I have a friend that has a 99 Mercury Sable with the 3.0L V6. The crankshaft pulley will not turn with the crankshaft. When the car is running I can see the shaft turning inside the pulley. How and what tools do I need to fix this?
Those engines are known for that and so are the 3.8's. Not common but it does happen
in those more than the other engines. You do not need to replace the pulley if not
damaged. The rubber vulconizing separates from the two pieces of the damper. DO NOT
replace it with one from the wreckers. You will probably have the same problem in the
future. Buy a new one. If the key and bolt are not damaged use them again. You will see the large flat washer behind the bolt on the crank. It will be concaved. Turn it around when you put it back so the bulge faces you. As you tighten the bolt the washer will flatten out making for a tighter fit.
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