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#1
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No voltage from alternator....
So driving along today and my battery light came on, got back and threw a meter on it, no voltage from the alternator.
So is this an indication that the regulator is bad or the alternator? Would I be advised to rebuild the alternator when I replace the regulator for sanity's sake or just do the regulator and see?
__________________
1984 300D Turbo 169k "Twenty years from now you will be more disappointed by the things you didn't do than by the ones you did. So throw off the bowlines. Sail away from the safe harbor. Catch the trade winds in your sails. Explore. Dream. Discover." -----Mark Twain |
#2
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Most of the time it is just the regulator. I would just try it. Even if it is the alternator it doesn't hurt to have a spare regulator on hand.
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#3
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Agreed. The regulator is the usual culprit. It is much less expensive and easier to change.
__________________
"Buster" in the '95 Our all-Diesel family 1996 E300D (W210) . .338,000 miles Wife's car 2005 E320 CDI . . 113,000 miles My car Santa Rosa population 176,762 (2022) Total. . . . . . . . . . . . 627,762 "Oh lord won't you buy me a Mercedes Benz." -- Janis Joplin, October 1, 1970 |
#4
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Do the $15 regulator first.
Worst case, the alternator is bad and you have a spare regulator to keep with you. |
#5
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Okeedoke, prolly more likely to find the regulator in stock too!
__________________
1984 300D Turbo 169k "Twenty years from now you will be more disappointed by the things you didn't do than by the ones you did. So throw off the bowlines. Sail away from the safe harbor. Catch the trade winds in your sails. Explore. Dream. Discover." -----Mark Twain |
#6
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I can't believe no one stocks them, everyone wants to sell me a new alternator.
__________________
1984 300D Turbo 169k "Twenty years from now you will be more disappointed by the things you didn't do than by the ones you did. So throw off the bowlines. Sail away from the safe harbor. Catch the trade winds in your sails. Explore. Dream. Discover." -----Mark Twain |
#7
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SHENANIGANS! No one locally has it, I can get a brand new 65 amp alternator in stock for $105 with lifetime warranty from a local chain or I can order the regulator, 1 year warranty for $45 with shipping. Seems silly to buy the regulator.
__________________
1984 300D Turbo 169k "Twenty years from now you will be more disappointed by the things you didn't do than by the ones you did. So throw off the bowlines. Sail away from the safe harbor. Catch the trade winds in your sails. Explore. Dream. Discover." -----Mark Twain |
#8
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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! |
#9
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You could pull your regulator and inspect it for obvious problems before you decide which way to go... If the contacts are to the nubs then it would be worth a shot to do the regulator and not the whole Alternator. If its got plenty of legs on it, then you might go the other way. Not a 100% sure thing but... something to think about.
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1983 300D-Turbo - Deep Blue w Palomino MB Tex (total loss in fire 1/5/09 RIP) 1995 E320 W124 Polar White/Grey Mushroom MB Tex 2005 F150 Supercrew - Arizona Beige - Lear topper 1985 Piaggio Vespa T5 - Black and Chrome www.cphilip.com |
#10
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I would do the regulator first as well. I think I paid $15 for it at the MB dealer. I got two of them at that time.
If you have to replace the alternator, go for the AL129x 115 Amp one. It is a very easy upgrade and make a ton of difference! I do not see the reason to replace an understrength 65A alternator with more understrength garbage... You can look on ebay for one like I did, go to the bone yard and look at late 1980's Saabs, or probabaly the AutoZoo can get one for you.
__________________
"I have no convictions ... I blow with the wind, and the prevailing wind happens to be from Vichy" Current Monika '74 450 SL BrownHilda '79 280SL FoxyCleopatra '99 Chevy Suburban Scarlett 2014 Jeep Cherokee Krystal 2004 Volvo S60 Gone '74 Jeep CJ5 '97 Jeep ZJ Laredo Rudolf ‘86 300SDL Bruno '81 300SD Fritzi '84 BMW '92 Subaru '96 Impala SS '71 Buick GS conv '67 GTO conv '63 Corvair conv '57 Nomad |
#11
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lots of alts use that regulator- go to a junkyard and grab one, it will get you by until you get a 115 amp alt to put in. or just get a bigger alt now.
if you do go to Autozoo, etc, dont mention the fact that it is for a different car(mbz) just order one from a saab,(verify year, make model) then swap the pulleys and return the mbz unit for the core. my 2¢
__________________
1984 123.193 372,xxx miles, room for Seven. 1999 Dodge Durango Cummins 4BTAA 47RE 5k lb 4x4 getting 25+mpgs, room for Seven. |
#12
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Cool Idea!
__________________
"I have no convictions ... I blow with the wind, and the prevailing wind happens to be from Vichy" Current Monika '74 450 SL BrownHilda '79 280SL FoxyCleopatra '99 Chevy Suburban Scarlett 2014 Jeep Cherokee Krystal 2004 Volvo S60 Gone '74 Jeep CJ5 '97 Jeep ZJ Laredo Rudolf ‘86 300SDL Bruno '81 300SD Fritzi '84 BMW '92 Subaru '96 Impala SS '71 Buick GS conv '67 GTO conv '63 Corvair conv '57 Nomad |
#13
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Quote:
__________________
1984 300D Turbo 169k "Twenty years from now you will be more disappointed by the things you didn't do than by the ones you did. So throw off the bowlines. Sail away from the safe harbor. Catch the trade winds in your sails. Explore. Dream. Discover." -----Mark Twain |
#14
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the pulleys are different. you will need to swap them.
__________________
1984 123.193 372,xxx miles, room for Seven. 1999 Dodge Durango Cummins 4BTAA 47RE 5k lb 4x4 getting 25+mpgs, room for Seven. |
#15
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ok so this is a funny story, I go in and the guy pulls both alternators and says "oh we need to swap pulley's and reclock this alternator" I said yea they are a little different, that one's higher amp, but looks like the same case. He says yea might as well get the high output one. (yes i was honest) He didn't care, sounded like a core is a core. So anyhow, they swapped pulley's and reclocked it for me (locally owned parts store). It was a little more then the 65 amper, but screw it. I just got back, will install tomorrow if I wake up on time.
__________________
1984 300D Turbo 169k "Twenty years from now you will be more disappointed by the things you didn't do than by the ones you did. So throw off the bowlines. Sail away from the safe harbor. Catch the trade winds in your sails. Explore. Dream. Discover." -----Mark Twain |
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