GrimmSpeed Subaru Lightweight Crank Pulley - Manual (Page 8)

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20. Torque crank pulley belt to 94 ft. lbs.
21. Installation of A/C belt for pre-2008 models. 2008+ owners please skip to install step
23. Inspect old belt and replace if worn. Install belt onto crank pulley and A/C pulley.
Tighten the tensioning rod using a 12mm socket to the OEM spec.
22. Tighten the A/C idler tension lock nut using a 12mm wrench.