can i replace a timing blt
Raise the front of the vehicle and support it with jack stands. Remove the tire on the right (passenger) side. Remove the accessory belts, right hand engine mount, spark plugs and top timing belt cover. Turn the engine to top dead center with the timing marks aligned. If you look at the camshaft pulley you will see a circular cutout with a ‘v’ pointing upwards. This should be straight up and aligned with a dot on the top of the block. The crankshaft pulley keyway will point straight up and the notch in the pulley will be above the key and should align with a notch in the lower timing belt cover. All three marks must be aligned. Loosen the tensioner by loosening the bolt in the wheel and move it away from the belt. Tighten it just enough to keep it in that position. Remove the inner fender splash guard, tensioner bolt, crank pulley and the timing belt. Look at the new belt and make sure that the teeth look identical with the teeth on the old belt. Some have round teeth while others have squared off teeth. They must be the same. Install the timing belt starting on the non-tensioned side and work counter clockwise, keeping the belt tight on the non-tensioned side. Loosen the tensioner and allow it to put tension on the belt. Turn the crankshaft two turns. Check all of the timing marks to be sure they are still lined up. If the marks are still aligned, tighten the tensioner bolt to 20 foot pounds of torque. Install all components in the order you took them off. Torque the crankshaft pulley bolt to 95 foot pounds of torque.
What David is telling you is that unless you're mechanically inclined and understand engine timing - it may be worth paying a shop for the three hours of labor. Get it right and all's well. Get it wrong and it never will run right until you do get it right. It won't hurt anything to get it wrong - just take up a lot of your time. 3 hours in the shop vs. an entire weekend for a novice.
Don't forget to replace the water pump and double check the tensioner and idler for bearing noise, you don't want to go back in there after 50 miles due to a bearing failure or a water pump leaking.
Yes Yes! tennisshoes!
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