What to do about a loose crankshaft pulley?
What to do about a loose crankshaft pulley?
Inspect the crankshaft pulley for rubber protruding from the pulley ( Figure 1 ), loose pulse wheel, or bent tabs on pulse wheel touching engine front cover. Replace crankshaft pulley with service kit for respective vehicle line. Parts Remanufacturers Association (APRA).
Which is the most stubborn crankshaft pulley bolt?
Crankshaft pulley bolt is the most stubborn, highly torqued and perhaps the most challenging bolt to remove in a car.
How to repair a crankshaft pulley on a Duratec?
4) Adaptor 205-072-02, see illustration. Inspect the crankshaft pulley for rubber protruding from the pulley ( Figure 1 ), loose pulse wheel, or bent tabs on pulse wheel touching engine front cover. Replace crankshaft pulley with service kit for respective vehicle line.
Why are the valves not keyed to the crankshaft?
The crankshaft pulley bolt also retains the crankshaft cam drive sprocket which is NOT keyed to the crankshaft, so valve timing mayshift if the crankshaft pulley bolt is loosened. If this occurs, the pistons may contact and damage the valves.
Crankshaft pulley bolt is the most stubborn, highly torqued and perhaps the most challenging bolt to remove in a car.
Do you need to loosen the pulley bolt on a crankshaft?
Before any repair requiring loosening or removal of the crankshaft pulley bolt, the crankshaft and camshafts must be locked in place by the special service tools, otherwise severe engine damage can occur. CAUTION: During engine repair procedures, cleanliness is extremely important.
Why is the chrankshaft pulley not on the keyway?
If the sprocket is not keyed, removing the harmonic balancer could have thrown off the timing. The pulley and chrankshaft timing gear are not on a keyway, they are held in place by the crankshaft retaining bolt. Make sure the engine is at TDC before the pulley is removed…..
How is the crankshaft sprocket and pulley aligned?
For that reason, the crankshaft sprocket and the pulley are fitted together by friction, using diamond washers between the flange faces on each part. For that reason, the crankshaft sprocket is also unfastened if you loosen the pulley bolt.
