1992 Plymouth Voyager CV Joints Fail

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DGRAY1043
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Plymouth Voyager 1992 215,000 miles.
in 3 months this vehicle has eaten up 5 CV joints, all the driver side. twice when test driving immediately after replacement with new axle assembly. The auto repair shop is stumped as to the cause. I believe it also has bad struts since it bottoms out on even small bumps at high speeds >45 mph. Ball joints and tie rod ends are tight and engine/trans mounts were just replaced after the first 2 cv joints failed. It is not being used under extreme road conditions and has broken each time while in a turn at <5 mph. Last week the CV joint/axle sheared off 2 inches past the spline end while taking off from an intersection, It was replaced again and failed the same day on level asphalt in front of the repair shop with the mechanic at the wheel, just taking off with wheels turned to the left. Replaced the axle last week with a brand new one (I went and got it myself to make sure they weren't using recycled parts) It was installed and ran wonderfull for 8 miles and the CV blew apart again just as I got to my driveway. It is still setting in the street waiting to be towed... next axle assembly will be #6 since late September. :x Until this all started it had been a very dependable vehicle.
Dec 17, 2006 at 11:51 AM
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SERVICE WRITER
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These are fussy animals. There is a particular procedure for keeping these intact involveing meauring specs. Part of the problem involves weak or misaligned motor mounts causing the shaft to be overextended.
I realize that you replaced the mounts already, but again it probably comes back to alignment of the mounts. Tell the shop to go to www.IATN.com for specifics.
Dec 25, 2006 at 3:12 AM

Suggested Repair

Verify engine and transmission mount alignment and follow the specified measuring procedure so the left axle is not overextended. Misaligned mounts can stretch the shaft and destroy CV joints even after the mounts have been replaced.

Conversation Summary

A 1992 Plymouth Voyager owner reports five left-side CV axle failures in three months, including new assemblies that failed immediately during low-speed turns. Ball joints and tie rods are tight, and engine and transmission mounts were recently replaced; the van also bottoms out, suggesting worn struts. The expert says these axles require a specific measuring procedure and that weak or misaligned motor mounts can overextend the shaft, so mount alignment should be checked.

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