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Old 10-12-2002, 10:16 PM
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dpetryk dpetryk is offline
Electrons can do anything
Join Date: Sep 2001
Location: Houston, Texas
Posts: 1,071
The bearings in an alternator are the sealed type. Lubed for life. These bearings would run forever if the lubricant would not dry up. However, if you are handy you can inject some longevity into them. Using a hypodermic needle and syringe you can inject some grease into them by slipping the needle under the sealing lip on the bearings and forcing the grease in. Not easy but doable. I use a molly based wheel bearing grease. Its a lot of work since the alternator must be completely disassembled to get access to the bearings. I have done it hundreds of times.
I got too many cars!! Insurance eats me alive. Dave

78 Corvette Stingray - 3k
82 242 Turbo Volvo - Manual - 270k
86 300e 5 speed manual - 210k
87 420sel - 240k
89 560sl - 78k
91 420sel - 205k
91 560sel - 85k
94 GMC Suburban - 90k
97 Harley Davidson Heritage Softail - 25k
00 GMC Silverado 1 ton 30k
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