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1. Loop the old accessory belt around the crank pulley.
2. Run both sides of the belt over an available accessory pulley.
3. Anchor the other end of the loop on a third pulley.
4. Rotate the crank pulley and take up the belt slack by letting the crank pulley end pinch the belt under itself.
<b5.
When the last of the slack is gone, the belt should immobilize the crank pulley completely, allowing you to apply gobs of bolt-loosening torque.
