How do new alternators measure up? - Page 2 - Steve Saunders Goldwing Forums

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post #11 of 17 (permalink) Old 05-25-2019, 07:36 AM
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yeah
I think the RPMs were a factor in the alternator giving up the ghost.
also, the Suburban has Rear Air and we keep it on COLD and high fan for the dogs...

~ John


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post #12 of 17 (permalink) Old 05-25-2019, 08:17 AM Thread Starter
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Not sure what Surbuban fuel mileage has to do with it, but thanks for the info.

Yeah, we should have one of the mods spank him for being off topic ;-)
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post #13 of 17 (permalink) Old 05-25-2019, 08:36 AM Thread Starter
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The alternator on a GL1500 or 1800 is pretty well enclosed and subject to more heat than on a car that has some air flow in the engine compartment.
Just my theory.

You are a genius Dave! I didn't think of the heat issue. When you add it to the equation, it makes a lot of sense. The high out put alternators are notorious for the high heat they put out. When you figure in the low quality of materials that go into the manufacturing, the components just can't take the heat, nor do they produce the heat that stock alternators do. This would have to be the reason that alternators that are built to OEM specs last longer. Now I need you to invent cooling vents for my side covers.
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post #14 of 17 (permalink) Old 05-25-2019, 09:14 AM
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You are a genius Dave! I didn't think of the heat issue. When you add it to the equation, it makes a lot of sense. The high out put alternators are notorious for the high heat they put out. When you figure in the low quality of materials that go into the manufacturing, the components just can't take the heat, nor do they produce the heat that stock alternators do. This would have to be the reason that alternators that are built to OEM specs last longer. Now I need you to invent cooling vents for my side covers.
Just throw the left side cover away.

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post #15 of 17 (permalink) Old 05-25-2019, 12:47 PM
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Why not just get it rebuilt locally then you won’t be buying Chinese junk, not sure wether they can increase the output but worth asking, probably a lot cheaper than buying new anyway.
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post #16 of 17 (permalink) Old 05-25-2019, 04:39 PM Thread Starter
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Why not just get it rebuilt locally then you won’t be buying Chinese junk, not sure wether they can increase the output but worth asking, probably a lot cheaper than buying new anyway.

I could more than likely rebuild the oem alternator myself but it is running fine right now and I need it for a backup next week. The parts for the lactrical would have taken too long to get here before our trip so I ordered a DB Electrical 90 amp yesterday and put it in today. The parts to rebuild/repair these bad boys come from China. Way back when, I'd see generators get hot enough to sling solder. It doesn't look like mine got that hot but it could have gotten hot enough to melt some electronics.
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post #17 of 17 (permalink) Old 05-26-2019, 12:12 AM
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Originally Posted by jlaframboise View Post
I could more than likely rebuild the oem alternator myself but it is running fine right now and I need it for a backup next week. The parts for the lactrical would have taken too long to get here before our trip so I ordered a DB Electrical 90 amp yesterday and put it in today. The parts to rebuild/repair these bad boys come from China. Way back when, I'd see generators get hot enough to sling solder. It doesn't look like mine got that hot but it could have gotten hot enough to melt some electronics.

it has been several decades now, but I remember seeing alternators and generators that were a mess like that. Solder everywhere, except where it belonged.

~ John


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