Home » Public Forums » GMCnet » How many hours to change out all fuel lines?
| How many hours to change out all fuel lines? [message #300159] |
Wed, 04 May 2016 16:52  |
Scott Nutter
Messages: 782
Registered: January 2015
Location: Houston/San Diego
Karma: 4
|
Senior Member |
|
|
I am trying to get a idea on how big of a job it is to change out all fuel lines up to the mech fuel pump, drop the empty fuel tanks, and change out fuel lines to the gen and fill neck. And then reinstall everything.
I do have a flat surface to work on. And going through previous post, I also have a parts list.
And it will also be a one man show.....thanks, Scott.
Scott Nutter
1978 Royale Center Kitchen, Patterson 455, switch pitch tranny, 3.21 final drive, Quad bags, Dave Lenzi super duty mid axle disc brakes, tankless water heater, everything Lenzi. Alex Ferrera installed MSD Atomic EFI
Houston, Texas
|
|
|
|
| Re: [GMCnet] How many hours to change out all fuel lines? [message #300162 is a reply to message #300159] |
Wed, 04 May 2016 18:19  |
Dolph Santorine
Messages: 1236
Registered: April 2011
Location: Wheeling, WV
Karma: -41
|
Senior Member |
|
|
Scott:
I put my coach up about 24” on very stout jack stands.
When I did this, it was probably 10 hours. Figure an hour up and an hour down for getting the coach in the air when you’re alone.
The biggest bear will be dropping the tanks on your own. I used a trans jack with some wood blocking. It worked well.
When you go to re-install, make certain you check the electrical connection to the fuel level senders.
Good luck!
Dolph
DE N8JPC
Wheeling, West Virginia
1977 26’ ex-PalmBeach
1-Ton, Sullybilt Bags, Reaction Arms, 3.70 LSD, Manny Transmission, EV-6010
“The Aluminum and Fiberglass Mistress"
> On May 4, 2016, at 5:52 PM, Scott Nutter wrote:
>
> I am trying to get a idea on how big of a job it is to change out all fuel lines up to the mech fuel pump, drop the empty fuel tanks, and change out
> fuel lines to the gen and fill neck. And then reinstall everything.
> I do have a flat surface to work on. And going through previous post, I also have a parts list.
> And it will also be a one man show.....thanks, Scott.
> --
> Scott Nutter
> 1978 455 Royale Center Kitchen, Quad bags.
> Houston, Texas
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
_______________________________________________
GMCnet mailing list
Unsubscribe or Change List Options:
http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
|
|
|
|
| Re: How many hours to change out all fuel lines? [message #300163 is a reply to message #300159] |
Wed, 04 May 2016 19:25 |
 |
Matt Colie
Messages: 8547
Registered: March 2007
Location: S.E. Michigan
Karma: 7
|
Senior Member |
|
|
Scott Nutter wrote on Wed, 04 May 2016 17:52I am trying to get a idea on how big of a job it is to change out all fuel lines up to the mech fuel pump, drop the empty fuel tanks, and change out fuel lines to the gen and fill neck. And then reinstall everything.
I do have a flat surface to work on. And going through previous post, I also have a parts list.
And it will also be a one man show.....thanks, Scott.
Scott,
I have had my tanks down many more times than are rational. L have learned a lot. If you want to hear this whole story, you have to buy the beer.
First piece of advise I don't think is in the page linked below and that is that if you are working alone, remove the fill pipe early and plan to reinstall it last. It is a bear to hit the connector while trying to juggle the tank.
The first time I did it, it took me most of a day to get things down, another day to do get the repairs done and the next day I put the tanks back up. All this alone, but at least on a hard floor. I would guess it was about 15~16 including the less than effective repairs to both sending units.
Lowering and lifting on straps this last time took less than one and change hours down and a little more than two back up. That time is from when I drained the tanks to when I started to refill them, but not included that fuel handling time.
http://gmc.mybirdfeeder.net/GMCforum/index.php?t=tree&th=22346&goto=174745&rid=1184#msg_174745
Matt
Matt & Mary Colie - Chaumière -'73 Glacier 23 - Members GMCMI, GMCGL, GMCES
Electronically Controlled Quiet Engine Cooling Fan with OE Rear Drum Brakes with Applied Control Arms
SE Michigan - Near DTW - Twixt A2 and Detroit
|
|
|
|
|
|
| Re: [GMCnet] How many hours to change out all fuel lines? [message #300166 is a reply to message #300165] |
Wed, 04 May 2016 20:53 |
Scott Nutter
Messages: 782
Registered: January 2015
Location: Houston/San Diego
Karma: 4
|
Senior Member |
|
|
Sounds like a real PITA....... Always makes me nervous when the post ends with "good luck"....thanks Dolph.......
Matt, if you see this, can you email me your phone number to Winoscott at AOL dot com. Not only do I brew quality beers, I also have a still!! So yes, this can be discussed over drinks!! Thanks fellas, Scott.
I might put off this project for when I get younger.. We'll see.
Scott Nutter
1978 Royale Center Kitchen, Patterson 455, switch pitch tranny, 3.21 final drive, Quad bags, Dave Lenzi super duty mid axle disc brakes, tankless water heater, everything Lenzi. Alex Ferrera installed MSD Atomic EFI
Houston, Texas
[Updated on: Wed, 04 May 2016 20:57] Report message to a moderator |
|
|
|
| Re: [GMCnet] How many hours to change out all fuel lines? [message #300168 is a reply to message #300166] |
Wed, 04 May 2016 21:14 |
bdub
Messages: 1578
Registered: February 2004
Location: Central Texas
Karma: 5
|
Senior Member |
|
|
It ain't that bad, Scott. Go for it! You'll be surprised how easy it is.
bdub
On Wed, May 4, 2016 at 8:53 PM, Scott Nutter wrote:
> Sounds like a real PITA....... Always makes me nervous when the post ends
> with "good luck"....thanks Dolph.......
> Matt, if you see this, can you email me your phone number to Winoscott at
> AOL dot com. Thanks fellas, Scott.
> I might put off this project for when I get younger.. We'll see.
> --
> Scott Nutter
> 1978 455 Royale Center Kitchen, Quad bags.
> Houston, Texas
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>
_______________________________________________
GMCnet mailing list
Unsubscribe or Change List Options:
http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
bdub
'76 Palm Beach/Central Texas
www.bdub.net
www.gmcmhphotos.com
www.gmcmotorhomemarketplace.com
www.gmcmhregistry.com
www.facebook.com/groups/classicgmcmotorhomes
www.facebook.com/groups/gmcmm
|
|
|
|
| Re: How many hours to change out all fuel lines? [message #300169 is a reply to message #300159] |
Wed, 04 May 2016 22:04 |
Gadabout
Messages: 124
Registered: March 2013
Location: Edmonton
Karma: 2
|
Senior Member |
|
|
When you have the tanks out, be sure to remove and clean the fuel pickups and sender connections also put new socks on the pickups.
The pickup flange O-Rings are often OK to reuse, but new ones are preferred.
Carl Harr : Driver NASCAR Pro Series #2
1978 Gadabout-Restoring
1978 Palm Beach
1976 Glenbrook
Prevost Featherlite H3-45
|
|
|
|
|
|
|
|
|
|
| Re: [GMCnet] How many hours to change out all fuel lines? [message #300177 is a reply to message #300176] |
Thu, 05 May 2016 05:33 |
Mr ERFisher
Messages: 7117
Registered: August 2005
Karma: 2
|
Senior Member |
|
|
For 26s read here
http://www.gmcmhphotos.com/photos/gas-tank-hard-lines/p45856-dropping-the-tanks1.html
On Thursday, May 5, 2016, gene Fisher wrote:
>
>
> On Wednesday, May 4, 2016, Bob Dunahugh > wrote:
>
>> Scott. It's a time consuming job when done completely. Contact your local
>> post office for a change of address card to the underside of the GMC. Take
>> food, water, and a nice cot. GRIN. And by completely. I'm covering the
>> vent/vapor lines to the engine, vapor canister, tank vent in the left rear
>> wheel well. Change the rubber hoses that are on the top of the tank at the
>> sender to steel.
>
> THIS IS THE MOST IMPORTANT
>
> BUT
> DO THIS ALSO
>
> http://www.gmcmhphotos.com/photos/23-gas-tank-sender-repair/p37203-gas-tank-sender-repair.html
> these holes can make dropping the tanks a one-time event
>
>>
>> That alone will save 16 ft of hose. Then change your gen fuel line to
>> the rear tank generator port. Coachman just teed into a handy fuel line. To
>> make things simpler. Buy the hose by the roll. So since you've moved in
>> under there. Change your fuel fill tube hoses. Next pull the wires out that
>> go to the holding tanks. 5 wires to each tank. Then the 4 wires to the gen.
>> Then I put the wire sets in 3 plastic tubes for safe keeping. Don't forget
>> to send me a postcard. Just as a note. I've done this to 3 - 78 Royales.
>> It's something that must be done.
>> Bob DunahughBeen there. Done That.
>>
>> _______________________________________________
>> GMCnet mailing list
>> Unsubscribe or Change List Options:
>> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>>
>
>
> --
> Gene Fisher -- 74-23,77PB/ore/ca
> “Give a man a fish; you have fed him for today --- give him a URL and
> -------
> http://gmcmotorhome.info/
> Alternator Protection Cable
> http://gmcmotorhome.info/APC.html
>
--
Gene Fisher -- 74-23,77PB/ore/ca
“Give a man a fish; you have fed him for today --- give him a URL and
-------
http://gmcmotorhome.info/
Alternator Protection Cable
http://gmcmotorhome.info/APC.html
_______________________________________________
GMCnet mailing list
Unsubscribe or Change List Options:
http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
|
|
|
|
| Re: How many hours to change out all fuel lines? [message #300180 is a reply to message #300159] |
Thu, 05 May 2016 07:47 |
lqqkatjon
Messages: 2324
Registered: October 2010
Location: St. Cloud, MN
Karma: 5
|
Senior Member |
|
|
5 years ago, I dropped my tanks and replaced the lines. It took a weekend and was back together by the end of sunday. and was not that bad as I would have thought. It helps being a smaller person and a little flexible to make sure lines are where they should be when the tanks come up and down. If I knew what i was doing, it could be done in a day, as long as your tanks are in good shape.
a big part of the project is getting the coach up in the air the right height to be able to work, yet get the tanks down and out.
I would rather restring my fuel lines and pull both tanks, then change out another black tank.
Jon Roche
75 palm beach
EBL EFI, manny headers, Micro Level, rebuilt most of coach now.
St. Cloud, MN
http://lqqkatjon.blogspot.com/
|
|
|
|
|
|
| Re: How many hours to change out all fuel lines? [message #300207 is a reply to message #300201] |
Thu, 05 May 2016 19:04 |
jjdebarros
Messages: 11
Registered: June 2015
Location: Spokane, WA
Karma: 1
|
Junior Member |
|
|
(I've been watching this thread as I need to drop my tanks. Got a leak when I fill them too much...)
A couple of questions:
- How high did you have to jack up the rear?
- Is that a multi step process of jacking up left a couple of inches, then right and then back to left...
- Any issues / danger with only jacking up the rear?
Thanks
'77 Side Bath Royale
Spokane, WA
|
|
|
|
| Re: How many hours to change out all fuel lines? [message #300208 is a reply to message #300207] |
Thu, 05 May 2016 19:50 |
Carl S.
Messages: 4186
Registered: January 2009
Location: Tucson, AZ.
Karma: 13
|
Senior Member |
|
|
IIRC, I took about a week to do the whole job, out one Saturday and back in the next. If I hadn't been so anal about cleaning and painting the tanks, and was in a hurry, I'm sure I could have done it in a weekend. I didn't find it all that difficult. My son helped me get the tanks out with a floor jack, but I like Matt's ratchet strap idea better.
Here is an album I did on the procedure if it helps:
http://www.gmcmhphotos.com/photos/g5520-gas-tank-2ffuel-line-project-6-2f10.html
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
|
|
|
|
| Re: How many hours to change out all fuel lines? [message #300210 is a reply to message #300207] |
Thu, 05 May 2016 20:20 |
|
Matt Colie
Messages: 8547
Registered: March 2007
Location: S.E. Michigan
Karma: 7
|
Senior Member |
|
|
jjdebarros wrote on Thu, 05 May 2016 20:04(I've been watching this thread as I need to drop my tanks. Got a leak when I fill them too much...)
A couple of questions:
- How high did you have to jack up the rear?
- Is that a multi step process of jacking up left a couple of inches, then right and then back to left...
- Any issues / danger with only jacking up the rear?
Thanks
JJ,
Build ramps to back onto. An extra 10~12inches should do, and then turn the rear up and block it there. (If an airspring (air bag) blows, this thing can squash you like a bug. Remember to chock the front both ways.
I cheat. I have a 7K car lift that I usually use to lift the bogies. I can't lift it very far because the barn roof is in the way.
The problem with jacking the rear a little at a time is that you really have to jack where you want to block unless you have the OE jack. Be careful how and where you jack. Bud Sargent, a VP of Thetford and a GM expatriot, got one of the first coaches. It went to a local GMC dealer for service and they put it on a truck lift and bent it so the door would not close. I got to go and pick up the replacement coach.
Other thing to not do is put the front on something solid, jack stands or a block frame and then jack one side of the rear. This can break things.
Matt & Mary Colie - Chaumière -'73 Glacier 23 - Members GMCMI, GMCGL, GMCES
Electronically Controlled Quiet Engine Cooling Fan with OE Rear Drum Brakes with Applied Control Arms
SE Michigan - Near DTW - Twixt A2 and Detroit
|
|
|
|
| Re: [GMCnet] How many hours to change out all fuel lines? [message #300212 is a reply to message #300210] |
Thu, 05 May 2016 22:12 |
rod utterback
Messages: 18
Registered: April 2016
Karma: 1
|
Junior Member |
|
|
Matt, you just saved me and my Canyonland. I have started a brake system rebuild and have the front on jack stands. I’ve be pondering the last several days how to raise the rear of the vehicle to continue with the rear brakes. After reading your comments I think I will finish the front and then restart on the rears. With the front wheels on the ground can I jack up the rear at the bogie (alternating sides) and support it at the frame rail on each side with two stands located
Before after the rear wheels? I’m just not a big fan of ramps.
Thanks, Rod
Sent from Mail for Windows 10
From: Matt Colie
Sent: Thursday, May 5, 2016 6:21 PM
To: gmclist@list.gmcnet.org
Subject: Re: [GMCnet] How many hours to change out all fuel lines?
jjdebarros wrote on Thu, 05 May 2016 20:04
> (I've been watching this thread as I need to drop my tanks. Got a leak when I fill them too much...)
>
> A couple of questions:
> - How high did you have to jack up the rear?
> - Is that a multi step process of jacking up left a couple of inches, then right and then back to left...
> - Any issues / danger with only jacking up the rear?
>
> Thanks
JJ,
Build ramps to back onto. An extra 10~12inches should do, and then turn the rear up and block it there. (If an airspring (air bag) blows, this thing
can squash you like a bug. Remember to chock the front both ways.
I cheat. I have a 7K car lift that I usually use to lift the bogies. I can't lift it very far because the barn roof is in the way.
The problem with jacking the rear a little at a time is that you really have to jack where you want to block unless you have the OE jack. Be careful
how and where you jack. Bud Sargent, a VP of Thetford and a GM expatriot, got one of the first coaches. It went to a local GMC dealer for service
and they put it on a truck lift and bent it so the door would not close. I got to go and pick up the replacement coach.
Other thing to not do is put the front on something solid, jack stands or a block frame and then jack one side of the rear. This can break things.
--
Matt & Mary Colie - Members GMCMI, GMCGL, GMCES
'73 Glacier 23 - Still Loving OE Rear Drum Brake with Applied Control Arms
Now with both true Keyless and remote entry
SE Michigan - Twixt A2 and Detroit
_______________________________________________
GMCnet mailing list
Unsubscribe or Change List Options:
http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
_______________________________________________
GMCnet mailing list
Unsubscribe or Change List Options:
http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
|
|
|
|
| Re: [GMCnet] How many hours to change out all fuel lines? [message #300222 is a reply to message #300212] |
Fri, 06 May 2016 08:11 |
|
Matt Colie
Messages: 8547
Registered: March 2007
Location: S.E. Michigan
Karma: 7
|
Senior Member |
|
|
Rod,
In my short (by comparison to some here) tenure with the GMC group, I have seen multiple frames damaged by wrong and misplaced supports. If you use anything other than pine for shoring, put pine on top. This is to spread the point load that any hard stand can cause.
I would put that support behind the rear. There are two reasons, one is that the load on the supports will be lower and the other is that there is a double layer of frame there to take the load.
As long as the front is on the ground so the suspension can work, you should not have a problem.
Matt
rod utterback wrote on Thu, 05 May 2016 23:12Matt, you just saved me and my Canyonland. I have started a brake system rebuild and have the front on jack stands. I've be pondering the last several days how to raise the rear of the vehicle to continue with the rear brakes. After reading your comments I think I will finish the front and then restart on the rears. With the front wheels on the ground can I jack up the rear at the bogie (alternating sides) and support it at the frame rail on each side with two stands located
Before after the rear wheels? I'm just not a big fan of ramps.
Thanks, Rod
Sent from Mail for Windows 10
From: Matt Colie
Sent: Thursday, May 5, 2016 6:21 PM
To: gmclist@list.gmcnet.org
Subject: Re: [GMCnet] How many hours to change out all fuel lines?
jjdebarros wrote on Thu, 05 May 2016 20:04
> (I've been watching this thread as I need to drop my tanks. Got a leak when I fill them too much...)
>
> A couple of questions:
> - How high did you have to jack up the rear?
> - Is that a multi step process of jacking up left a couple of inches, then right and then back to left...
> - Any issues / danger with only jacking up the rear?
>
> Thanks
JJ,
Build ramps to back onto. An extra 10~12inches should do, and then turn the rear up and block it there. (If an airspring (air bag) blows, this thing
can squash you like a bug. Remember to chock the front both ways.
I cheat. I have a 7K car lift that I usually use to lift the bogies. I can't lift it very far because the barn roof is in the way.
The problem with jacking the rear a little at a time is that you really have to jack where you want to block unless you have the OE jack. Be careful
how and where you jack. Bud Sargent, a VP of Thetford and a GM expatriot, got one of the first coaches. It went to a local GMC dealer for service
and they put it on a truck lift and bent it so the door would not close. I got to go and pick up the replacement coach.
Other thing to not do is put the front on something solid, jack stands or a block frame and then jack one side of the rear. This can break things.
--
Matt & Mary Colie - Members GMCMI, GMCGL, GMCES
'73 Glacier 23 - Still Loving OE Rear Drum Brake with Applied Control Arms
Now with both true Keyless and remote entry
SE Michigan - Twixt A2 and Detroit
_______________________________________________
GMCnet mailing list
Unsubscribe or Change List Options:
http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
_______________________________________________
GMCnet mailing list
Unsubscribe or Change List Options:
http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
Matt & Mary Colie - Chaumière -'73 Glacier 23 - Members GMCMI, GMCGL, GMCES
Electronically Controlled Quiet Engine Cooling Fan with OE Rear Drum Brakes with Applied Control Arms
SE Michigan - Near DTW - Twixt A2 and Detroit
|
|
|
|
Goto Forum:
Current Time: Mon May 06 02:06:00 CDT 2024
Total time taken to generate the page: 0.01159 seconds
|
GMCforum
Search
Help
Register
Login
Home
I made sure and had a full complement of the hose I'd need to get the whole job done, but IIRC, I still ended up at the Autozone around the corner to get a little bit of something I needed. It's really not a huge job at all unless you're taking the time to refinish or clean / prep the tanks for some reason. Just make sure the tanks are as empty as you can get 'em, and have fun!