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Old 05-03-2018, 07:08 PM   #1
Timmy G
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Default B16 inner cv joints

Hi has anyone else had trouble with inner cv joints getting broken, by the tripod joint falling apart. I'm not sure if it was caused by excessive angle from hitting a large bump in the road, but the bearings on the joint fell apart and look to have hit the outer part of the cv.
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Old 05-03-2018, 08:06 PM   #2
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Have you got any pictures? Incorrect assembly can cause them to fail.
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Old 05-03-2018, 08:18 PM   #3
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Quote:
Originally Posted by keitht View Post
Have you got any pictures? Incorrect assembly can cause them to fail.
This - they are not quite square, so have to go in a specific way.
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Old 05-03-2018, 08:37 PM   #4
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Any more info on this?? Surely they can only go together one way. Tripods are pre assembled units.
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Old 05-03-2018, 08:40 PM   #5
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Don't have a picture to hand, but basically the metal retaining ring on each of the tripod bearings has a flat bent on it where it looks like the joint has necked out at some point.
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Old 05-03-2018, 09:11 PM   #6
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Oh, thought you meant the bearings had broken up. That's what I was referring to.
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Old 05-03-2018, 09:18 PM   #7
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I'll post a pic tomorrow to show the problem. Just interested to know if anyone else has seen this problem.
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Old 06-03-2018, 06:28 PM   #8
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Old 06-03-2018, 06:29 PM   #9
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Old 08-03-2018, 11:37 PM   #10
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Never seen that before. Dont know what angle your driveshaft is running, but any angle above or below horizontal with the car on its wheels will limit the amount of normal deflection inside the pot joint.
Judging by the scuff marks on the needle rollers it looks like some serious loading was going on to cause that result. There should be matching marks on the inner joint which will tell you whether the suspension was in compression or extension. From there you could try to duplicate the condition with the car jacked. That should give you an indication how to limit the suspension travel in that particular direction. Maybe its just a matter of a bigger bump or rebound stop !
One other point to consider is if the tripod is bottoming out on the pot joint on full suspension compression, that could be caused by having an overall axle length that is too long.
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Old 11-03-2018, 12:25 AM   #11
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With the front end jacked up Consider running the front end suspension with cones or springs and no shocks , and rotate by hand in every wheelchair way to see where it might be binding. At the limits of movement exists another load factor when you impact a bump or object.
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