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Open Roads Forum  >  Tech Issues

 > 2000' Onan 4000 Microquite generator replacement

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Lakeplay

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Posted: 01/08/19 02:53pm Link  |  Quote  |  Print  |  Notify Moderator

Has anyone replaced their old generator with something newer? Mine bit the dust and while researching, I've been seeing a lot of issues with this model. I don't want to spend the money fixing this one if its problematic. Besides, its 18 years old. Ideally I would like to remove the one I have and install something newer in the same place.

pianotuna

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Posted: 01/08/19 05:38pm Link  |  Quote  |  Print  |  Notify Moderator

I hope you have deep pockets.

I would replace it with a Champion 3400 inverter generator with remote electric start.


Regards, Don
My ride is a 28 foot Class C, 256 watts solar, 556 amp hours of AGM in two battery banks 12 volt batteries, 3000 watt Magnum hybrid inverter, Sola Basic Autoformer, Microair Easy Start.

A Good Cigar

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Posted: 01/08/19 06:03pm Link  |  Quote  |  Print  |  Notify Moderator

How did the old generator bite the dust? How many hours are on it?


2000 Itasca Suncruiser 35U

twodownzero

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Posted: 01/08/19 07:08pm Link  |  Quote  |  Print  |  Notify Moderator

Can I have your generator that bit the dust? I can't imagine it'd cost anything even close to what a new one costs to fix it.

Lakeplay

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Posted: 01/08/19 08:05pm Link  |  Quote  |  Print  |  Notify Moderator

A Good Cigar wrote:

How did the old generator bite the dust? How many hours are on it?


Tech told me it has internal issues. Backfires, white smoke. Only 220 hours.

Lakeplay

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Posted: 01/08/19 08:07pm Link  |  Quote  |  Print  |  Notify Moderator

twodownzero wrote:

Can I have your generator that bit the dust? I can't imagine it'd cost anything even close to what a new one costs to fix it.


Used one from junk yard is 2k.

Lakeplay

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Posted: 01/08/19 08:21pm Link  |  Quote  |  Print  |  Notify Moderator

pianotuna wrote:

I hope you have deep pockets.

I would replace it with a Champion 3400 Champion 3400 inverter generator with remote electric start.


Thanks. Would it overhead being placed in the same compartment?

pianotuna

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Posted: 01/08/19 10:27pm Link  |  Quote  |  Print  |  Notify Moderator

Use part of the output to power a cooling fan. The fan needs to be 12 volt similar to the thermostatically controlled ones for radiators.

A Good Cigar

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Posted: 01/09/19 01:20am Link  |  Quote  |  Print  |  Notify Moderator

I say get a better tech! Did he specify what the problem was? I'm guessing that he didn't
It is almost impossible to destroy an Onan after only 220 hours!! Onans have a built in low oil pressure switch to protect the engine, and oil pressure is just about the ONLY thing that could cause "internal issues" in a engine with so few hours! I am no expert by any means, but it is certainly worth your peace of mind and usefulness of your RV to have that generator looked at by a competent tech! More than likely, it'll be the usual problem of a gummed up carb, or a bad control board, both ~$500 repairs!
Good luck[emoticon]

Lakeplay

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Posted: 01/09/19 06:25am Link  |  Quote  |  Print  |  Notify Moderator

A Good Cigar wrote:

I say get a better tech! Did he specify what the problem was? I'm guessing that he didn't
It is almost impossible to destroy an Onan after only 220 hours!! Onans have a built in low oil pressure switch to protect the engine, and oil pressure is just about the ONLY thing that could cause "internal issues" in a engine with so few hours! I am no expert by any means, but it is certainly worth your peace of mind and usefulness of your RV to have that generator looked at by a competent tech! More than likely, it'll be the usual problem of a gummed up carb, or a bad control board, both ~$500 repairs!
Good luck[emoticon]


Its actually been looked at by 2 tech's. One was a ONAN tech who told me it had to come out and would cost a minimum of 1k.

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