2020 Subaru Impreza Service and Repair Manual

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Factory-Grade Data

2020 Subaru Impreza 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

  • Touring Hatchback 4-Door
  • Premium Sedan 4-Door
  • Convenience Hatchback 4-Door
  • Base Sedan 4-Door
  • Sport-tech Sedan 4-Door
  • Base Hatchback 4-Door
  • Premium Hatchback 4-Door
  • Touring Sedan 4-Door
  • Sport-tech Hatchback 4-Door
  • Limited Hatchback 4-Door
  • Convenience Sedan 4-Door
  • Sport Sedan 4-Door
  • Sport Hatchback 4-Door
  • Limited Sedan 4-Door

Engines covered

  • 2.0L 1995CC 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

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Vehicle Safety Data

2020 Subaru Impreza Recalls & Complaints

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

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 #11032037

In the interest of customer satisfaction, Subaru of America, Inc. (SOA) is extending the New Car Limited Powertrain Warranty coverage for the Continuously Variable Transmission (CVT) on the above listed models and model years from the origi

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.

TSB #11032034

This Service Information Bulletin was developed to provide interim guidance for vehicles exhibiting DTC B2A20.

TSB #11030567

This bulletin contains information to help when attempting to complete the STARLINK Telematics subscription process, an Error Code 202 and / or 204 may occur preventing the process from completing successfully

TSB #11030561

This announcement provides information on the use of aftermarket services or tools for programming immobilizer keys/fobs.

TSB #11030560

This bulletin announces the new procedure and Warranty Fail Code for FirstTime air conditioning (A/C) performance concerns possibly resulting from an undetected A/C refrigerant leak.

Showing the 8 most recent of 377 technical service bulletins on file with NHTSA.

20260201Component: AIR BAGSCrash reported1 injured

I got into an accident going 60 miles an hour I crash into a guardrail totaled the car but no airbags deployed I broke my wrist and dislocated my thumb

20220728Component: SERVICE BRAKESCrash reported

I believe this article describes the cause of the issue. Thankfully the vehicle was parked in my driveway, and did not roll into the street or harm any people, but it could have. 2020 Subaru Impreza

20220728Component: UNKNOWN OR OTHERCrash reported

I believe this article describes the cause of the issue. Thankfully the vehicle was parked in my driveway, and did not roll into the street or harm any people, but it could have. 2020 Subaru Impreza

20240426Component: AIR BAGSFire reported1 injured

Passenger Air-bag igniter's wiring shorted out releasing gas into car. The windows were up and the car was not running. I was sitting in passenger side went to light my cigarette and with no warning a

20260428Component: VISIBILITY/WIPER

For the second year in a row my windshield has cracked. Nothing hit it, or happened to make it crack. Both cracks were long and coming from the bottom of the windshield under the passenger wiper blade

Showing the 5 most serious of 98 complaints filed with NHTSA.

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