GrimmSpeed Subaru Lightweight Crank Pulley - Manual (Page 4)

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8. Loosen the tensioning rod with a 12mm socket and remove the belt.
9. Removal of A/C belt for 2008+ models. Pre-2008 owners please skip to install step 14.
Because your car does not have a belt tension idler for the A/C compressor, you will need to
rotate the engine and feed the belt off of the A/C compressor pulley. Set the parking brake
on your car and place the car in neutral. Using a 22mm socket and 1/2" drive ratchet rotate
the engine in a clockwise direction.
10. While you are rotating the engine by hand, pull on the belt with light tension 2-3" before
it contacts the A/C compressor pulley. You will need to rotate the engine 1-2 full revolutions
before the belt is fed off.