Year, make, model, engine and a detailed description of which pulley locked up would help us help you.
A hole in the muffler would cause a knocking sound in your muffler. A loose exhaust pipe can also cause a knocking noise.
Power Steering?
you may have a rod knocking and you need to take it to a shop asap
can you elaborate? engine noise? stationary/moving? ticking, tapping or a definite knocking?
Typically, a knocking noise when to use your brakes in the car is caused by your brakes wearing down. This means you need to get them checked out and repaired.
A single knocking noise when braking or turning can be caused by a faulty axle. The cost of replacement is usually around 1,000 dollars.
Yes, the bearing in that pulley may be going bad.
Running too lean.
Normally caused by worn steering or suspension components.
Having a bad rod bearing could cause a truck to make a loud knocking noise and shake when driving at high speeds. The engine having a coolant leak or an engine timing problem could also cause the knocking noise.
I would check the suspension bushings, if one of them is worn it would cause a knocking noise.
You probably need your bearings repacked