| Alternator failures [message #280626] |
Wed, 24 June 2015 11:14  |
westlanddave78
Messages: 27
Registered: March 2006
Location: Westland, MI
Karma: 0
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I've had two alternators fail in less than a year's time. The second-to-latest one lasted less than a year and less than 500 miles. I failed to get the first alternator that died back from the mechanic, but do have the second one. I'm planning to do a post-mortem/rebuild on it.
Is anyone else having trouble like this or did I just get a lemon? Am I doing something wrong with the installation or wiring?
It seems like the only 27SI alternators on the market anymore are remanufactured. I've heard horror stories about how little they do when they "remanufacture" starters and alternators. Is there a source for new 27SIs or better-quality remans?
Thanks for your help!
Dave P.
Westland, MI
75 Palm Beach
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| Re: Alternator failures [message #280631 is a reply to message #280628] |
Wed, 24 June 2015 11:34  |
Bob de Kruyff
Messages: 4260
Registered: January 2004
Location: Chandler, AZ
Karma: 1
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westlanddave78 wrote on Wed, 24 June 2015 10:27Thanks Wally. The current alt on my coach is a Delco, so we'll see how that goes. Next time, I'll go with the AutoZone one to get the lifetime warranty...assuming I can hold onto the receipt!
I use the Autozone 100 amp units as well. I think I am on my 3rd one in about 15 years so I'm not unhappy. I blame part of the failures on the fact that I have 4 house batteries that I run down when dry camping. They all come with nice machined pulleys so I never encounter belt squeal that many here try to fix with dual pulleys. Also, If they have your phone number, you won't need a receipt. However, the last time I went in for a replacement, they had to find a store that had one, so I think they are getting more difficult to find.
Bob de Kruyff
78 Eleganza
Chandler, AZ
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| Re: [GMCnet] Alternator failures [message #280665 is a reply to message #280628] |
Wed, 24 June 2015 18:06 |
Rob
Messages: 651
Registered: November 2013
Location: Victoria, BC
Karma: 3
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Senior Member |
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When I installed a Delco (100A 27SI) recently, I was told that it had a "limited lifetime" warranty.
But I never saw it in writing. I guess we'll see what happens when/if it fails - I suspect it will require an argument to get it covered...
Rob
Victoria, BC
76 Royale - Rear Twins/Dry Bath
On 2015-06-24, at 9:27 AM, David Pilon wrote:
> Thanks Wally. The current alt on my coach is a Delco, so we'll see how that goes. Next time, I'll go with the AutoZone one to get the lifetime
> warranty...assuming I can hold onto the receipt!
> --
> Dave P.
> Westland, MI
> 75 Palm Beach
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Rob -
Victoria, BC -
76 Royale - Rear Twins/Dry Bath
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| Re: [GMCnet] Alternator failures [message #280666 is a reply to message #280626] |
Wed, 24 June 2015 18:28 |
Jim Miller
Messages: 501
Registered: March 2008
Karma: 10
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Senior Member |
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On Jun 24, 2015, at 12:14 PM, David Pilon wrote:
> It seems like the only 27SI alternators on the market anymore are remanufactured. I've heard horror stories about how little they do when they
> "remanufacture" starters and alternators. Is there a source for new 27SIs or better-quality remans?
If you don’t mind trading a little extra $$ for the peace of mind of having a known good unit then I would recommend you contact J&N Auto Electric in Cincinnati Ohio - and do one of the following: buy one of their units, let them rebuild yours, or buy the electrical (and mechanical) parts needed to rebuild yours and do it yourself. They have an excellent reputation in the area and they have a huge stock of parts. They work on every conceivable starter and alternator from any application - from the smallest of the small to gargantuan units. I’ve been going there for years and have been very happy with the company.
One word of warning - do not say the word “Aircraft” on the phone or anywhere within a mile radius of the place. I took a gas turbine starter in to them and when they saw "Garrett AirResearch" on the nameplate it came back across the counter to me so fast I’d swear I heard a supersonic crack. I did finally convince them that it was for a ground power unit and they did a fine rebuild job on it for me.
Another note: they will ship you parts in the mail but they are not an “on-line” retailer. Do not expect to go to their website and shop. You have to call them and talk to humans who will look up your parts in books and on their computer.
--Jim "saving the lives of Onans...one unit at a time" Miller
1977 Eleganza II
1977 Royale
Hamilton, OH
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Jim Miller
1977 Eleganza II
1977 Royale
Hamilton, OH
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| Re: Alternator failures [message #280669 is a reply to message #280626] |
Wed, 24 June 2015 18:59 |
jhbridges
Messages: 8412
Registered: May 2011
Location: Braselton ga
Karma: -74
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So, what's the difference in a Chev starter from the 60s and a Lycoming 4 cylinder unit from the same time period? The patent plate and about 300 dollars. There's substantially more than one O 320 and O 360 aviating about with auto insides, bendix, bearings, bushings, brushes, everything >but< the outer housing containing the fixed coils and the airworthy patent plate.
n.b. The same isn't true of alternators, according to the Lycoming folks. They use a varnish suitable for high altitude operation without leakage or arcing. They sure do >look< like a ground bound Delcotron though.
--johnny
Foolish Carriage, 76 26' Eleganza(?) with beaucoup mods and add - ons.
Braselton, Ga.
I forgive them all, save those who hurt the dogs. They must answer to me in hell
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| Re: Alternator failures [message #280671 is a reply to message #280626] |
Wed, 24 June 2015 19:20 |
lqqkatjon
Messages: 2324
Registered: October 2010
Location: St. Cloud, MN
Karma: 5
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Senior Member |
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All alternators can fail. Juat had a 2011 ford transit with 75k on it fail. Said and done it was almost an $800 repair.
Jon Roche
75 palm beach
EBL EFI, manny headers, Micro Level, rebuilt most of coach now.
St. Cloud, MN
http://lqqkatjon.blogspot.com/
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| Re: [GMCnet] Alternator failures [message #280674 is a reply to message #280669] |
Wed, 24 June 2015 20:14 |
Jim Miller
Messages: 501
Registered: March 2008
Karma: 10
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Senior Member |
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HI Johnny, I suspect the company had been on the wrong end of a lawsuit at some point in the past and is paranoid. A lot of their products in the showroom have “not for aircraft use” printed on them (including the Facet fuel pump I bought for use on the same turbine which had the Delco starter that they initially didn’t want to fix).
—Jim
> On Jun 24, 2015, at 7:59 PM, Johnny Bridges wrote:
>
> So, what's the difference in a Chev starter from the 60s and a Lycoming 4 cylinder unit from the same time period? The patent plate and about 300
> dollars. There's substantially more than one O 320 and O 360 aviating about with auto insides, bendix, bearings, bushings, brushes, everything >but the outer housing containing the fixed coils and the airworthy patent plate.
>
> n.b. The same isn't true of alternators, according to the Lycoming folks. They use a varnish suitable for high altitude operation without leakage or
> arcing. They sure do >look< like a ground bound Delcotron though.
>
> --johnny
> --
> '76 23' transmode Norris upfit
> Braselton, Ga.
>
> "Sometimes I wonder what tomorrow's gonna bring when I think about my dirty life and times" --Warren Zevon
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--Jim "saving the lives of Onans...one unit at a time" Miller
1977 Eleganza II
1977 Royale
Hamilton, OH
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Jim Miller
1977 Eleganza II
1977 Royale
Hamilton, OH
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| Re: Alternator failures [message #280678 is a reply to message #280626] |
Wed, 24 June 2015 20:49 |
Ken Burton
Messages: 10030
Registered: January 2004
Location: Hebron, Indiana
Karma: 10
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Senior Member |
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Limited lifetime means the warranty does not carry on to the next owner. I installed a 100A Autozone alternator after my engine fire 8 or 10 years ago. I have never had one fail from them on any vehicle. I think they are just about all re-manufactured by Cardone in Mexico.
Ken Burton - N9KB
76 Palm Beach
Hebron, Indiana
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| Re: Alternator failures [message #280689 is a reply to message #280626] |
Thu, 25 June 2015 08:28 |
jhbridges
Messages: 8412
Registered: May 2011
Location: Braselton ga
Karma: -74
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Senior Member |
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When we were learning how to weld flat motors, we sent the test cases to Florida for airboats - there was a steady market. I was the peon who got to crate them, after I took a set of dies and stamped NOT AIRWORTHY on both cases and the rear castings.
We bought an Evinrude 115HP engine for our houseboat Back When, and the dealer said OMC regularly gave him grief over selling an engine without a boat under it. At the time a fair number of Rotorway homebuilt 'copters were showing up with OMC power and they were afraid of any liability.
--johnny
Foolish Carriage, 76 26' Eleganza(?) with beaucoup mods and add - ons.
Braselton, Ga.
I forgive them all, save those who hurt the dogs. They must answer to me in hell
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