N14 Base Engine Troubleshooting and Repair Manual – 009-004   Accessory Drive Pulley

Remove the fan drive and the water pump belts. Refer to Procedures

008-002-002 and

008-003-002, respectively.

Remove the freon compressor drive belt, if equipped. Refer to the manufacturer’s instructions.

Remove the pulley retaining nut.

CAUTION  The gear cover will be damaged if the puller capscrews extend beyond the rear face of the accessory drive pulley.

Use standard puller, Part No. ST-647, to remove the pulley.

Remove the dust excluder seal from the back of the pulley. Inspect the dust excluder for damage or wear. Replace if necessary.

Clean the mating face and pulley bore. Inspect each area for damage.

Visually inspect the pulley for cracks, wear in the belt grooves, or other damage.

Install the dust excluder seal by hand over the flange on the back of the pulley. Locate the seal so that it is flush with the hub of the pulley.

NOTE: Make sure the pipe plug behind the pulley is installed and tightened before pulley installation.

Apply a film of Lubriplate® 105 or its equivalent to the accessory drive shaft.

Align the keyway in the pulley with the dowel pin in the shaft.

Use your hand to partially push the pulley onto the shaft.

Install pulley installation tool, Part No. 3376326, onto the accessory drive shaft; and press the pulley onto the shaft until it fits against the shaft flange.

The dust excluder seal will automatically locate itself into the correct position.

Install the washer and the flanged retaining nut onto the accessory drive shaft. Keep the crankshaft from rotating and tighten the nut.

Install the water pump and fan drive belts. Refer to Procedures

008-003-026 and

008-002-026, respectively.

Install the freon compressor drive belt, if equipped. Refer to the manufacturer’s instructions.