2018 Subaru Forester Service and Repair Manual

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Covers all 2018 Forester trims — 2.0XT Limited Sport Utility 4-Door, Premium Sport Utility 4-Door, Limited Sport Utility 4-Door +5 more ·
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2018 Subaru Forester 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 diagnose issues correctly, follow proven repair steps, and use wiring diagrams and system sections to track faults faster.

What’s included

  • Step-by-step repair procedures and service information
  • Specifications and reference data (where provided)
  • Electrical diagnostics with wiring diagrams
  • Coverage across major systems: engine, transmission/driveline, brakes, steering, suspension, HVAC, and more

Trims covered

  • 2.0XT Limited Sport Utility 4-Door
  • Premium Sport Utility 4-Door
  • Limited Sport Utility 4-Door
  • 2.5i Limited Sport Utility 4-Door
  • 2.5i Touring Sport Utility 4-Door
  • 2.0XT Touring Sport Utility 4-Door
  • Touring Sport Utility 4-Door
  • 2.5i Convenience Sport Utility 4-Door
  • 2.5i Sport Utility 4-Door
  • 2.0XT Premium Sport Utility 4-Door
  • 2.5i Premium Sport Utility 4-Door
  • XT Sport Utility 4-Door

Engines covered

  • 2.0L 1998CC 122Cu. In. H4 GAS DOHC Turbocharged
  • 2.5L 2498CC 152Cu. In. H4 GAS DOHC Naturally Aspirated

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
NHTSA #21V58700029/07/2021Component: FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP

Subaru of America, Inc. (Subaru) is recalling certain 2019-2020 Ascent, 2018 Forester, 2018-2020 Impreza, Legacy, Outback, 2018-2019 BRZ, WRX, and Toyota 86 vehicles. The low-pressure fuel pump insid

Consequence

Fuel pump failure can cause an engine stall while driving, increasing the risk of a crash.

Remedy

Dealers will replace the low-pressure fuel pump, free of charge. Owner notification letters were ma

NHTSA #19V70100003/10/2019Component: AIR BAGS:SENSOR:OCCUPANT CLASSIFICATION

Subaru of America, Inc. (Subaru) is recalling certain 2015-2018 Forester vehicles equipped with heated seats. An electrical connection in the front passenger seat for the Occupant Detection System (O

Consequence

If the connection loosens, the front passenger airbag may deactivate even though the seat is occupie

Remedy

Subaru will notify owners, and dealers will inspect and, as necessary, replace the ODS sensor mat ha

TSB #11033069

This bulletin contains additional information for recommended materials listed in the Service Manuals for individual models.

TSB #11033065

This bulletin provides updated parts information and a service procedure to follow for removing accumulated carbon deposits from fuel injectors and internal engine components (e.g. intake valves and / or manifold, and combustion chambers).

TSB #11033063

This bulletin announces a design change made to the CVT Control Valve Body which incorporates an enhanced valve sleeve to improve durability.

TSB #11033056

This announcement provides information on the remanufactured CVT transmission program.

TSB #11033051

This bulletin announces the diagnostic procedures to be used when DTCs B1571(REFERENCE CODE INCOMPATIBILITY IMMOBILIZER CM TO ECM) and B1572(IMM CIRCUIT EXCEPT ANTENNA CIRCUIT) are detected by Keyless Access with Push Button Start(KACM).

TSB #11032040

This bulletin announces the service manual correction regarding clutch master cylinder reservoir service procedures.

TSB #11032039

This bulletin contains additional information for recommended materials listed in the Service Manuals for individual models.

TSB #11032035

This Bulletin provides the diagnostic procedures to be followed when addressing customer concerns of steering wheel/vehicle body vibration when driving at highway speeds when tire/wheel balance is suspected.

Showing the 8 most recent of 301 technical service bulletins on file with NHTSA.

20190902Component: AIR BAGSCrash reported2 injured

I WAS IN AN ACCIDENT IN WHICH A CAR T-BONED MY PASSENGER SIDE. NO AIRBAGS DEPLOYED AND WE SUFFERED INJURY AS A RESULT. THE OTHER CAR THAT HIT US HAD ALL AIR BAGS DEPLOYED. THIS WAS A MALFUNCTION IN TH

20230623Component: STRUCTURE:BODYCrash reported1 injured

Front end collision with car making an illegal left in front of our Subaru. Our car hood, bumper, head lights, grill and parts of the engine were smashed, with liquid draining out of the engine. My hu

20230623Component: EXTERIOR LIGHTINGCrash reported1 injured

Front end collision with car making an illegal left in front of our Subaru. Our car hood, bumper, head lights, grill and parts of the engine were smashed, with liquid draining out of the engine. My hu

20230623Component: ENGINECrash reported1 injured

Front end collision with car making an illegal left in front of our Subaru. Our car hood, bumper, head lights, grill and parts of the engine were smashed, with liquid draining out of the engine. My hu

20220630Component: POWER TRAINCrash reported1 injured

The contact owns a 2018 Subaru Forester. The contact stated she was parking in a parking space when the vehicle accelerated at a very high speed without any warning causing the driver to crash into a

Showing the 5 most serious of 664 complaints filed with NHTSA.

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