2018 Volvo S90 Service and Repair Manual

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Factory-Grade Data

2018 Volvo S90 service and repair manual — a detailed, factory-style reference for maintenance, diagnostics, and repair. Use it to confirm correct procedures, specifications, and system coverage before you start work.

Designed for technicians and DIY owners, this manual helps you troubleshoot accurately, follow step-by-step repair procedures, and reference wiring diagrams and system sections quickly while you work.

What’s included

  • Step-by-step repair procedures and service information
  • Specifications and reference data (where provided)
  • Wiring diagrams and electrical sections
  • Powertrain, brakes, steering, suspension, HVAC and more

Trims covered

  • T8 Inscription Sedan 4-Door
  • T6 Momentum Sedan 4-Door
  • T6 Inscription Sedan 4-Door
  • T5 Momentum Sedan 4-Door
  • T8 Momentum Sedan 4-Door

Engines covered

  • 2.0L 1969CC l4 PLUG-IN HYBRID EV-GAS (PHEV) DOHC Turbo/Supercharged
  • 2.0L 1969CC l4 GAS DOHC Turbo/Supercharged
  • 2.0L 1969CC l4 GAS DOHC Turbocharged

Index / Table of contents

  • Body
  • Brakes
  • Chassis Electrical
  • Driveline
  • Engine Cooling
  • Engine Electrical
  • Engine Mechanical
  • Engine Performance & Emission Controls
  • Fuel System
  • General Information & Identification
  • Heating, Ventilation, & Air Conditioning
  • Hybrid & Electric Vehicle Systems
  • Steering
  • Suspension
  • Transmission, Clutch, & Transfer Case
  • Wiring Diagrams

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Vehicle Safety Data

2018 Volvo S90 Recalls & Complaints

NHTSA #19V22000020/03/2019Component: SEATS

Volvo Car USA LLC (Volvo) is recalling certain 2018-2019 XC60 and S90 vehicles. The driver and passenger front seat rail rear flange nuts may not have been installed during assembly.

Consequence

If the nuts are missing, in the event of a crash, the front seat structure and position may be affec

Remedy

Volvo will notify owners, and dealers will inspect the front seat rails for missing flange nuts, ins

NHTSA #18V80000013/11/2018Component: ELECTRICAL SYSTEM:SOFTWARE

Volvo Car USA LLC (Volvo) is recalling certain 2017-2019 Volvo XC90, S90, V60, V60 Cross Country, V90, XC40, XC60, and V90 Cross Country vehicles. The software installed in the Vehicle Connectivity M

Consequence

If the GPS location is not provided to emergency personnel it can inhibit emergency response in the

Remedy

Volvo will notify owners, and dealers will correct the software, free of charge. The recall began D

TSB #11032678

This is a Technical Journal: Text plus 2 PDFs and 1 .PNG Oil Consumption test. Perform the test. Follow service procedure Description and Service sections updated to clarify that vehicle reports are not required.

TSB #11032671

This is a TJ text only - The purpose of this TJ is to be a master reference list to easily identify any components that are on prior approval. This TJ will be regularily updated as items are added or removed from prior approval. Curren

TSB #11028386

This is a Technical Journal: Text plus 1 jpg and 1 mp4 file -- If there is a strange chafing or creaking noise when turning the steering wheel, follow the advice under Service.

TSB #11028383

This is a Technical Journal: Text plus TJI-516730-1_1_0 Headliner, squeak/rattle noise If a squeaking noise can be heard from the headlining around the sun roof, see instructions under Service referring to TJI-516730-1_1_0

TSB #11027185

This is a TJ - Text plus 2 jpeg files and 1 mp4 file - If customer complains of the hood being hard to close or "Open Hood" DIM message, please follow advice under "service". And before replacing any parts, follow the 3 steps in the instruc

TSB #11027173

This is a Technical Journal. Vehicle type and platform identification.

TSB #11026736

This is a TJ - Text plus 2 jpeg files and 1 mp4 file - If customer complains of the hood being hard to close or "Open Hood" DIM message, please follow advice under "service". And before replacing any parts, follow the 3 steps in the instruc

TSB #11026731

This is a Technical Journal: Prior Approval - lack of airflow combined with a poor cooling performance follow the advice under service.

Showing the 8 most recent of 462 technical service bulletins on file with NHTSA.

20260503Component: FORWARD COLLISION AVOIDANCE: WARNINGS

ISSUE 1 – VOLVO ON CALL / VCM "SERVICE REQUIRED" MESSAGE: My vehicle has displayed a persistent "Volvo On Call Service Required" error message in the Driver Information Module (DIM) for over one ye

20260503Component: BACK OVER PREVENTION: WARNINGS

ISSUE 1 – VOLVO ON CALL / VCM "SERVICE REQUIRED" MESSAGE: My vehicle has displayed a persistent "Volvo On Call Service Required" error message in the Driver Information Module (DIM) for over one ye

20260211Component: WHEELS

There is a great deal of vibration at highway speeds. It has been like this since I purchased the car.

20251010Component: UNKNOWN OR OTHER

The AC system releases refrigerant into the cabin due to Volvo improperly engineering the climate control and allowing the evaporator core to freeze and crack. They acknowledge the issue and have rel

20250312Component: LATCHES/LOCKS/LINKAGES:DOORS:LATCH

Rear right door lock failed, stuck closed. Extremely unsafe if someone was sitting in the back and unable to leave vehicle. It has been confirmed by others. It has been inspected by an independent mec

Showing the 5 most serious of 23 complaints filed with NHTSA.

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