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Home >> Subaru >> 2004 >> Impreza WRX STI F4-2.5L DOHC Turbo >> Repair and Diagnosis >> Specifications >> Mechanical Specifications >> Engine >> Timing Components >> System Specifications
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System Specifications

Belt tension adjuster
Protrusion of adjuster rod 5.2 - 6.2 mm (0.205 - 0.244 inch)
Belt tensioner
Spacer O.D. 17.955 - 17.975 mm (0.7069 - 0.7077 inch)
Tensioner bush I.D. 18.0 - 18.08 mm (0.7087 - 0.7118 inch)
Clearance between spacer and bush
STD 0.025 - 0.125 mm (0.0010 - 0.0049 inch)
Limit 0.175 mm (0.0069 inch)
Side clearance of spacer
STD 0.2 - 0.55 mm (0.0079 - 0.0217 inch)
Limit 0.81 mm (0.0319 inch)
Crankshaft Pulley bolts 180 Nm (18.3 kgf-cm, 132.7 ft. lbs.)
Belt cover No.2 (LH) 5 Nm (0.5 kgf-cm, 3.6 ft. lbs.)
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