2010 Subaru Impreza Service and Repair Manual

This factory service and repair manual for the 2010 Subaru Impreza handles a trim list of fourteen names, stretching from the 2.5i, 2.5i Premium and 2.5i Limited to the WRX STI Special Edition. Three gasoline flat-fours appear. Two are naturally aspirated, a 2.0-liter (122 cu in) with dual overhead cams and a single-cam 2.5-liter, and the third is a turbocharged 2.5-liter with dual overhead cams. Four-door sedan and four-door hatchback bodies carry them. Wiring diagrams and specifications are provided for the engines and the electrical system.

Engines covered

• 2.0L flat-four (122 cu in) — DOHC, naturally aspirated, gasoline
• 2.5L flat-four — DOHC, turbocharged, gasoline
• 2.5L flat-four — SOHC, naturally aspirated, gasoline

Body styles covered

• 4-door sedan
• 4-door hatchback

Trims covered

• 2.5 GT
• 2.5i
• 2.5i Limited
• 2.5i Premium
• Outback Sport
• R
• Sport
• WRX
• WRX GT
• WRX Limited
• WRX Premium
• WRX SE
• WRX STI
• WRX STI Special Edition

Known issues on the 2010 Impreza. Fifteen recalls appear on the federal record for the 2010 Impreza. Certain 2010 Impreza vehicles sold or registered in certain states carry a passenger frontal air bag inflator that, after years of humidity and heat cycling, can explode in a deployment and scatter sharp fragments; dealers install a new inflator. On certain 2010 Impreza sedans, contaminants may disable the brake light switch, which also blocks keyless starting and shifting out of Park. Of 46 owner complaints, the largest groups are engine (7), air bags (6) and fuel/propulsion system (6); 3 complaints reported a crash. The fuel, brake and electrical system procedures and diagnostics here connect to those reports.