engine coolant VOLVO S90 TWIN ENGINE 2020 User Guide

MAINTENANCE AND SERVICE
583
Hybrid battery The vehicle's electric motor is powered by a rechargeable, maintenance-free, lithium-ionhybrid battery.
NOTE
The vehicle cannot be started if the hybrid battery is discharged.
NOTE
If both the starter battery and the hybrid battery are discharged, both batteries
must be charged. In such cases, it is notpossible to charge only the hybrid batteryfirst. The starter battery must have a certain level of charge for it to be possible tocharge the hybrid battery.
WARNING
Hybrid battery replacement may only be performed by a workshop – an authorizedVolvo workshop is recommended.
CoolantThe hybrid battery's cooling system has its own expansion tank.
CAUTION
Filling the hybrid battery coolant should only be performed by a workshop – anauthorized Volvo workshop is recom-mended.
Specifications for hybrid batteryType: Lithium-ion
Power reserve: 11.6 kWh.
NOTE
The capacity of the hybrid battery decrea- ses with age and use, which could result inincreased use of the combustion engine,leading to higher fuel consumption andreduced electric motor range.
Related information
Battery symbols (p. 584)
Start battery (p. 579)
Charging the hybrid battery (p. 381)
Battery recycling (p. 584)

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MAINTENANCE AND SERVICE
* Option/accessory.
598
Function Ampere Type
Fuses in the trunk/cargo compartment 10 Micro
Control module for Internet-connected vehicle; Control module for Volvo On Call 5 Micro
–20
– Micro
Infotainment control module (amplifier)
40
MCaseA
–
–
MCaseA
Multi-band antenna module
5 Micro
Front seat massage function* 5 Micro
–
– Micro
Rear door sun curtain modules15 Micro
Fuel pump control module15 Micro
Relay coils in distribution box in engine compartment; Relay coil for transmission oil pump; Medium-voltage converter; Integrated start generator 5 Micro
Opening trunk/tailgate with foot movement
* 5 Micro
Driver's seat heating
15 Micro
Front passenger's seat heating15 Micro
Coolant pump7.5 Micro
– – Micro

SPECIFICATIONS
630
Engine specifications Engine specifications (output, etc.) for each engine variant are shown in the table below.The specifications for Special Edition vehiclesmay vary.Twin Engine vehicles are powered by both agasoline engine and an electric motor (ERAD– Electric Rear Axle Drive).NOTE
Not all engines are available on all markets.
Engine
Engine codeA
Output
(kW/rps) Output
(hp/rpm) Torque
(Nm/rps) Torque
(ft. lbs./rpm) Number of cylinders
T8 Twin Engine B4204T28 233/100 313/6000 400/37–90 295/2200–5400 4
T8 Twin Engine Polestar B4204T39 245/100 328/6000 430/75 317/4500 4
A The engine code, component and manufacturer serial numbers can be found on the engine.
Electric motorMax. output: 65 kW (87 hp).
Torque: 240 Nm.
Related information
Type designations (p. 624)
Engine oil specifications (p. 631)
Coolant specifications (p. 632)

SPECIFICATIONS
632
Coolant specifications
Recommended grade: Volvo-approved pre-
mixed coolant. If concentrated coolant is used, mix with 50% water of acceptablequality (i.e. not salt water, etc.). Consult aVolvo retailer if you have any questions.
To avoid deterioration of the cooling system, engine trouble, etc., only approved Volvo cool-ant should be used.
WARNING
Coolant is hazardous if ingested and could cause damage to organs (kidneys). Theproduct contains ethylene glycol, inhibitor,water, etc.
Related information
Refilling coolant (p. 576)
Transmission fluid specifications
Under normal driving conditions, the trans- mission fluid will not need to be changed dur-ing the transmission's service life. However,it may need to be changed if the vehicle isdriven frequently in adverse driving condi-tions.
Automatic transmission
Prescribed transmission fluid: AW-1
Related information
Type designations (p. 624)
Brake fluid specifications
The medium in the hydraulic brake system is called brake fluid and is used to transfer brak-ing force from e.g. pressure on the brakepedal via a master brake cylinder to one ormore slave cylinders, which in turn act on amechanical brake.
Recommended grade: Volvo Original or simi-
lar fluid that meets a combination of Dot 4, 5.1 and ISO 4925 class 6.
NOTE
Changing or filling brake fluid should be entrusted to an authorized Volvo work-shop.
Related information
Engine compartment overview (p. 573)

INDEX
639
Driver profile 133
edit 134, 135, 137
select 134
Driver support system 268 Drive mode 301
Drive systems 418 Driving cooling system 439
Driving economy 428
Driving through standing water 433
E
Economical driving 428
Electrical outlet 554 use 554
Electrical system 579 Electric drive motor specifications 630
electric motor 418 Range 429
Electric parking brake 406
Electronic immobilizer 248
emergency brake lights 158
Emission inspection readiness 562
Energy distribution using map data 424
Engine automatic start and stop of combus-
tion engine 419
overheating 439
start 398
turn off 400
Engine braking 403, 413 Engine compartment coolant 576
engine oil 574
overview 573
Engine drag control 269
Engine oil 574 filling 575
filter 574
grade and volume 631
Engine shutdown 400
Engine specifications 630Engine temperature high 439
Environment 28 Ethanol content max. 10% by volume 436
Exterior dimensions 627
Extra heater (Auxiliary heater) 231F
Federal Clean Air Act 562
Ferry transport 425
Flooded road 433
Fluids, volumes 621, 633
Fluids and oils 632, 633Fog lights rear 157
Four-C 425Front seat blower 219
climate 209
heating 211
temperature 221
ventilation 213
Front seat manual 184
Front seats, power 185 adjusting passenger seat from driv-
er's seat 193
adjusting seat 185
Lumbar support 191
massage 188, 189, 190
multifunction control 188, 189, 190, 191
Side bolsters 191
store position 186, 187
Fuel 436 Travel Link service 471