Impreza WRX F4-2.0L DOHC Turbo (2004)
NOTE: Install the rotor with the mark facing the rear case side.
8. Using 8-mm box wrench, tap the retaining ring into the shaft groove.
9. Install the O-ring to the rear cover.
10. Install the rear cover.
Tightening torque: 27.5 Nm (2.8 kgf-m, 20.3 ft. lbs.)
CAUTION: Loosely tighten the bolts in the sequence (A), (B), (C), and (D) shown in figure. Then, tighten in the same sequence.
11. When the reassembly procedures have been completed, turn the shaft by hand to ensure it turns smoothly. If it binds or other unusual
conditions are evident, disassemble again and check for foreign matter trapped on sliding surfaces and improper installation. Eliminate the
cause of trouble.
12. Check followings by referring to "CHECK" article.
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Excessive play in pulley shaft
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Ditch deflection of pulley
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Resistance to rotation of pulley
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Measurement of generated oil pressure
INSPECTION
BASIC INSPECTION