How to Rebuild a Ball and Trunnion Drive Shaft

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Ball and Trunnion style U-Joints are susceptible to having the boot tear and then compromising the integrity of joint when water and debris enter the joint. Mark Simpson demonstrates how to replace the boot without the need to replace the shaft pin.

Discussion
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4 Responses to “How to Rebuild a Ball and Trunnion Drive Shaft”
  1. joe mcginnis

    Sorry but this is not a rebuild. You must replace the pin if it is worn and you only have +- .005 to center it in the ball. Then you have the problem if the housing is worn there is going to be too much clearance to the new bearings and then you are back to square 1. I make a whole new shaft that uses modern cross joints and bolts right up. callent.beefalo@hotmail.com

    Reply
  2. Jim kenney

    Need to know how to replace the boot only and where to buy one. THank you

    Reply
    • Customer Service

      Hi Jim. The old boot can simply be cut off.

      Installing the new boot can be done as it was in the video.

      you may need to remove and replace the bearings – Just keep track of ALL of the needle bearings to replace them.

      a good source for the boots can be found at Mopar-Direct

      Here is a link to their eBay store: http://stores.ebay.com/VINTAGE-MOPAR-DIRECT

      Reply
    • Customer Service

      Hi, Jim. The old boot can simply be cut off. Installing the new boot can be done as it was in the video. You may need to remove and replace the bearings. Just keep track of ALL of the needle bearings to replace them. A good source for the boots can be found at Mopar-Direct. Here is a link to their eBay store: http://stores.ebay.com/VINTAGE-MOPAR-DIRECT

      Reply

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