Home » Public Forums » GMCnet » Onan replacement
| Onan replacement [message #164007] |
Fri, 23 March 2012 22:29  |
Bob de Kruyff
Messages: 4260
Registered: January 2004
Location: Chandler, AZ
Karma: 1
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Senior Member |
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Even though my original Onan ran great it has always been noisy and a shaker--even with the new mounts, ignition, decarburizing, etc. When it started to puke oil at an alrming rate, I decided enough was enough. I bought a very nice Emerald from one of our trusted netters and am prepping it for the install. Tomorrow, the old comes out and I plan on stripping the insulation (even though it looks good) and adding sound effective insulation. The new one will fit laterally or length wise and I haven't made up my mind which way it will go in. If I mount it laterally I will adapt it to the existing slides, but I'm tempted to mount it permanently length wise since it is designed to be a front serviceable unit. Here are the pics so far and for once, I'll try to make a decent picture trail. BTW, i think the old one either blew a front seal or the governor housing loosened up once agian. I will fix it.
http://www.gmcmhphotos.com/photos/showphoto.php?photo=43287&title=getting-the-new-onan-r&cat=3444
Bob de Kruyff
78 Eleganza
Chandler, AZ
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| Re: Onan replacement [message #164008 is a reply to message #164007] |
Fri, 23 March 2012 22:30  |
RadioActiveGMC
Messages: 1020
Registered: November 2010
Location: Hot AZ desert
Karma: 0
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Senior Member |
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I think the seller of that Emerald is one heck of a guy personally.
***"Gettin There"-1973 23' Sequoia-
Michael, Onans smell, "Go solar/wind power!"
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| Re: Onan replacement [message #164009 is a reply to message #164008] |
Fri, 23 March 2012 22:48 |
Bob de Kruyff
Messages: 4260
Registered: January 2004
Location: Chandler, AZ
Karma: 1
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Senior Member |
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| Mr.RadioActive wrote on Fri, 23 March 2012 21:30 |
I think the seller of that Emerald is one heck of a guy personally.
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You got it!! I especially like the lifetime warranty and maintenance plan 
Bob de Kruyff
78 Eleganza
Chandler, AZ
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| Re: Onan replacement [message #164031 is a reply to message #164007] |
Sat, 24 March 2012 08:19 |
Dennis S
Messages: 3046
Registered: November 2005
Karma: 2
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Senior Member |
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That sure is a pretty trailer!
Dennis
| Bob de Kruyff wrote on Fri, 23 March 2012 22:29 |
Even though my original Onan ran great it has always been noisy and a shaker--even with the new mounts, ignition, decarburizing, etc. When it started to puke oil at an alrming rate, I decided enough was enough. I bought a very nice Emerald from one of our trusted netters and am prepping it for the install. Tomorrow, the old comes out and I plan on stripping the insulation (even though it looks good) and adding sound effective insulation. The new one will fit laterally or length wise and I haven't made up my mind which way it will go in. If I mount it laterally I will adapt it to the existing slides, but I'm tempted to mount it permanently length wise since it is designed to be a front serviceable unit. Here are the pics so far and for once, I'll try to make a decent picture trail. BTW, i think the old one either blew a front seal or the governor housing loosened up once agian. I will fix it.
http://www.gmcmhphotos.com/photos/showphoto.php?photo=43287&title=getting-the-new-onan-r&cat=3444
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Dennis S
73 Painted Desert 230
Memphis TN Metro
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| Re: Onan replacement [message #164033 is a reply to message #164031] |
Sat, 24 March 2012 08:30 |
Bob de Kruyff
Messages: 4260
Registered: January 2004
Location: Chandler, AZ
Karma: 1
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Senior Member |
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""That sure is a pretty trailer!
Dennis
""
I think a thousand years from now instead of digging up pottery, people will discover old U-haul trailers still in preserved condition These things are built like tanks!
Bob de Kruyff
78 Eleganza
Chandler, AZ
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| Re: [GMCnet] Onan replacement [message #164039 is a reply to message #164031] |
Sat, 24 March 2012 09:43 |
William Cornell
Messages: 8
Registered: February 2012
Karma: 0
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Junior Member |
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I would like to replace my Onan, keep the pictures comming
Thanks
William Cornell
76 Eleganza
Ft Myers Fl
________________________________
From: Dennis Sexton <dennisfsexton@aol.com>
To: gmclist@temp.gmcnet.org
Sent: Saturday, March 24, 2012 9:19 AM
Subject: Re: [GMCnet] Onan replacement
That sure is a pretty trailer!
Dennis
Bob de Kruyff wrote on Fri, 23 March 2012 22:29
> Even though my original Onan ran great it has always been noisy and a shaker--even with the new mounts, ignition, decarburizing, etc. When it started to puke oil at an alrming rate, I decided enough was enough. I bought a very nice Emerald from one of our trusted netters and am prepping it for the install. Tomorrow, the old comes out and I plan on stripping the insulation (even though it looks good) and adding sound effective insulation. The new one will fit laterally or length wise and I haven't made up my mind which way it will go in. If I mount it laterally I will adapt it to the existing slides, but I'm tempted to mount it permanently length wise since it is designed to be a front serviceable unit. Here are the pics so far and for once, I'll try to make a decent picture trail. BTW, i think the old one either blew a front seal or the governor housing loosened up once agian. I will fix it.
>
> http://www.gmcmhphotos.com/photos/showphoto.php?photo=43287&title=getting-the-new-onan-r&cat=3444
--
Dennis S
73 Painted Desert 230
Germantown, TN
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| Re: [GMCnet] Onan replacement [message #164063 is a reply to message #164039] |
Sat, 24 March 2012 15:37 |
henryblairjr
Messages: 43
Registered: February 2012
Karma: 0
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Member |
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Watch out!!! Do you have an Emerald installation manual. If not, you need
one now. These generators are sensitive to how the ventilating ducts are
located and you can over heat one easily if you do not follow Onan's
recommendations. Both the generator and the engine can overheat. I have
zero experience with replacements on GMC's, but much experience on other
motor homes and the positioning of the vents is critical. If you need the
manual, contact me by personal email and I will see if I can find one in
PDF format for you.
Henry
Henry K. Blair, Jr.
603 South Walton Street
Bethune, SC 29009-9032
(770) 998-4897, Cell (770) 827-7392
henryblairjr@gmail.com
On Sat, Mar 24, 2012 at 10:43 AM, William Cornell <cornellwj@yahoo.com>wrote:
> I would like to replace my Onan, keep the pictures comming
>
> Thanks
>
> William Cornell
> 76 Eleganza
> Ft Myers Fl
>
>
> ________________________________
> From: Dennis Sexton <dennisfsexton@aol.com>
> To: gmclist@temp.gmcnet.org
> Sent: Saturday, March 24, 2012 9:19 AM
> Subject: Re: [GMCnet] Onan replacement
>
>
>
> That sure is a pretty trailer!
>
> Dennis
>
>
>
> Bob de Kruyff wrote on Fri, 23 March 2012 22:29
> > Even though my original Onan ran great it has always been noisy and a
> shaker--even with the new mounts, ignition, decarburizing, etc. When it
> started to puke oil at an alrming rate, I decided enough was enough. I
> bought a very nice Emerald from one of our trusted netters and am prepping
> it for the install. Tomorrow, the old comes out and I plan on stripping the
> insulation (even though it looks good) and adding sound effective
> insulation. The new one will fit laterally or length wise and I haven't
> made up my mind which way it will go in. If I mount it laterally I will
> adapt it to the existing slides, but I'm tempted to mount it permanently
> length wise since it is designed to be a front serviceable unit. Here are
> the pics so far and for once, I'll try to make a decent picture trail. BTW,
> i think the old one either blew a front seal or the governor housing
> loosened up once agian. I will fix it.
> >
> >
> http://www.gmcmhphotos.com/photos/showphoto.php?photo=43287&title=getting-the-new-onan-r&cat=3444
>
>
> --
> Dennis S
> 73 Painted Desert 230
> Germantown, TN
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
> _______________________________________________
> GMCnet mailing list
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| Re: [GMCnet] Onan replacement [message #164066 is a reply to message #164063] |
Sat, 24 March 2012 16:02 |
Bob de Kruyff
Messages: 4260
Registered: January 2004
Location: Chandler, AZ
Karma: 1
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Senior Member |
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""Watch out!!! Do you have an Emerald installation manual. If not, you need
one now. These generators are sensitive to how the ventilating ducts are
located and you can over heat one easily if you do not follow Onan's
recommendations. Both the generator and the engine can overheat. I have
zero experience with replacements on GMC's, but much experience on other
motor homes and the positioning of the vents is critical. If you need the
manual, contact me by personal email and I will see if I can find one in
PDF format for you.
""
Thanks for the heads up. I do have the manual and even though I'm still designing, I think I have plenty of room for flow. Thanks again.
Bob de Kruyff
78 Eleganza
Chandler, AZ
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| Re: [GMCnet] Onan replacement [message #164067 is a reply to message #164066] |
Sat, 24 March 2012 16:37 |
Bob de Kruyff
Messages: 4260
Registered: January 2004
Location: Chandler, AZ
Karma: 1
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Senior Member |
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Well I lied about the pictures. Once I started pulling the onan I forgot all about pictures. I pulled the ramp trailer up to the onan, lowered the ramp and pulled it under the Onan compartment. I never had to take the cherry picker out of the trailer. I hooked it to the eye bolt I screwed into the manifold, removed the slide bolts. and out it came. It was a 20 minute job. It's already sitting on a stand on the side of my house waiting for a cleaning and rebuild. After checking out the hole, I'm still thinking the new one will be permanently mounted for-aft rather than on the slides-they will need some serious repositioning but not impossible. The old foam insulation is intact but crispy and has to come out. Lot's of degreasing in the hole before I redo wiring and fuel hose but frankly it is all very straight forward and easy.
http://www.gmcmhphotos.com/photos/showphoto.php?photo=43313&title=still-pulling-the-barb&cat=3444
Bob de Kruyff
78 Eleganza
Chandler, AZ
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| Re: Onan replacement [message #164091 is a reply to message #164007] |
Sat, 24 March 2012 20:05 |
Carl S.
Messages: 4186
Registered: January 2009
Location: Tucson, AZ.
Karma: 13
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Senior Member |
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Bob,
If you're looking to get rid of your old Power Drawer, Sandy's RV Center, in Tucson, might be interested. They have a '78 26' (model unknown to me, at least) GMC that belongs to a guy from Prescott, whose father was the original owner. It is missing it's generator, and the guy wants one put back in it. He wants to be able to run both roof AC units, so it needs to be a big one like the missing 6-K.
Give them a call if you are interested in selling yours. They might be interested in trying to resurrect it for this coach.
Carl Stouffer
'75 ex Palm Beach
Tucson, AZ.
Chuck Aulgur Reaction Arm Disc Brakes, Quadrabags, 3.70 LSD final drive, Lenzi knuckles/hubs, Dodge Truck 16" X 8" front wheels, Rear American Eagles, Solar battery charging. GMCSJ and GMCMI member
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| Re: Onan replacement [message #164104 is a reply to message #164091] |
Sat, 24 March 2012 21:19 |
Bob de Kruyff
Messages: 4260
Registered: January 2004
Location: Chandler, AZ
Karma: 1
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Senior Member |
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| Carl S. wrote on Sat, 24 March 2012 19:05 |
Bob,
If you're looking to get rid of your old Power Drawer, Sandy's RV Center, in Tucson, might be interested. They have a '78 26' (model unknown to me, at least) GMC that belongs to a guy from Prescott, whose father was the original owner. It is missing it's generator, and the guy wants one put back in it. He wants to be able to run both roof AC units, so it needs to be a big one like the missing 6-K.
Give them a call if you are interested in selling yours. They might be interested in trying to resurrect it for this coach.
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I'll definitely keep it in mind Carl. I'm already degreasing it and trying to find the source of the large leak. I won't sleep till I find and fix it. It's too nice of a genny to let sit. It would be great if it found a new home.
Bob de Kruyff
78 Eleganza
Chandler, AZ
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