The service and repair manual for the 2008 Subaru Impreza — 2.5L H4 and 2.5L H4 and 2.0L H4 engines, 9 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 year | 2008 |
|---|---|
| Engines | 2.5L H4 — 150 cu in, SOHC 2.5L H4 — 150 cu in, DOHC, turbocharged 2.0L H4 — 122 cu in, DOHC |
| Trims | Outback Sport Hatchback 4-Door · 2.5i Sedan 4-Door · WRX STI Hatchback 4-Door · WRX Sedan 4-Door · WRX Hatchback 4-Door · Sport Sedan 4-Door +3 |
| Federal record | 12 recalls · 249 complaints · 176 technical service bulletins (refreshed 2026-08-21) |
02 / InsideSample pages from the 2008 Impreza manual






03 / ContentsSections in the manual
- Quick Lookups 126
- General Information 1,892
- Accessories & Equipment 1,334
- Heating, Ventilation & A/C (HVAC) 154
- Body & Frame 499
- Maintenance 260
- Brakes 802
- Restraints 349
- Drivelines & Axles 212
- Steering 122
- Electrical 426
- Suspension 292
- Engine Mechanical 690
- Transmission 94
- Engine Performance 3,405
- Axle Shaft Nut (Front) 162
- Axle Shaft Nut (Rear) 140
04 / Known issuesRecalls on federal record for the 2008 Impreza
- Air Bags — frontal › passenger side › inflator module · 16V359000An inflator rupture may result in metal fragments striking the vehicle occupants resulting in seriou.
- Air Bags — frontal › passenger side › inflator module · 16V358000An inflator rupture may result in metal fragments striking the vehicle occupants resulting in seriou.
- Electrical System · 16V738000If the air injection pump overheats, it may melt and increase the risk of a fire.
- Engine And Engine Cooling — engine · 08V460000Vibration would occur while driving and, over time, could eventually result in cracking the pipe whi.
- Electrical System — ignition › switch · 19V297000The engine turning off unexpectedly can increase the risk of a crash. if a crash occurs under this.
- Air Bags — frontal › passenger side › inflator module · 17V026000An inflator rupture may result in metal fragments striking the vehicle occupants resulting in seriou.
- Air Bags — frontal › passenger side › inflator module · 17V016000An inflator rupture may result in metal fragments striking the vehicle occupants resulting in seriou.
- Air Bags — frontal › passenger side › inflator module · 17V014000An inflator rupture may result in metal fragments striking the vehicle occupants resulting in seriou.
- Equipment · 09E011000This may result in the bolt(s) snapping off during use or without a load. the unsecured rack and lo.
- Air Bags — frontal › passenger side › inflator module · 20V002000An inflator explosion may result in sharp metal fragments striking the driver or other occupants res.
- Air Bags — frontal › passenger side › inflator module · 20V001000An inflator explosion may result in sharp metal fragments striking the driver or other occupants res.
- Air Bags — frontal › passenger side › inflator module · 20V003000An inflator explosion may result in sharp metal fragments striking the driver or other occupants res.
Owners have filed 249 complaints and Subaru has issued 176 technical service bulletins for the 2008 Impreza. The manual carries the manufacturer's diagnostic and repair procedures behind these systems.
FAQQuestions about the 2008 Impreza manual
Is this manual specific to the 2008 Impreza?
Yes. It is the OEM manual matched to the 2008 model year, covering the 2.5L H4 and 2.5L H4 and 2.0L H4 across the Outback Sport Hatchback 4-Door, 2.5i Sedan 4-Door, WRX STI Hatchback 4-Door, WRX Sedan 4-Door, WRX Hatchback 4-Door, Sport Sedan 4-Door, Sport Hatchback 4-Door, 2.0R Sedan 4-Door, 2.5i Hatchback 4-Door trims. Specifications and procedure sequences are the ones Subaru published for this year.
What 2008 Impreza problems does it help with?
12 recalls are on federal record for the 2008 Impreza, covering air bags, 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 2008 Impreza wiring diagrams?
Yes — the complete wiring diagrams for the 2008 build, alongside repair procedures, specifications and diagnostics.
Is it a subscription?
No. $29.99 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.
RelatedOther Impreza years and 2008 Subaru models
2014 Impreza · 2013 Impreza · 2012 Impreza · 2011 Impreza · 2010 Impreza · 2009 Impreza · 2007 Impreza · 2006 Impreza · 2005 Impreza · 2004 Impreza · 2003 Impreza · 2002 Impreza · all 32 years
2008 Subaru Forester · 2008 Subaru Legacy · 2008 Subaru Outback · 2008 Subaru Tribeca · every 2008 model