Asked by: Eddin Torrome
asked in category: General Last Updated: 22nd January, 2020

What is a crank bolt?

Crank bolts, as the name suggests, are used to secure the crank to the axle (spindle) of the bottom bracket(BB). While they are another of those parts that may go largely unnoticed by most riders – sometimes they are even covered by a dust cap – they may become loose and worn over time and require replacement.

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Beside this, how do you remove a crank pulley without a puller?

There is a way to do it. You put a wrench on the pulley bolt and block the other end against the floor or the frame. Then you use the starter motor to turn the engine (DO NOT START IT, JUST TURN IT) for at most one or two revolutions of the crank. Just enough to break the bolt loose.

Also Know, can you replace a crankshaft without removing the engine? Although crankshafts are traditionally removed after the engine has been pulled from the engine bay, it is possible to remove the crankshaft without pulling the engine.

Furthermore, is the crankshaft pulley supposed to turn?

The camshaft and crankshaft pulleys are directly attached to the engine (camshaft and crankshaft) and will only rotate if the engine is running or manually rotating the engine by placing a socket and breaker bar to the crankshaft pulley bolt.

Is a crankshaft pulley bolt reverse thread?

The 'crankshaft pulley bolt' is regular threads, it's just tight as hell and takes a special tool to hold the pulley so bolt can be removed.!

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