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Old 11-05-2015, 05:35 PM   #1
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Alternator issue

Seem like I'm putting a new altenater on every year. I have installed my 4th one last week. Original was a 110-555 leese Neville 160 amp. Now I'm getting a what they call change up leese Neville prestolite 160 amp.
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Old 11-05-2015, 07:36 PM   #2
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Are you sure it's an alternator problem and not a faulty battery or battery connection problem causing the alternator to overcharge?
Also, you don't say what make/model/year your coach is.
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Old 11-05-2015, 07:46 PM   #3
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No info = No Response !
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Old 11-05-2015, 07:51 PM   #4
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What symptoms do you have making you replace the alternator so many times? Something doesn't sound correct. Are the bearings going out? Is the charging current failing? Noise? Like Dennis said could be a problem not related to the alternator.

My last coach ate alternators to, I found the rear wheels were throwing water/mud/sand up saturating the alternator causing bearings to go out. I made a shield and that cured that problem.

Let us know and if we can we will help
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Old 11-06-2015, 09:15 AM   #5
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If you do your own work, a Delco 22SI alternator is an exact replacement for that Leece NoGood.
I done this at 99k miles and now I have 173k and no problems with it.
The PO changed the NoGood twice by 60k.
I've been so happy with the Delco that I bought another one for a spare($105).

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Old 11-06-2015, 06:29 PM   #6
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2000 holiday rambler imperial diesel pusher
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Old 11-06-2015, 06:32 PM   #7
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Also have new batterys and cleaned all terminals but I do get lots of road dirt and had salt and sand.
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Old 11-07-2015, 10:00 AM   #8
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In my manual for my coach it states that the alternator is there to keep the chassis batteries topped up not to charge if the battery is dead. If the battery is dead you should use the generator to charge it. Charging a dead chassis battery with the alternator will fry it.


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Old 11-07-2015, 10:20 AM   #9
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Alternator issue

Quote:
Originally Posted by HR Imperial View Post
Also have new batterys and cleaned all terminals but I do get lots of road dirt and had salt and sand.

If that's the case, a good set of mud flaps behind the rear duals might help. They should be set so they just clear when the air suspension is dumped. Also, you might try removing the big wide flap across the back. These things are know to cause a lot of turbulence around the back end.
I removed mine two years ago on our Alaska trip and have no intension of putting it back. The toad runs much cleaner than with the flap installed.
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Old 11-08-2015, 07:48 AM   #10
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I have just purchased a Honda eu1000 to use as a battery charger this winter and now going to see about mud flaps also my next alt will be a delco. Thanks for all the help 😎
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Old 11-08-2015, 08:03 AM   #11
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I dumped the Leece, after 2 in 3 years. I think you have other problems that need to be addressed. Good electrical shop is in order. If you have been going to the same shop to have the alts changed it is time to dump them also.
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