You will have to remove the crankshaft pulley if you have to replace the timing belt or front main seal on your Mitsubishi Eclipse. One bolt fastens the crank pulley, but you need to remove other parts before removing the crank pulley.
Raise the Mitsubishi Eclipse and place the car on jack stands.
Remove the wheel on the side of the engine where the crank pulley is located.
Remove the plastic shrouding that protects the pulleys and belts from road debris with a screwdriver.
Loosen the accessory belts so that you can remove them from the crank pulley. To do this, loosen the lock bolt on each belt with a ratchet or wrench and then loosen the adjuster with a ratchet or wrench. Keep loosening the belts until there you have enough slack to be able to remove them from the crank pulley.
Loosen the crank pulley bolt with an impact gun and remove the bolt.
Remove the crank pulley.
If the crank pulley won't come off after removing the bolt, use two pry bars to pry on the backside of the pulley. Position both pry bars at 180-degree angles from each other and begin prying with a moderate amount of force until the pulley comes off. Do not let the pulley fall on the ground as that could cause damage to it.
Wear eye protection to prevent eye injury.