Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2004 Subaru Baja Base, AutomaticFACTORY OEM SERVICE PROCEDURE
Identification & Specifications: Specifications: Outback: Engine
Engine Specifications Chart
| Model | Sedan/Wagon | ||||||
| 2.5 L | 3.0 L | ||||||
| Engine type | Horizontally opposed, liquid cooled, 4-cylinder, 4-stroke gasoline engine | Horizontally opposed, liquid cooled 6-cylinder, 4-stroke gasoline engine | |||||
| Valve arrangement | Overhead camshaft type | Double overhead camshaft type | |||||
| Bore x Stroke | mm (in) | 99.5 x 79.0 (3.917 x 3.110) | 89.2 x 80.0 (3.512 x 3.150) | ||||
| Displacement | cm3 (cu in) | 2,457 (149.9) | 3,000 (183.06) | ||||
| Compression ratio | 10.0 | 10.7 | |||||
| Firing order | 1 - 3 - 2 - 4 | 1 - 6 - 3 - 2 - 5 - 4 | |||||
| Idle speed at Park/Neutral position | rpm | 650 (MT), 700 (AT) | 600 | ||||
| Maximum output | kW (HP)/rpm | 123 (165)/5,600(1) 119 (160)/5,600(2) |
158 (212)/6,000 | ||||
| Maximum torque | N.m (kgf-m, ft-lb)/rpm | 226 (23.0, 166)/3,600 | 282 (28.8, 208)/4,400 | ||||
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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:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.
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