Toyota Tacoma Problem Report

Toyota Tacoma Crankshaft Pulley Bolt May Come Loose

(8 reports)

Some engines have had the problem of the crankshaft pulley bolt coming loose. This will make a rattling noise as the engine idles. Our technicians tell us that the pulley bolt should have a thread locker applied and then retorqued.

engine making thumping noises then finally a hose fell off -
Pulley fell off completely, bolt and washer are gone. It looks like the pin broke.We haven't fixed it yet. -
Bottom pulley fell off, very cold, approx 5 degrees F., about a mile after leaving home with it. -
Loss of charging and oil pressure, Both lights came on. -
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