2018 Subaru Impreza Service & Repair Manual

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The service and repair manual for the 2018 Subaru Impreza — the 2.0L H4 engine, 14 trims. Matched to this exact model year, so the specifications and sequences are the ones Subaru published for your car, not figures carried over from a neighbouring year.

01 / FitmentWhat this manual covers

Model year2018
Engines
2.0L H4 — 122 cu in, DOHC
TrimsTouring Hatchback 4-Door · Premium Sedan 4-Door · Convenience Hatchback 4-Door · Base Sedan 4-Door · Sport-tech Sedan 4-Door · Base Hatchback 4-Door +8
Federal record5 recalls · 181 complaints · 368 technical service bulletins (refreshed 2026-08-21)

02 / InsideSample pages from the 2018 Impreza manual

2018 Subaru Impreza service manual page 12018 Subaru Impreza service manual page 22018 Subaru Impreza service manual page 32018 Subaru Impreza service manual page 42018 Subaru Impreza service manual page 52018 Subaru Impreza service manual page 6

03 / ContentsSections in the manual

  • Quick Lookups 236
  • General Information 1,622
  • Accessories & Equipment 3,504
  • Heating, Ventilation & A/C (HVAC) 282
  • Body & Frame 887
  • Maintenance 14
  • Brakes 535
  • Restraints 573
  • Drivelines & Axles 179
  • Steering 250
  • Electrical 875
  • Suspension 280
  • Engine Mechanical 656
  • Transmission 758
  • Engine Performance 2,995
  • Axle Shaft Nut (Front) 162
  • Axle Shaft Nut (Rear) 177

04 / Known issuesRecalls on federal record for the 2018 Impreza

  1. Fuel System, Gasoline — delivery › fuel pump · 21V587000
    Fuel pump failure can cause an engine stall while driving, increasing the risk of a crash.
  2. Electrical System — software · 19V743000
    If a short circuit occurs while driving, the vehicle may stall, increasing the risk of a crash.
  3. Engine And Engine Cooling — exhaust system › emission control › crankcase (p · 19V744000
    An unexpected loss of power while driving can increase the risk of a crash.
  4. Electrical System — software · 21V264000
    A short circuit in the ignition coils may cause a stall, increasing the risk of a crash.
  5. Exterior Lighting — headlights · 22V624000
    Reflectors that do not provide adequate illumination reduce the driver's ability to see and increase.

Owners have filed 181 complaints and Subaru has issued 368 technical service bulletins for the 2018 Impreza. The manual carries the manufacturer's diagnostic and repair procedures behind these systems.

FAQQuestions about the 2018 Impreza manual

Is this manual specific to the 2018 Impreza?

Yes. It is the OEM manual matched to the 2018 model year, covering the 2.0L H4 across the 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 trims. Specifications and procedure sequences are the ones Subaru published for this year.

What 2018 Impreza problems does it help with?

5 recalls are on federal record for the 2018 Impreza, covering fuel system, gasoline, electrical system, engine and engine cooling. The manual carries the manufacturer's diagnostic and repair procedures for those systems; the recall repairs themselves are done free by Subaru dealers.

Does it include 2018 Impreza wiring diagrams?

Yes — the complete wiring diagrams for the 2018 build, alongside repair procedures, specifications and diagnostics.

Is it a subscription?

No. $49.99 once and the manual is yours. It is a digital manual — nothing ships; access details arrive by email after checkout and it works on any device.

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