system could lead to high
temperatures and cracks in the cylinder
heads.
•
High levels of chlorine, chlorides and
other salts may cause corrosion in the
cooling system.
Related information
•
Engine compartment overview (p. 576)
•
Coolant specifications (p. 635)
Replacing bulbs
The bulbs in the halogen headlights and rear fog
light can be changed without the help of a work-
shop.
Halogen headlights are not available on all mod-
els and markets. Contact a Volvo retailer for
more information.
LED
14
bulbs must be replaced by a workshop.
An authorized Volvo workshop is recommended.
For information on lights not mentioned in
this article, contact a Volvo dealer or a certi-
fied Volvo service technician.
The bulbs in the halogen headlights can be
changed without the help of a workshop. Before
a bulb can be replaced, the plastic covering over
the headlight must be removed.
If you are experiencing problems with any lights
other than light bulbs, contact a workshop
15
. If
there is a problem with an LED
14
light, the entire
lamp unit will normally need to be replaced.
WARNING
The vehicle electrical system must be in igni-
tion mode 0 when bulbs are replaced.
MAINTENANCE AND SERVICE
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* Option/accessory.
581
Never touch the bulb glass with your bare fin-
gers. Grease and oils from your fingers vapor-
ize in the heat and will leave a deposit on the
reflector, which may damage it.
If the error message persists after the defec-
tive bulb has been replaced, we recommend a
visit to an authorized Volvo workshop.
Exterior lighting such as headlights and tail-
lights may develop temporary condensation
on the inside of the lens. This is normal. All
exterior lighting is designed to resist this.
Condensation is normally vented out of the
lamp housing once the light has been lit for
some period of time.
Bulbs for active curve lighting* contain traces
of mercury and should therefore always be
submitted to a certified Volvo service techni-
cian.
Related information
•
Location of exterior lights (p. 582)
•
Removing the plastic cover to replace bulbs
(p. 581)
•
Replacing the low beam headlight bulbs
(p. 583)
•
Replacing the high beam headlight bulbs
(p. 584)
•
Replacing daytime running lights/front park-
ing light bulbs (p. 584)
•
Replacing front turn signal bulbs (p. 585)
•
Replacing the rear fog light bulb (p. 586)
•
Removing the plastic cover to
replace bulbs
The headlight bulbs can be replaced without the
assistance of a workshop, but before a bulb can
be replaced, the plastic cover over the headlight
needs to be removed.
–
Release the pins in the plastic cover's four
clips by pressing them down with a screw-
driver or similar object and remove the cover-
ing.
14
LED (Light Emitting Diode)
15
An authorized Volvo workshop is recommended.
||
MAINTENANCE AND SERVICE
* Option/accessory.
582
To bear in mind when refitting the covering:
•
The pin in the clip must be pressed back
completely before the clip is reinstalled in
the covering.
•
When the covering is reinstalled, the pin
must be pressed in until the end surface
is level with the surface of the clip.
Related information
•
•
Replacing the low beam headlight bulbs
(p. 583)
•
Replacing the high beam headlight bulbs
(p. 584)
•
Replacing daytime running lights/front park-
ing light bulbs (p. 584)
•
Replacing front turn signal bulbs (p. 585)
•
Location of exterior lights
The vehicle's exterior lighting consists of several
different bulbs. LED
16
bulbs must be replaced
by a workshop. An authorized Volvo workshop is
recommended.
Front bulbs (vehicles with halogen
headlights)
Low beams
High beams
Daytime running light/parking light
Turn signal
Front fog light/cornering illumination* (LED)
Rear bulbs
Fog light
Parking light (LED)
Turn signal
17
Parking light (LED)
Brake light (LED)
Parking light (LED)
Backup light
17
Brake light
‒ central, high-mounted (LED)
16
LED (Light Emmitting Diode)
17
Contact a workshop for replacement
‒ an authorized Volvo workshop is recommended.
MAINTENANCE AND SERVICE
583
Related information
•
•
•
Lighting panel and controls (p. 150)
Replacing the low beam headlight
bulbs
The low beam bulbs in the halogen headlights
can be changed without the help of a workshop.
Before the bulbs can be replaced, the plastic cov-
ering over the headlight must be removed.
Never touch the bulb glass with your bare fin-
gers. Grease and oils from your fingers vapor-
ize in the heat and will leave a deposit on the
reflector, which may damage it.
Left headlight.
1. Remove the low beam rubber cover from the
headlight housing.
2. Remove the connector from the bulb.
3. Remove the bulb by pressing it slightly
upward and then pulling it out.
4. Insert the new bulb in the socket. The bulb's
guiding pin should point straight up.
5. Press the connector into place.
6. Put the rubber cover back in place.
Related information
•
Location of exterior lights (p. 582)
•
Removing the plastic cover to replace bulbs
(p. 581)
•
MAINTENANCE AND SERVICE
584
Replacing the high beam headlight
bulbs
The high beam bulbs in the halogen headlights
can be changed without the help of a workshop.
Before the bulbs can be replaced, the plastic cov-
ering over the headlight must be removed.
Never touch the bulb glass with your bare fin-
gers. Grease and oils from your fingers vapor-
ize in the heat and will leave a deposit on the
reflector, which may damage it.
Left headlight.
1. Remove the high beam rubber cover from
the headlight housing.
2. Remove the bulb by turning the bulb holder
upward and then pulling it straight out.
3. Carefully pry the plastic sleeve by the con-
nector's locking lug to release it.
4. Remove the connector from the bulb.
5. Replace the bulb.
6. Position the bulb in the socket and turn it
downward.
7. Put the rubber cover back in place.
Related information
•
Location of exterior lights (p. 582)
•
Removing the plastic cover to replace bulbs
(p. 581)
•
Replacing daytime running lights/
front parking light bulbs
The daytime running light/parking light bulbs in
the halogen headlights can be changed without
the help of a workshop.
Before the bulbs can be replaced, the plastic cov-
ering over the headlight must be removed.
Daytime running lights/parking lights are eas-
ier to reach if the high beam headlight bulbs
are removed. The high beam headlights are
mounted above and to the side of the daytime
running lights/parking lights. Remove the
high beam headlight bulb by turning the bulb
holder upward and then pulling it straight out.
Never touch the bulb glass with your bare fin-
gers. Grease and oils from your fingers vapor-
ize in the heat and will leave a deposit on the
reflector, which may damage it.
MAINTENANCE AND SERVICE
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585
Left headlight.
1. Remove the daytime running light/parking
light rubber cover from the headlight hous-
ing.
2. Pull the daytime running light/parking light
bulb holder straight out.
3. Remove the bulb by pulling it straight out.
4. Replace the bulb.
5. Position the bulb holder in the socket and
push it into place.
6. If the high beam bulb holder has come loose,
position it in the socket and turn downward.
7. Put the rubber cover back in place.
Related information
•
Location of exterior lights (p. 582)
•
Removing the plastic cover to replace bulbs
(p. 581)
•
•
Replacing the high beam headlight bulbs
(p. 584)
Replacing front turn signal bulbs
The turn signal bulbs in the halogen headlights
can be changed without the help of a workshop.
Before the bulbs can be replaced, the plastic cov-
ering over the headlight must be removed.
Left headlight.
1. Remove the turn signal rubber cover from
the headlight housing.
2. Press the retaining catches together and pull
the bulb holder straight out.
3. The bulb holder and bulb must be replaced
as one unit.
4. Position the bulb holder in the socket and
push it into place.
5. Put the rubber cover back in place.
||
MAINTENANCE AND SERVICE
586
Related information
•
Location of exterior lights (p. 582)
•
Removing the plastic cover to replace bulbs
(p. 581)
•
Replacing the rear fog light bulb
The rear fog light bulb is located behind a panel
on the inside of the trunk lid on the driver's side.
The rear fog light bulb should be replaced by
a workshop – an authorized Volvo workshop is
recommended.
To replace the rear fog light bulb:
Rubber cover the trunk lid lock.
1. Remove the rubber cover over the trunk lid
lock by moving it from side to side and pull-
ing it straight off. It can be put back into
position by pressing it into place.
Buttons in the trunk lid.
2. Remove the buttons in the trunk lid by insert-
ing a flat object (e.g. a kitchen knife or
screwdriver) behind the short sides of the
button console and prying it out. The electri-
cal connector for the buttons does not need
to be disconnected.
MAINTENANCE AND SERVICE
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587
Trunk lid closing handle.
3. The closing handle on the inside of the trunk
lid must be removed on the side of the vehi-
cle in which the fog light is mounted. Insert a
flat object (kitchen knife, screwdriver, etc.)
into the sides of the handle console to
release the two catches while prying out the
handle. To put the handle back into position,
press hard until the catches click back into
the locked position.
Both lock lugs of the closing handle must be
pressed in at the same time before the han-
dle can be folded out and removed.
Attaching clips on the panel.
4. Remove the three outermost clips on the
panel on the inside of the trunk lid on the
side in which the fog light is mounted.
The rectangular section of the clip points toward the
front and rear of the vehicle.
5. To remove a clip: Insert a flat object (e.g.
kitchen knifes or screwdrivers) into both
short sides of the clip to release both
catches at the same time and then pry and
pull out the clip.
||
MAINTENANCE AND SERVICE
588
The hinge's plastic cover is held into place by a plastic
clip and three latches.
6. To remove the hinge's plastic cover on the
side in which the fog light is mounted: Press
down the pin in the center of the plastic clip
using a screwdriver or similar. Pry/pull out
the plastic clip.
7. Release the plastic cover's three latches
using e.g. a small screwdriver and remove the
plastic cover.
8. Carefully pry and pull down the loosened
section of panel to access the bulb.
To bear in mind when reinstalling the plastic
rivet for the plastic guard of the hinge:
•
Before the plastic rivet can be used for
reinstallation, its center pin must first be
pressed back far enough that it protrudes
from the plastic rivet.
•
Once the plastic guard of the hinge is
secured in position, press the plastic rivet
into the hole of the plastic guard.
•
Finally, the pin is pressed into the plastic
rivet until its end surface is in line with the
surface of the plastic rivet.
Left-side rear fog light
Left-side bulb housing.
1. Remove the bulb holder by turning it a quar-
ter-turn counterclockwise and then pulling it
out.
2. Remove the old bulb from the bulb holder by
pressing it in and turning it counterclockwise.
3. Insert the new bulb by pressing it in and
turning it clockwise.
4. Wipe any dirt, grease or moisture from the
bulb's glass.
5. Insert the bulb into the bulb holder and turn
it a quarter-turn clockwise.
6. Put the panel, plastic cover over the hinge
and other parts back into place in the reverse
order.
MAINTENANCE AND SERVICE
589
Related information
•
Location of exterior lights (p. 582)
•
Bulb specifications
The following specifications apply to the bulbs in
the halogen headlights and the rear fog light.
If you are experiencing problems with any other
lights, contact a workshop
18
.
Function
W
A
Type
Low beams
55
H11
High beams
65
H9
Front turn signal
24
PY24W
Daytime running light/
parking light, front
21/5
W21/5W
Rear fog light
21
H21W LL
A
Watt
Related information
•
Location of exterior lights (p. 582)
•
18
An authorized Volvo workshop is recommended.
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