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Isolation pads on a 78 [message #94239]

Sun, 01 August 2010 21:02

pzerkel

Messages: 212
Registered: September 2007
Location: Salisbury, IL

Karma:

Senior Member

I am trying to replace the body isolation pads on my 78 Eleganza.

All eight of the nuts holding on the four U-brackets just spin the bolt when I try to remove them.

So far I have:
1) spent two weeks with near daily penetrating oil.
2) chased threads with re-threading nuts
3) tried to get vise-grips on bolt, while loosening nut (I could not get vise-grip tight enough to prevent the bolt turning).
4) Tried a nut splitter. First there was no room for a nut splitter. I then Dremeled out a 2"x3" area of the aluminum outboard of the frame rails, so that I could get a nut splitter on the nut, perpendicular to the frame rail.

When I went to tighten the nut splitter it kept slipping off the nut. Eventually the "little round thing" with the flat head that (smashes the flat side of nut) came out of nut splitter. I could sort of put it back long enough to get splitter on the nut, but it kept slipping. The nut splitter I was using pretty much looked like the compact one listed on the below linked McMaster/Carr page.

While it's more than I really want to spend for this, I am seriously considering the $131 heavy-duty splitter on this page:
http://www.mcmaster.com/#nut-splitters/=87wxhs

But I would really want to be sure it would work before I spent that kind of money

5) I have also tried to Dremel a slot in a flat of the nut (using right-angle Dremel attachment), and then hit that with a cold chisel and hammer. That seemed to have no affect. It was hard to get much force on the hammer while laying on the creeper.

6) I have tried to just jack up the body without loosening the nuts. I simply could not get enough clearance to slip the new pads in that way. I t appears to me that the nuts simply must come off. The new pads I have are about ~ 3/4" thick. I have been told that these are the only thickness currently available. But I also believe the 78's came with a slightly thinner pad. The few pads I do have left would seem to confirm that (or else they have been squished a lot in the past 32 years).

I have not tried a torch. Frankly the proximity to the wood floor, and the very flammable insulation makes me think that would be a very bad idea.

As I said, it seems I simply must get these nuts off. But I am running out of ideas. At this point I am wondering if a different nut splitter (preferably not as expensive as the $131 one) may work. But at this point I would just like any advice as to what to try next.

Thanks in advance for any advice.

Paul Zerkel
'78 Eleganza II
Salisbury IL (near Springfield)

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[Message index]

		Isolation pads on a 78 By: pzerkel on Sun, 01 August 2010 21:02
		Re: Isolation pads on a 78 By: mike miller on Mon, 02 August 2010 00:19
		Re: [GMCnet] Isolation pads on a 78 By: Byron Songer on Mon, 02 August 2010 22:23
		Re: Isolation pads on a 78 By: Ken Burton on Mon, 02 August 2010 00:58
		Re: Isolation pads on a 78 By: Larry on Mon, 02 August 2010 08:02
		Re: Isolation pads on a 78 By: Larry on Mon, 02 August 2010 08:04
		Re: Isolation pads on a 78 By: pzerkel on Mon, 02 August 2010 09:25
		Re: [GMCnet] Isolation pads on a 78 By: emerystora on Mon, 02 August 2010 09:51
		Re: [GMCnet] Isolation pads on a 78 By: carguy on Mon, 02 August 2010 10:37
		Re: Isolation pads on a 78 By: jhb1 on Mon, 02 August 2010 20:21
		Re: [GMCnet] Isolation pads on a 78 By: emerystora on Mon, 02 August 2010 12:35
		Re: [GMCnet] Isolation pads on a 78 By: pzerkel on Mon, 02 August 2010 13:22
		Re: [GMCnet] Isolation pads on a 78 By: emerystora on Mon, 02 August 2010 13:31
		Re: Isolation pads on a 78 By: pzerkel on Mon, 02 August 2010 22:07
		Re: [GMCnet] Isolation pads on a 78 By: gmcrv1 on Mon, 02 August 2010 22:51
		Re: [GMCnet] Isolation pads on a 78 By: pzerkel on Mon, 23 August 2010 22:41
		Re: [GMCnet] Isolation pads on a 78 By: JShot on Tue, 24 August 2010 07:31
		Re: [GMCnet] Isolation pads on a 78 By: Bill Massey on Tue, 24 August 2010 08:07
		Re: [GMCnet] Isolation pads on a 78 By: ejuk8em on Tue, 24 August 2010 09:41
		Re: [GMCnet] Isolation pads on a 78 By: pzerkel on Tue, 24 August 2010 13:12
		Re: [GMCnet] Isolation pads on a 78 By: Ray Erspamer on Wed, 25 August 2010 08:27
		Re: [GMCnet] Isolation pads on a 78 By: pzerkel on Wed, 25 August 2010 09:24
		Re: [GMCnet] Isolation pads on a 78 By: powerjon on Wed, 25 August 2010 21:49
		Re: [GMCnet] Isolation pads on a 78 By: Ken Burton on Thu, 26 August 2010 04:04
		Re: [GMCnet] Isolation pads on a 78 By: emerystora on Wed, 25 August 2010 21:55
		Re: [GMCnet] Isolation pads on a 78 By: Ray Erspamer on Thu, 26 August 2010 10:59
		Re: [GMCnet] Isolation pads on a 78 By: mlincoln on Thu, 26 August 2010 12:01
		Re: [GMCnet] Isolation pads on a 78 By: emerystora on Thu, 26 August 2010 12:30
		Re: [GMCnet] Isolation pads on a 78 By: emerystora on Thu, 26 August 2010 12:44
		Re: [GMCnet] Isolation pads on a 78 By: pzerkel on Thu, 26 August 2010 13:19
		Re: [GMCnet] Isolation pads on a 78 By: emerystora on Thu, 26 August 2010 14:25
		Re: [GMCnet] Isolation pads on a 78 By: mlincoln on Thu, 26 August 2010 19:17
		Re: [GMCnet] Isolation pads on a 78 By: emerystora on Thu, 26 August 2010 22:05
		Re: [GMCnet] Isolation pads on a 78 By: Mr ERFisher on Thu, 26 August 2010 13:20
		Re: [GMCnet] Isolation pads on a 78 By: emerystora on Thu, 26 August 2010 12:49
		Re: [GMCnet] Isolation pads on a 78 By: Bob de Kruyff on Thu, 26 August 2010 11:40
		Re: [GMCnet] Isolation pads on a 78 By: Ken Burton on Thu, 26 August 2010 14:34
		Re: [GMCnet] Isolation pads on a 78 By: Bob de Kruyff on Thu, 26 August 2010 14:57
		Re: [GMCnet] Isolation pads on a 78 By: mike miller on Tue, 24 August 2010 10:33
		Re: [GMCnet] Isolation pads on a 78 By: ljdavick on Tue, 24 August 2010 17:34
		Re: Isolation pads on a 78 By: RF_Burns on Thu, 26 August 2010 12:02
		Re: [GMCnet] Isolation pads on a 78 By: Ray Erspamer on Thu, 26 August 2010 12:45
		Re: Isolation pads on a 78 By: jaholland on Thu, 26 August 2010 17:46

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