WARNING  Batteries can emit explosive gases. To reduce the possibility of personal injury, always ventilate the compartment before servicing the batteries. To reduce the possibility of arcing, remove the negative (-) battery cable first and attach the negative (-) battery cable last.

• Disconnect the batteries. Refer to the OEM service manual.
• Remove the fan drive belt. Refer to Procedure 008-002 in Section 8.
• Remove the water pump belt. Refer to Procedure 008-003 in Section 8.

Remove the freon compressor drive belt, if equipped. Refer to the OEM service manual.

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 a standard puller, Part Number ST-647, to remove the pulley.

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

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

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

Install the dust seal by hand over the flange on the back of the pulley. Position 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 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 a pulley installation tool, Part Number 3376326, onto the accessory drive shaft.

Press the pulley onto the shaft until it fits against the shaft flange.

The dust seal will automatically position 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 freon compressor drive belt, if equipped. Refer to the OEM service manual.

WARNING  Batteries can emit explosive gases. To reduce the possibility of personal injury, always ventilate the compartment before servicing the batteries. To reduce the possibility of arcing, remove the negative (-) battery cable first and attach the negative (-) battery cable last.

• Install the fan drive belt. Refer to Procedure 008-002 in Section 8.
• Install the water pump belt. Refer to Procedure 008-003 in Section 8.
• Connect the batteries. Refer to the OEM service manual.
• Operate the engine and check for proper operation.