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#1
12-17-2007, 08:18 AM
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Alternator problem
I was driving to work this morning and my charge light is burning. Does this mean that the alternator is not putting out. I am 60 miles from home. Any suggestions? Thanks Jack
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#2
12-17-2007, 09:23 AM
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yep prolly.
I don't see what car you have but most of the 123 and 124 cars have a brush regulator combo that is really easy to change and is pretty available too from common parts stores. It fits onto the backside of the alternator and can be changed in ten minutes with a screwdriver. BTW that is usually what fails first. Check your belt and connections first though. tom W
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[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins & six speed; I have had about 35 benzes. I have a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual.  [SIGPIC]..I also have a 427 Cobra replica with an aluminum chassis.
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#3
12-17-2007, 09:28 AM
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If there's enough battery power to get the engine started, you should be able to get home without a problem unless your require electricity for headlights, blower etc.
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1977 300d 70k--sold 08 1985 300TD 185k+ 1984 307d 126k--sold 8/03 1985 409d 65k--sold 06 1984 300SD 315k--daughter's car 1979 300SD 122k--sold 2/11 1999 Fuso FG Expedition Camper 1993 GMC Sierra 6.5 TD 4x4 1982 Bluebird Wanderlodge CAT 3208--Sold 2/13
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#4
12-17-2007, 11:06 AM
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Yeah, the older MB Diesels don't require power to run, but the heat blower, and the headlights do...
stop at a McParts store and have them test your alt, and check the tension on your belts. don't let them sell you a "rebuilt" alternator though. they fail regularly so have them charge up your battery for you and make for the dealer/ or go home and order a factory one. see if you can get a regulator at the store, and change it if it's bad. you can also upgrade to the 85 or 115Amp alternators out of the old saab. all this is assuming you are asking about a 617/616 powered 77-85 MB...
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John HAUL AWAY, OR CRUSHED CARS!!! HELP ME keep the cars out of the crusher! A/C Thread "as I ride with my a/c on... I have fond memories of sweaty oily saturdays and spewing R12 into the air. THANKS for all you do! My drivers: 1987 190D 2.5Turbo 1987 190D 2.5Turbo 1987 190D 2.5-5SPEED!!!  1987 300TD 1987 300TD 1994GMC 2500 6.5Turbo truck... I had to put the ladder somewhere!
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#5
12-17-2007, 11:13 AM
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FWIW, the last time I replaced my alternator, I put in a Denso instead of a Bosch at the recommendation on an indy shop (I happened to be in TX at the moment):
http://catalog.worldpac.com/mercedesshop/sophio/wizard.jsp?partner=mercedesshop&clientid=catalog.mercedesshop&baseurl=http://catalog.peachparts.com/&cookieid=1CQ0J3JZ42940NY8HS&year=1982&make=MB&model=300-DT-001&category=All&part=Alternator It's only been about 1.5 years, but so far it's doing well.
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#6
12-17-2007, 05:34 PM
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Replace your voltage regulator first. I had the same symptoms, this was the cure.
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83 SD 84 CD
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#7
12-17-2007, 05:49 PM
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I have been running a 65A Bosch that I got from Murray's auto parts for $121 since June, runs great. It even had new-bearing whirr for a couple months. Thats gone now though.
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-diesel is not just a fuel, its a way of life-  '15 GLK250 Bluetec 118k - mine - (OC-123,800) '17 Metris(VITO!) - 37k - wifes (OC-41k) '09 Sprinter 3500 Winnebago View - 62k (OC - 67k) '13 ML350 Bluetec - 95k - dad's (OC-98k) '01 SL500 - 103k(km) - dad's (OC-110,000km) '16 E400 4matic Sedan - 148k - Brothers (OC-155k)
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