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#1
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So, my daughter calls me...
She says, "dad, the car is screeching loud, and the battery light is on"
I asked her the engine temp, and she said still on 80, so I said, park the car open the hood and check if the fan is turning... It wasnt, so I told her to get mom to pick her up and get some new continental belts from napa... I got there to check what was wrong, and the alternator is seized tight. Belt remains crispy... Pulled it off, and pulled the spare GM 6.5 alt from my suburban and I'm now looking for a place to get the pulleys swapped... Napa had the alternator harness on the shelf, so time to convert her to a 115amp gm alternator... Winter monday car repair... what fun....
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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! |
#2
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There goes my Christmas money! Hope no one is expecting presents from me. He was unbolting the old alternator and he said “why am I doing this? You do it! Be careful, don’t drop the nut.” Of course I dropped it. Just one week ago I drove up and down the mountain to Cullowhee and back. Thank goodness this happened close to home.
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#3
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Is this the 87 300TD we’ve both owned? If so I had previously replaced the alternator with one from a 90 or 91 300E from PAP. So I have replaced the harness from the stock one. Also since the original alt was still good I gave it to you with all the cache of parts in the back.
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The OM 642/722.9 powered family Still going strong 2014 ML350 Bluetec (wife's DD) 2013 E350 Bluetec (my DD) both my kids cars went to junkyard in 2023 2008 ML320 CDI (Older son’s DD) fatal transmission failure, water soaked/fried rear SAM, numerous other issues, just too far gone to save (165k miles) 2008 E320 Bluetec (Younger son's DD) injector failed open and diluted oil with diesel, spun main bearings (240k miles) 1998 E300DT sold to TimFreeh 1987 300TD sold to vstech |
#4
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Is it snowing in NC like it is in SC ? .
I remember my farm fun in New Hampshire in the 1960's fixing clapped out beaters in the snow..... You have my sympathy . Obviously you taught your daughter well, she called instead of driving it to junk trying to make it home .
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-Nate 1982 240D 408,XXX miles Ignorance is the mother of suspicion and fear is the father I did then what I knew how to do ~ now that I know better I do better |
#5
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Quote:
We tried using the GM alternator, but I have the internal fan version, and the pulley doesnt clear the housing... so... we drove to my shop and took one of another SD... It was VERY late at this point, so we turned in. Install to begin shortly...
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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! |
#6
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Quote:
It snowed Sunday, but dried up yesterday.
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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! |
#7
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I was only a mile from home when the belts (and the alternator) blew but I needed to stop at the gas station anyway. Dad just installed an alternator he had from a parts car. He didn’t tighten the last bolt on the power steering pump because it couldn’t be reached with the tools he had on hand. I think it will get me to work and back.
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#8
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Typical that it happens right now in the middle of winter.
That's why I moved to southern california. No winter means no parts failing when the weather is crappy
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-Typos courtesy of my mobile phone. |
#9
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Good kid ! .
I hope my grand daughter (5) and grand son (1 month) grow uo to have good common sense like you did . -Nate Quote:
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-Nate 1982 240D 408,XXX miles Ignorance is the mother of suspicion and fear is the father I did then what I knew how to do ~ now that I know better I do better |
#10
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you got lucky. Alternator seized on daughters '87 300D. Ripped the power steering pump off its mounts. Turns out that is a rare pump. Only used on that year and model. Bunch of money later, she was back on the road. Glad to hear it all worked out for you two.
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#11
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? Wouldn't an alternator with bad enough bearings to seize make a loud racket long before it seized up solid ? .
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-Nate 1982 240D 408,XXX miles Ignorance is the mother of suspicion and fear is the father I did then what I knew how to do ~ now that I know better I do better |
#12
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She is taking her old alt to a rebuild to see if repairable.
They can tell us what failed. I dont think the bearings seized, I think the coil separated, there isnt any heat stress on anything...
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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! |
#13
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When my alternator blew up, it was simply a pulley that worked loose, jammed and shredded the belt.
I could have tightened the pulley and moved on, but I decided to swap in a newer Mercedes 90 amp alternator with a clutched pulley from INA. No problems since
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RenaissanceMan Labs: where the future is being made today. Garage: 2017 Chevy Colorado Diesel (nanny state emissions) 2005 Volvo S40 T5 AWD, 77k 1987 Mercedes-Benz 300D turbodiesel, 4 sp auto, 156k - 28.7 mpg 1996 Tracker 4x4, 2 door, 16v, 3 sp auto. 113k - 28.6 mpg WARNING: this post may contain dangerous free thinking. |
#14
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Say WHAT ?
A clutched pulley on an alternator ?! .
Why ? .
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-Nate 1982 240D 408,XXX miles Ignorance is the mother of suspicion and fear is the father I did then what I knew how to do ~ now that I know better I do better |
#15
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On serpentine belt systems, a clutched pulley smooths the pulses from the alternator mass.
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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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