The engine fan wheel uses left-hand threads.
- Disconnect the negative battery cable.
Using Special Tool 11-5-050 brace against the pulley and unfasten the cap nut from the water pump using Special Tool 11-5-040.
- Remove the fan wheel with the coupling from the water pump.
- Installation is the reverse order of removal. Tighten the fan mounting bolts to 30 ft. lbs. (40 Nm).