2008 Volvo S40 Service and Repair Manual

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Factory-Grade Data

2008 Volvo S40 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

  • T5 Addition Sedan 4-Door
  • 2.4i Sedan 4-Door
  • T5 Inspiration Sedan 4-Door
  • T5 Sedan 4-Door
  • T5 Kinetic Sedan 4-Door

Engines covered

  • 2.5L 2521CC 154Cu. In. l5 GAS DOHC Turbocharged
  • 2.4L 2435CC l5 GAS DOHC Naturally Aspirated
  • 2.5L 2521CC l5 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

2008 Volvo S40 Recalls & Complaints

NHTSA #08V32900023/07/2008Component: STEERING:HYDRAULIC POWER ASSIST:HOSE, PIPING, AND CONNECTIONS

VOLVO IS RECALLING MY 2008-2009 VEHICLES. A SECTION OF THE POWER STEERING RETURN LINE HOSE WAS NOT PROPERLY VULCANIZED (CURED) AND DOES NOT MEET SPECIFICATIONS. IF THE POWER STEERING RETURN HOSE FAI

Consequence

THIS CAN RESULT IN A RAPID DRAINAGE OF THE POWER STEERING FLUID IN THE SYSTEM AND A COMPLETE LOSS OF

Remedy

DEALERS WILL INSPECT AND REPLACE THE STEERING RETURN LINE HOSE ASSEMBLY FREE OF CHARGE. THE RECALL

NHTSA #10V56600008/11/2010Component: EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM)

VOLVO IS RECALLING CERTAIN VEHICLES EQUIPPED WITH GARMIN 760 PORTABLE GLOBAL POSITIONING SYSTEM (GPS) UNITS BECAUSE THE BATTERIES ON THOSE UNITS MAY OVERHEAT.

Consequence

AN OVERHEATED BATTERY COULD LEAD TO A FIRE.

Remedy

VOLVO ADVISES OWNERS TO PLEASE STOP USING THE GARMIN PORTABLE GPS DEVICE IMMEDIATELY, AND VISIT THE

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 #11027173

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

TSB #11020437

This is a Technical Journal: Remote connection, BOMGAR application. Before joining a remote session: Connect a suitable battery maintainer/charger and verify that the battery voltage indicated in VIDA is between 12.5V and 14.9V. C

TSB #11016002

Volvo Cars USA LLC and Volvo Car Canada LTD on behalf of the Volvo Car Corporation has decided to launch Service Action S10303 on certain model year 2025 EX90 vehicles. Volvo Car Investigations have identified that there is a pairing i

TSB #11015994

Volvo Cars USA LLC and Volvo Car Canada LTD on behalf of the Volvo Car Corporation has decided to launch Service Action S10303 on certain model year 2025 EX90 vehicles. Volvo Car Investigations have identified that there is a pairing i

TSB #11014113

This is a Technical Journal: Vehicle/Connectivity report checklist. To provide timely and high-quality feedback to the appropriate department or factory

TSB #11014112

This is a Technical Journal: Remote connection, BOMGAR application. Before joining a remote session: Connect a suitable battery maintainer/charger and verify that the battery voltage indicated in VIDA is between 12.5V and 14.9V. C

Showing the 8 most recent of 158 technical service bulletins on file with NHTSA.

20141021Component: SUSPENSIONCrash reported1 injured

I WAS DRIVING MY 2008 VOLVO S40 STOPPED IN TRAFFIC WHEN I WAS IN MAJOR/SEVERE REAR END COLLISION. THE FORCE OF THE IMPACT (70+ MPH) PUSHED ME INTO A VEHICLE AHEAD WHICH CAUSED SEVERE FRONTAL DAMAGE TH

20141021Component: SEATSCrash reported1 injured

I WAS DRIVING MY 2008 VOLVO S40 STOPPED IN TRAFFIC WHEN I WAS IN MAJOR/SEVERE REAR END COLLISION. THE FORCE OF THE IMPACT (70+ MPH) PUSHED ME INTO A VEHICLE AHEAD WHICH CAUSED SEVERE FRONTAL DAMAGE TH

20141021Component: AIR BAGSCrash reported1 injured

I WAS DRIVING MY 2008 VOLVO S40 STOPPED IN TRAFFIC WHEN I WAS IN MAJOR/SEVERE REAR END COLLISION. THE FORCE OF THE IMPACT (70+ MPH) PUSHED ME INTO A VEHICLE AHEAD WHICH CAUSED SEVERE FRONTAL DAMAGE TH

20100224Component: VEHICLE SPEED CONTROLCrash reported1 injured

TL*THE CONTACT OWNS A 2008 VOLVO S40. SHE STATED THAT WHILE DRIVING 2 MPH AND PARKING THE VEHICLE WITH HER FOOT ON THE BRAKE PEDAL, THE VEHICLE ACCELERATED ON ITS OWN AND CRASHED INTO A STORE WINDOW.

20210810Component: ELECTRICAL SYSTEMCrash reported

After buying the vehicle on 7/9/21, the car started having problems with the cooling system. I took it to a repair shop and they said the cooling system was overfilled. The air problem continued. I to

Showing the 5 most serious of 27 complaints filed with NHTSA.

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