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Marc, Technician, Auto, Diesel
Category: Honda
Satisfied Customers: 1888
Experience:  32 years exp. Repairing Honda's and other Asian imports
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Submitted: 9 years ago.
Category: Honda
Expert:  Marc replied 9 years ago.

They are right hand threads but they are put on with loctite.

They even give mechanics with air tools a hard time somtimes.

There is a special tool that works on some Honda engines (below)


  • Remove the accessory drive belts.

  • If necessary, secure the crankshaft with a flywheel holding tool.

  • For some engines, a special pulley holder tool is available to secure the pulley while removing and installing the bolt (refer to the illustration).

    Click image to see an enlarged view
    Fig. 1: On some engines, a special holding tool is available to secure the pulley


    1. Remove the crankshaft pulley bolt.

    This bolt can be difficult to remove. Spray the bolt with penetrating oil and allow it to soak overnight.

    1. Carefully remove the pulley from the crankshaft. Do not pry it off.

    Click image to see an enlarged view
    Fig. 2: After the bolt is removed, the pulley can be removed from the crankshaft


    1. Remove the key from the crankshaft sprocket. Be sure not to lose it.

    2. If necessary, remove the tool holding the crankshaft.

    To install:

    1. Install the key on the crankshaft sprocket, then slide the pulley onto the crank.

    2. Apply clean engine oil to the threads of the crank pulley bolt, but not to the contact surfaces of the washer.

    3. Secure the crankshaft either with a flywheel holding tool, or if applicable, the pulley holder tool.

    4. Tighten the pulley bolt as follows:

      • 1984-89 Accord and 1984-87 Prelude-83 ft. lbs. (115 Nm)

      • 1988-90 carbureted Prelude-83 ft. lbs. (115 Nm)

      • 1988-91 fuel injected Prelude-108 ft. lbs. (150 Nm)

      • 1990 Accord-166 ft. lbs. (230 Nm)

      • 1991-93 Accord and 1992-93 Prelude-159 ft. lbs. (220 Nm)

      • 1994-95 Accord and Prelude-181 ft. lbs. (245 Nm)

    Click image to see an enlarged view
    Fig. 3: Always tighten the bolt with a torque wrench


    1. Install the accessory drive belts.