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#1
02-13-2009, 06:25 PM
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Charging system woes
These two pics say it all: my alternator was kinda dead, and now awaits a new voltage regulator lest I put up with dimming lights and dead battery. I think the brushes were OEM, how long have you peoples here had Bosch voltage regulators/ alternators last? If these components are OEM, they lasted 310,000 miles, not to shabby! What other alternator components should be checked while the alternator is on the bench?
The commutator on the armature is fairly worn to, at least 1/16''-1-8'' reduction in diameter just looking at it. Should I turn the commutator down with the lathe and an indicated 4-jaw chuck and live center to an even surface? Or just throw the new voltage regulator in and run it? Or buy a new alternator?
__________________
Got cars and bike: 1984 300D, 310K 2000 kawi ex500 1998 grand marquis, 125K 
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#2
02-13-2009, 08:33 PM
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Try the brushes if bearings are still good.
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1999 w140, quit voting to old, and to old to fight, a god damned veteran, deutschland deutschland uber alles uber alles in der welt
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#3
02-13-2009, 09:03 PM
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If you search "alternator parts" online you will probably find a place that i ran across one time that sells the slip ring assy.If they would have one for your alt who knows but if you have time to waste on a search you might get lucky! Don
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Red Green "This is only temporary,Unless it works!"  97 E300D 157000 miles 87 300TD ?141k? miles
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#4
02-14-2009, 02:05 AM
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I Vote for...
Trying to find the "Slip Rings"
(While you're inside R+R the Bearings then you're virtually "All New") [AND I'm in agreement with your thoughts on the Bosch Mercedes OE components Longevity... I'm skulking around looking for "Rings" for a 143 Amp before I button it back up... already got the Regulator and Bearings]
__________________
'84 300SD sold 124.128
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#5
02-14-2009, 03:49 AM
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Quote:
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Linear Mode
