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How to Change a Crankshaft Pulley

The function of a crankshaft pulley is to drive the serpentine belt and to absorb the resonance from the crankshaft generated by the engine of a vehicle. The crankshaft pulley is a circular wheel connected to the crankshaft and is fixed to the engine by a bolt, which is located in the center of the pulley. Depending on the placement of the timing belt of the vehicle, you will find the pulley located either on the front of the engine or on the side.

Instructions

1

Put on the safety goggles before you begin.

2

Identify and locate the crankshaft pulley. Locate the small plastic roller that presses down on the drive belt at the bottom of the pulley.

3

Release the drive belt off the crankshaft pulley by attaching the locking pliers to the small metal arm (located at the top) of the pulley and pulling it. This will cause the small plastic roller on the tension pulley to lift, and will release the drive belt clear of the crankshaft pulley.

4

Unbolt the crankshaft pulley bolt located at the center of the pulley by fixing the crankshaft bolt removal tool over the crank pulley bolt.

5

Secure the socket end of the impact wrench to the bolt remover tool and set it to turn counter-clockwise.

6

Turn on the air compressor and wait for the compressor to charge up completely before working the bolt loose.

7

Remove the crankshaft pulley by fixing the arms of the crankshaft pulley removal tool securely over the pulley with the bolts that come with the tool.

8

Tighten the bolts on the tool until the crankshaft pulley is free of the crankshaft.

9

Clean the pulley hub of any corrosion or dry rust with a fine emery cloth before installing the new crankshaft pulley.

10

Install the new crankshaft pulley into the engine by fixing the bolt back in the center of the new pulley in the reverse direction of its removal.

11

Replace the drive belt in the reverse direction of its removal and release the locking pliers from the tension pulley before closing the hood of the vehicle.

Posted by Unknown at 1:30 AM

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