What size bolt is used to pull the harmonic balancer on a jeep 4.0?

To pull the harmonic balancer on a Jeep 4.0 engine, you typically use a 1-1/8 inch bolt. It's important to ensure the bolt is of sufficient length to fit through the harmonic balancer puller tool, allowing for proper extraction. Always refer to the specific service manual for your model year for any additional specifications.