subaru Workshop Repair Guides

Subaru Workshop Service and Repair Manuals

Mechanical Specifications|Page 927 > < Vehicle - Flat Towing Information
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Compression Check: Mechanical Specifications

Compression Inspection

Note: Do measurement after warming-up engine, ignition switch off. 

Standard ...............................................................................................................................................  981 - 1,177 kPa (10 - 12 kgf/cm2), 142 - 171 psi)
Limit .................................................................................................................................................................................  882 kPa (9.0 kgf/cm2, 121 psi)
Difference between cylinders .....................................................................................................................................  49 kPa (0.5 kgf/cm2, 7 psi), or less

Note: Crank engine rpm to 350 rpm at wide open throttle. Take at least two measurements per cylinder, and make sure that the values are correct.

Mechanical Specifications|Page 927 > < Vehicle - Flat Towing Information