| Re: [GMCnet] Upper ball Joint replacement. [message #242871 is a reply to message #242443] |
Sun, 09 March 2014 10:14   |
JohnL455
Messages: 4447
Registered: October 2006
Location: Woodstock, IL
Karma:
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Bob just inspect the control arm surface to be flat and free of burrs. Dave Lenzi says to do a dry fit first to be sure previous hammer mechanics have not mared the mating surface and the joint does not rock back and forth. This is more important on the lower load bearing joint but always good practice to prevent stress cracking. Also be sure to tighten the big nut with hand tools. Some guys put an impact on there before the stud taper takes grip and that can spin the joint at high speed. This is more the case on the new car low friction Kevlar units (ruins them) but just good practice. Common knowledge is that the uppers on GM full frame vehicles Usually outlast the lowers by at least 2 to 1, but if they were not greased all bets are off.
John Lebetski
Woodstock, IL
77 Eleganza II
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