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Kent
| | Posted on Thursday, June 13, 2002 - 12:45 pm: | 
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Just picked up a new spare right front axle and CV. Ran it through the parts washer and was inspecting it. Where the inner axle attaches to the star inside the CV their is movement. Is this normal or do I need to send this back? It's for a 97 Disco I. |
Paul T. Schram (Paulschram)
| | Posted on Thursday, June 13, 2002 - 04:47 pm: |
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The fit between the star and the half-shaft should be pretty intimate. I would suggest driving the CV joint from the axle to inspect the axle. As awful as it sounds, the CV joint is driven off using a soft-faced hammer. Once you get it off, you can see if the splines show any obvious wear. To reassemble, you really should have a new circlip.
Once you get the axle out of the CV, you can disassemble the CV joint itself, but again, you will probably only be able to see gross damage. When you get it apart, don't be alarmed by the coloration inside the stub axle cavity. The coloration is an artifact from the heat treating. You will however be able to see if there was any damage done to the balls or the cage. When they are run dry, the balls will seize to the cage and you'll see if the balls have any gouges in them. Also, look for chips in the star around the edges, another indication of insufficient lubrication.
Paul |
Kent
| | Posted on Friday, June 14, 2002 - 01:21 pm: |
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Paul,
Thanks for the help.
Kent |
Kyle
| | Posted on Friday, June 14, 2002 - 01:26 pm: |
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On a stock production joint with a stock Axle inserted I dont think having some play is really going to out of the ordinary. Are these stockers we are talking about ?
Kyle |
Paul T. Schram (Paulschram)
| | Posted on Friday, June 14, 2002 - 01:58 pm: |
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Presumably they are stockers. I assumed from the first post that there was quite a bit of slop. At least I didn't suggest the dial indicator again:-).
But, you are right, I was more than a little surprised at just how EASY it was to drive them off and back on again.
Then again, if he has just bought a used CV joint, wouldn't it bear inspection? Personally, I am skeptical of some of the used Rover parts I see come up for sale as I know that parts get pulled form my dumpster and sold on eBay, in spite of my protestations. When I did my shocks, I cut the studs with a torch to prevent this. The individual who dumpster dives next to the raccoons, left the shocks in front of the shop overhead doors for me!
I know for a fact that a junk CV joint was dug out of my dumpster and sold on eBay, but it did not have an axle attached. the worst part of the CV joint that was sold was that it was the one that survived when they were run dry! If the other one exploded, how much life does the remaining one have? Not much.
Paul |
Kyle
| | Posted on Friday, June 14, 2002 - 02:03 pm: |
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Axle or star Wear really isnt the cause of failure in them (Atleast the failures I have seen). The Axle does get stripped but only after the star cracks and the axle spline is no longer captured. Checking the balls and all that jazz is definately a good thing to do. Also check that star closely for cracks or signs of cracks beginning...
Kyle |
John
| | Posted on Friday, June 14, 2002 - 03:04 pm: |
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Hold the CV/stub axle in one hand, and with the star in its straight position put you finger in the splined hole and push/pull the star back and forth. A new CV has about .005" endplay(clearance for oil around the balls). When you make a turn and you can hear the balls in the CV rattling you have about .030" endplay at that point and its ready to go most anytime. Check for excessive end play Kent. |
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