To have access to the auxiliary drivebelt the following actions should be performed, in case work to be done on the auxiliary drivebelt is not large, then the drivebelt should be removed; if, in turn, work is to be done on the crankshaft pulley, the aux. drivebelt should be disconnected somehow, for example, wound around and fixed firmly in place. It is recommended that if they are other tasks involved; which require the pulley to be off, should get the engine at TDC before proceeding to loosen the crankshaft pulley bolt. During the removal of the bolt of the pulley, the crankshaft must be locked or fixed in such a way that it cannot rotate; in this case, two holes in the face part of the pulley are used with a holding tool that is in the form of a forked piece made from metal strips. , This is done if the engine/transaxle is still in the vehicle Simply engage high gear and have someone step on the brake. If you merely hoist it out but do not unbolt it, prevent starter motor removal and lock the flywheel ring gear by jamming with a screwdriver into the bell housing. If the engine/transaxle has been removed completely, then use the method of flywheel removal is to be followed. This should not be used at any one time to lock the crankshaft as the timing pin is not strong enough to withstand the pressure and most probably will shear off. When you unscrew the pulley bolt, you have to take off the pulley and be keen on the way it is placed. For installation, though a pulley bolt is not necessarily needed to be replaced, however, in view of its resistance requirement to a high torque, it is recommended that the pulley bolt be replaced. The process of installation is the reverse of the removal; make certain the GL key way of the pulley fits to the locating key of the crank shaft; tighten the pulley bolt to rotation torque and lock the crank shaft in the same fashion when loosening it.