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.
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HOMESERVICE MANUALSSUBARU1998LEGACY BRIGHTON WAGON AWD F4-2.2L SOHCREPAIR AND DIAGNOSISENGINE, COOLING AND EXHAUSTENGINECYLINDER BLOCK ASSEMBLYSPECIFICATIONSSERVICE SPECIFICATIONS
1998 Subaru Legacy Brighton Wagon AWD F4-2.2L SOHC
Service Specifications
1998 Subaru Legacy Brighton Wagon AWD F4-2.2L SOHCSECTION Service Specifications
Bore x Stroke 96.9 x 75.0 mm (3.815 x 2.953 inch)
Piston Displacement 2,212 cm3 (135.0 cubic inch)
Compression Ratio 9.7
Surface Warpage Limit:
Mating With Cylinder Head 0.05 mm (0.0020 inch)
Surface Grinding Limit 0.1 mm (0.004 inch)
Cylinder Bore:
Standard:
A 96.905 - 96.915 mm (3.8151 - 3.8155 inch)
B 96.895 - 96.905 mm (3.8148 - 3.8151 inch)
Taper:
Standard 0.015 mm (0.0006 inch)
Limit 0.050 mm (0.0020 inch)
Out-Of-Roundness:
Standard 0.010 mm (0.0004 inch)
Limit 0.050 mm (0.0020 inch)
Piston Clearance:
Standard 0.010 - 0.030 mm (0.0004 - 0.0012 inch)
Limit 0.050 mm (0.0020 inch)
Enlarging (Boring) Limit 0.5 mm (0.020 inch)
Piston Displacement 2,212 cm3 (135.0 cubic inch)
Compression Ratio 9.7
Surface Warpage Limit:
Mating With Cylinder Head 0.05 mm (0.0020 inch)
Surface Grinding Limit 0.1 mm (0.004 inch)
Cylinder Bore:
Standard:
A 96.905 - 96.915 mm (3.8151 - 3.8155 inch)
B 96.895 - 96.905 mm (3.8148 - 3.8151 inch)
Taper:
Standard 0.015 mm (0.0006 inch)
Limit 0.050 mm (0.0020 inch)
Out-Of-Roundness:
Standard 0.010 mm (0.0004 inch)
Limit 0.050 mm (0.0020 inch)
Piston Clearance:
Standard 0.010 - 0.030 mm (0.0004 - 0.0012 inch)
Limit 0.050 mm (0.0020 inch)
Enlarging (Boring) Limit 0.5 mm (0.020 inch)
RENDER: 1.0x
NO RELATED
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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.