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The manuals for Subaru Impreza can also be used for engine & engine mechanical on:
1. Legacy
2. Outback
3. Wagon

: SUBARU Impreza, Legacy, Outback, Wagon,engine, transmission, & engine mechanical such as clutch, drive-shaft, axles, brakes, electrical, ABS, cruise control, doors & glass, engine trouble diagnosis, & much...much...more.

Excluded on: Legacy, Outback, Wagon, Body,body panels, instrument cluster & other small model variations.

SUBARU 1993-1996 Impreza Service Repair Manual

COVERS: Engines 1.6L, 1.8L (DOHC only), 2.0L 1993-1994-1995-1996.

540+ pdf PAGES



SUBARU 1997-1998 Impreza-Service
    Repair Manual

COVERS: Engines 1.6L, 1.8L, 2.0L (turbo), 2.0L (non-turbo),  1997-1998.

615+ pdf PAGES



SUBARU 1999-2000 Impreza Service Repair Manual

COVERS: Engines 2.2L AWD, 2.5L AWD, 1999-2000.

2,410+ pdf PAGES




SUBARU 2001 Impreza Service Repair Manual

COVERS: Engines 2.2L AWD, 2.5L AWD.

2,120+ pdf PAGES



SUBARU 2002 Impreza (non-WRX) Service Repair Manual

COVERS: Engines 2.0L Turbo, 2.5L

3,335+ pdf PAGES




SUBARU 2002-WRX Impreza Service Repair Manual

COVERS: WRX Model Engines 2.0L Turbo, 2.5L DOHC & SOHC

2,680+ pdf PAGES



EJ22 Engine

Beginning in the 1997 Model Year, the ej22 2.2 liter engine for 1997 Legacy and Impreza models has had internal and external changes that yield an approximately 10% increase in power and 3% increase in fuel economy.

Accomplishing this involves many factors, one of which is ej22 engine friction reduction. The piston, a major source of engine friction, has been coated with a friction reducing agent called Molybdenum. This thin coating not only allows smoother travel through the cylinder, but also reduces cylinder wall scuffing.

The skirt of the piston has been reshaped and the overall weight has been reduced by approximately 100 grams. Compression ratio on ej22 has been increased to 9.7 to 1 by reshaping the crown of the piston. This eliminates the clearance that was available between the piston at TDC and the fully opened valve.

Piston pin offset has been changed to 0.5 mm (0.0 in). Piston to cylinder wall clearance has been reduced by increasing the piston diameter.

Another source of the high ej22 engine friction is the valve train. Hydraulic lash adjusters (HLAs) are always in contact with the valves. The hydraulic pressure of the lash adjuster must be overcome during operation and during the most critical time of engine start.

To overcome this situation and to contribute to the total reduction of friction loss, 1997 and later SOHC ej22 engines have solid valve adjusters. The scheduled service of this valve train is set at 100,000 miles (160,000 km). SOHC engines now use an adjustment screw to adjust valve clearance.

The roller rocker cam follower system that was introduced on the 1.8L Impreza engines, is installed on all 1995 model year and later 2.2 liter engines. The roller assemblies are not serviceable separately, but the rocker arms may be serviced as individual units.

The carbon composition head gaskets with integrated o-rings are interchangeable from left to right on 1990 to 1994 N/A engines only.

Other EJ22 Engine Modifications (2.2L 1997) The intake manifold has been reshaped to increase the airflow mass and speed, contributing to improved low and mid engine speed operation. Components located on the intake manifold have been relocated as compared to the 1996 models. EGR Solenoid, Purge Control Solenoid, etc.

1999 2.2 Liter Phase 2 Engine Enhancements: All 2.2 liter engine for 1999 are the Phase 2 design. The ej22 2.2 liter Phase 2 engines are a SOHC design, with a newly-designed cylinder head

Subaru Impreza News

All-new Subaru Impreza WRX and STI launched in PH -

driving.caAll-new Subaru Impreza WRX and STI launched in PHInquirer.netSubaru unveiled the all-new Impreza WRX and STI models to the very excited and enthusiastic Asean Media, dealer principals and special guests hot on the heels of its public unveiling at the recently concluded Manila International Autoshow. THE STI ...Subaru WRX hatchback off the table once againdriving.caSubaru WRX Wagon Not LikelyMotorTrend Magazineall 25 news articles »

2014 Subaru Impreza | new car review - (press release)

2014-04-24 (press release)2014 Subaru Impreza | new car (press release)The Subaru Impreza has been around since 1992 and more surprisingly, the brand has always offered it in two bodystyles; a four door sedan and a five door hatchback. Currently in its fourth generation, it's still the same story.

2014 Subaru Impreza 2.0i Sport Review - Auto123

Pistonheads.com2014 Subaru Impreza 2.0i Sport ReviewAuto123At the same time as my esteemed colleague was off driving the new 2015 WRX in the Californian sun, I was stuck at home in well-below-zero temperatures and snow behind the wheel of a '14 Subaru Impreza. While the two may seem worlds apart, they are ...AutoPilot: 2015 Subaru WRXRichmond Times DispatchFirst drive – RB – Subaru WRX and WRX STI 2015Wheels.ca2015 Subaru WRX STI -Motoring -Cars Guideall 60 news articles »

King and Tierney win opening round of WARC

Dylan King and Lee Tierney (Subaru Impreza WRX) have won the opening round of the 2014 West Australian Rally Championship (WARC), the Quit Forest Rally, which was held in the towns of Busselton and Nannup over the weekend.

Why Was The Subaru Impreza Voted Best Off-Road Beater?

Jalopnik 's March Madness bracket of beaters has reached the Failure Four and a champion of each category has been selected. There were some strong candidates among the off-roaders; Jeep XJ, Ford Ranger... yet you chose to exalt the first-gen Subaru Impreza as the bastion of beater dirt devils. Read more...

2015 Subaru WRX STI: The ultimate performance Subaru

Lots of Subaru WRX fans were likely upset with the passing of the 5-Door Hatch for the 2015 model year, as the 2015 Subaru WRX is back to offering only a five-passenger, four-door sedan.