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.