2020 Subaru Forester Service and Repair Manual
2020 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
- Premium Sport Utility 4-Door
- Limited Sport Utility 4-Door
- Convenience Sport Utility 4-Door
- Touring Sport Utility 4-Door
- Premier Sport Utility 4-Door
- Sport Sport Utility 4-Door
- Base Sport Utility 4-Door
- 2.5i Sport Utility 4-Door
Engines covered
- 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
This bulletin contains additional information for recommended materials listed in the Service Manuals for individual models.
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).
This bulletin announces a design change made to the CVT Control Valve Body which incorporates an enhanced valve sleeve to improve durability.
This announcement provides information on the remanufactured CVT transmission program.
This bulletin announces a design change to the Power Rear Gate Drive (PRG) Unit to address rare concerns about a very slight drop immediately after the gate is fully open.
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).
This bulletin announces the service manual correction regarding clutch master cylinder reservoir service procedures.
This bulletin contains additional information for recommended materials listed in the Service Manuals for individual models.
Showing the 8 most recent of 435 technical service bulletins on file with NHTSA.
Automatic braking system failed and led to a front end collision immediately a fire broke out under the hood and accelerated into the car with in minutes using a tire iron the passenger door was for
Automatic braking system failed and led to a front end collision immediately a fire broke out under the hood and accelerated into the car with in minutes using a tire iron the passenger door was for
Collided with a deer that was running across the freeway. Driving legal speed. Impact to front driver's side. Impact seemed relatively minor. No passenger injury. Odd that the airbags didn't deploy. A
We hit a deer, front-end impact, then our Forester started on fire and completely burned up. The airbags did not deploy, we were not injured but the car is a complete loss.
At one year old this vehicle was involved in a frontal collision with a deer and immediately upon impact burst into flames. The fire breached the firewall between the engine compartment and passenger
Showing the 5 most serious of 793 complaints filed with NHTSA.
