Preface:
With so many driveshaft questions that have popped up on this WJ forum, I felt the notion to create this FAQ page so that as much information is consolidated into one place. My goal of this is to help others and provide as much unambiguity about driveshaft conversions and servicing as possible.
This document may be edited at any time to update information
Thank you to the following who were kind enough to share their knowledge, information and tips to help me create this page:
@ChrisHager
@skain8
Table of Contents :
Section 1 - Determining What Driveshaft is Currently Installed
Section 2 - Parts Needed for Conversions
2.1) Rzeppa/Rzeppa -> Double Cardan
2.2) Rzeppa/Fixed Yoke -> Double Cardan
2.2) Rzeppa/Fixed Yoke -> Double Cardan
Section 3 - Double Cardan Driveshaft Swap Options
3.1) Manufacturers
3.2) WJ and Non-WJ Jeeps Driveshaft Information
3.2) WJ and Non-WJ Jeeps Driveshaft Information
Section 4 - Double Cardan Swap Write-Ups
4.1) Chris Hager's Rzeppa/Fixed Yoke -> Double Cardan Conversion
4.2) JGC99's Rzeppa/Rzeppa -> Double Cardan Conversion (Specific information on the front D30)
4.2) JGC99's Rzeppa/Rzeppa -> Double Cardan Conversion (Specific information on the front D30)
Section 5 - Servicing Rzeppa Joints and U-Joints
5.1) YouTube video on replacing Rzeppa Joints and UJoints
5.2) YouTube video on installing the Rzeppa and Double Cardan Driveshafts
5.2) YouTube video on installing the Rzeppa and Double Cardan Driveshafts