This article addresses the different brands available as well as how to install and weld it properly: http://www.gowesty.com/library_article.php?id=1144
> > > I wonder how many upper control arm bushings are being damaged during spot >> welding? >> >> I've replace the bushings twice and each time I've asked a very highly >> recommended classic VW shop to do the minimum spot welding as to minimize >> the amount of heat the rubber and teflon (or whatever) components would be >> subjected to. Each time there were several fairly large spot welds, in my >> opinion, and what appeared to be significant damage to the bushings. Each >> time there wasn't much I could do so I installed the bushings, making sure >> the appropriate shims were in place so excessive pressure was not created >> by >> the large mounting bolt. Each time they were squeaking and clunking after >> ~5K miles. >> >> Do others think the bushings are being destroyed by excessive welding >> heat? >> >> If anyone has had a good experience with control arm bushing replacement, >> please let us know and indicate how large the welding spots were. Were >> special precautions made to reduce the amount and duration of heat in the >> welding process? Any other suggestions? >> >> What brand of bushings have people had good experiences with? >> >> Thanks all, >> >> Ed >> > |
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