Jeep CJ 1945-1970 Repair Information

Crankshaft Pulley (Vibration Damper)

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REMOVAL & INSTALLATION



See Figure 1



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Fig. Fig. 1: A puller, such as J-21791, is necessary to remove the crankshaft damper

  1. Remove the fan shroud, as required. If necessary, drain the cooling system and remove the radiator. Remove drive belts from pulley.
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CAUTION
When draining coolant, keep in mind that cats and dogs are attracted by ethylene glycol antifreeze, and are quite likely to drink any that is left in an uncovered container or in puddles on the ground. This will prove fatal in sufficient quantity. Always drain the coolant into a sealable container. Coolant should be reused unless it is contaminated or several years old.

  1. On those engines with a separate pulley,remove the retaining bolts and separate the pulley from the vibration damper.
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  3. Remove the vibration damper/pulley retaining bolt from the crankshaft end.
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  5. Using a puller, remove the damper/pulley from the crankshaft.
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  7. Upon installation, align the key slot of the pulley hub to the crankshaft key. Complete the assembly in the reverse order of removal. Tighten the retaining bolts to specifications.
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