2009 Subaru Forester XTFACTORY OEM SERVICE PROCEDURE

General Information: Specifications: Forester: Engine

ENGINE SPECIFICATIONS

Model 2.5 L Non-turbo 2.5 L Turbo
Engine type Horizontally opposed, liquid cooled, 4-cylinder, 4-stroke gasoline engine
Valve system mechanism Method SOHC DOHC
Number of valves Intake 2/Exhaust 2
Bore x stroke mm (in) 99.5 x 79 (3.92 x 3.11)
Displacement cm3 (cu in) 2,457 (149.94)
Compression ratio 10.0 8.4
Ignition order 1-3-2-4
Idling speed [at neutral position on MT, or "P" or "N" position on AT] P rpm MT: 650
AT: 700		 700
Maximum output kW (HP)/rpm 126 (170)/6,000 167 (224)/5,200
Maximum torque N.m (kgf-m, ft-lb)/rpm 229 (23.4,169)/4,400 307 (31.3,226) 72,800
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.

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