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Engine compartment – overviewThe overview shows the main inspection points in the engine compartment.
Coolant expansion tank
Power steering fluid reservoir
Dipstick-engine oil
Filler cap-engine oil
Cover over brake fluid reservoir
Battery
Relay/fuse box
Washer fluid reservoir
Engine compartment - 4-cylinder engines only
Filler cap-engine oil
Coolant expansion tank
Radiator
Brake fluid reservoir
Battery
Relay/fuse box
Washer fluid reservoir
Air cleaner
The appearance of the engine compartment may vary depending on engine model.
WARNING
The cooling fan (located at the front of the engine compartment, behind the radiator) maystart or continue to operate (for up to6 minutes) after the engine has beenswitched off.
WARNING
Before performing any operations in the engine compartment, the ignition should always be completely switched off (in mode 0,
see Ignition modes (p. 74)) and there should be no remote keys in the passenger compart- ment. The gear selector should be in the P
(park) position. If the engine has been run- ning, wait until it has cooled before touchingany components in the engine compartment. The distributor ignition system operates at very high voltages. Special safety precautionsmust be followed to prevent injury. Alwaysturn the ignition off when:
• Replacing distributor ignition componentse.g. plugs, coil, etc.
• Do not touch any part of the distributorignition system while the engine is run-ning. This may result in unintended move-ments and body injury.
Related information
•Maintenance – opening/closing hood (p. 329)
• Maintenance – owner maintenance (p. 325)
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MAINTENANCE AND SERVICING
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333
CAUTION
•If Oil service required is displayed, the
oil level may be too high. Take the vehicle to an authorized Volvo workshop as soonas possible.
• If the oil level sensor indicates that thelevel is too low, using the correct oil, topup with the amount of oil indicated assoon as possible, see oil specifica-tions (p. 376).
WARNING
Do not allow oil to spill onto or come into con- tact with hot exhaust pipe surfaces.
Electronically checking the oil level
The oil level should be checked at regular inter- vals, particularly during the period up to the firstscheduled maintenance service. To check the oil level:1.
Activate ignition mode II, see Ignition modes
(p. 74).
2. Turn the thumb wheel on the left steering wheel lever until
Oil level is displayed.
> The oil level will be displayed.
NOTE
• The system cannot detect changes in the oil level immediately. The vehicle must bedriven approximately 20 miles (30 km) orhave been parked on level ground withthe engine off for 5 minutes before theoil level reading will be correct.
• If the necessary conditions are not metfor checking the oil level electronically(time interval after the engine wasswitched off, if the vehicle is parked on an incline, etc.),
No values available will
be displayed. This does not indicate a
problem with the oil level sensor.
Engine compartment – coolant
Normally, the coolant does not need to be changed. If the system must be drained, consulta trained and qualified Volvo service technician.
Level check and filling
Location of the coolant reservoir
See Fuel tank volume – specification and volume (p. 379) for information on cooling systemcapacities.
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CAUTION
•If necessary, top up the cooling system with Volvo Genuine Coolant/Antifreezeonly (a 50/50 mix of water and anti-freeze).
• Different types of antifreeze/coolant maynot be mixed.
• If the cooling system is drained, it shouldbe flushed with clean water or premixedanti-freeze before it is refilled with thecorrect mixture of water/anti-freeze.
• The cooling system must always be keptfilled to the correct level, and the level must be between the
MIN and MAX
marks. If it is not kept filled, there can be high local temperatures in the enginewhich could result in damage. Checkcoolant regularly!
• Do not top up with water only. Thisreduces the rust-protective and anti-freeze qualities of the coolant and has alower boiling point. It can also causedamage to the cooling system if it shouldfreeze.
• Do not use chlorinated tap water in thevehicle's cooling system.
WARNING
•
Never remove the expansion tank cap while the engine is warm. Wait until theengine cools.
• If it is necessary to top off the coolantwhen the engine is warm, unscrew theexpansion tank cap slowly so that theoverpressure dissipates.
Engine compartment – brake fluid
The brake fluid should always be between the MIN and MAX marks on the inside of the reser-
voir.
Location of the brake fluid reservoir
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PosFunctionA
Control module - auto- matic transmission15
A/C compressor (not 4- cyl. engines)15
Relay-coils A/C, relay coils in engine compartmentcold zone for Start/Stop5
Starter motor relayA30
Engine control module (4- cyl. engines) Ignition coils (5 cyl. engines)20
Engine Control Module (4- cyl. engines)20
Engine Control Module (5- cyl. engines)10
4-cyl. engines: mass air meter, thermostat, EVAPvalve10
5-cyl. engines: Injection system, engine controlmodule15
PosFunctionA
A/C compressor (5-cyl. engines), engine valves, oillevel sensor (5-cyl. only)10
Engine valves/oil pump/ center heated oxygensensor (4-cyl. engines)15
Front/rear heated oxygen sensors (4-cyl. engines),EVAP valve (5-cyl.engines), heated oxygensensors (5-cyl. engines)15
Oil pump/crankcase venti- lation heater/coolantpump (5-cyl. engines)10
Ignition coils (4-cyl. engines)15
Fuel leakage detection (5- cyl. engines), control mod-ule for radiator shutter (5-cyl. engines)5
Fuel leakage detection, A/C solenoid (4-cyl.engines)7.5
Coolant pump (4-cyl. engines)50
PosFunctionA
Cooling fan60 or 80 (4-cyl.engines)
60 (5-cyl. engines)
Power steering100
A
This position is not used on vehicles with the optional Start/ Stop function, refer to the table "Engine compartment coldzone" in Fuses – engine compartment cold zone (Start/Stoponly) (p. 359).
Related information
• Fuses – glove compartment (p. 355)
• Fuses – cargo area/trunk (p. 358)
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SPECIFICATIONS
375
Engine specificationsThe following table provides technical data for the respective engines. Engine specifications forSpecial Edition vehicles may vary. Some of the engines listed here may not beavailable in all markets.
Engine specifications
EngineT6 / T6 AWDT5T5 / T5 AWDPolestar
Engine designationB4204T9B4204T12B4204T11B4204T43
Output (kW/rps)225/95179/93179/93270/95
Output (hp/rpm)302/5700240/5600240/5600362/5700
Torque (Nm/rps)400/35–75350/25-75350/25-75470/35-75
Torque (ft. lbs./rpm)295/1500–4500258/1500–4500258/1500–4500347/1500-4500
No. of cylinders4444
Bore (in/mm)3.23/823.23/823.23/823.23/82
Stroke (in/mm)3.67/93.23.67/93.23.67/93.23.67/93.2
Displacement1.97 liters (120.2 cu. in.)1.97 liters (120.2 cu. in.)1.97 liters (120.2 cu. in.)1.97 liters (120.2 cu. in.)
Compression ratio10.3:110.8:110.8:19.1:1
Related information
•
Coolant – specification and volume (p. 378)
• Oil specifications (p. 376)
• Oil volume (p. 377)
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SPECIFICATIONS
378
Coolant – specification and volume The table lists coolant volumes and specifica- tions.
SystemVolumeSpecification
B4204T9 B4204T12B4204T11B4204T438.7 US qts. (8.3 liters)Coolant with corrosion inhibi-tor mixed withwater (50/50mix), see pack-aging.
Related information
•Engine compartment – coolant (p. 333)
Transmission oil – specification and volumes The table lists transmission oil 1
volumes and
specifications.
Automatic transmis-sionVolumeSpecifica- tion
TF-80SD7.4 US qts (7 liters)Transmis- sion fluidAW1
TG-81SC7 US qts ( 6.6 liters)
TF-71SC7.1 US qts (6.8 liters)
Related information
• Label information (p. 368)
Brake fluid – specification and volume
Brake fluid transfers braking force when the brake pedal is depressed to the master cylinderand to the slave cylinders on each wheel.
Specification: Volvo Original Standard DOT 4 or
equivalent Volume: 0.63 US qts (0.6 liters)
Related information
•Engine compartment – brake fluid (p. 334)
1
Under normal driving conditions the transmission oil does not need changing during its service life. However, it may be necessary under adverse driving conditions.