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#1
12-24-2012, 09:37 AM
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240D alternator in a 190D?
Does anybody know if I can put the alternator from a '78 240D into an '84 190D?
I know I'd have to swap pulleys but it otherwise appears like it'd work. I'd like to try it just for testing, I know the 240D had a lower output alternator. I *think* the alt in my 190D is dead but I'd like to be able to swap to be sure. I could just pull the 190D alt to get tested but with the holidays here, you know how it is.
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Sadly Benz-less 
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#2
12-24-2012, 09:39 AM
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I am no expert on electrical but guess it would not hurt anything.
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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
12-24-2012, 10:03 AM
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should bolt right up, but the wiring may be different. if the 190 has spades, then go for it.
shame to put in a 55A where a 70 goes though...
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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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#4
12-24-2012, 10:22 AM
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Quote:
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Sadly Benz-less
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#5
12-24-2012, 03:15 PM
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Quote:
The 240D alternator output is on the edge at idle though. If I have the heater blower on high with the head lights on in the line at the drive trough, I will see the volt gauge start to drop, (I added a volt gauge). If I bring the engine speed up a bit the voltage comes back to 14V though. I have the idle set at about 1000 RPM. The only issue I had was a loose connector in the 190e plug, but after squeezing the connector tabs, it fit tight and no problems since.
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#6
12-25-2012, 08:20 PM
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It turns out that although the wiring fits the alternator physically will not, the bolts don't line up. Having the wiring work out was enough to tell me I need an alternator though so the job was a success!
__________________
Sadly Benz-less
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#7
12-25-2012, 08:52 PM
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Quote:
__________________
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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