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Re: Road Wonder [message #109849 is a reply to message #109821]

Sun, 26 December 2010 22:23

mike miller

Messages: 3576
Registered: February 2004
Location: Hillsboro, Oregon

Karma:

Senior Member

Mr.RadioActive wrote on Sun, 26 December 2010 16:40

<<snipped>> The GMC bounces, sways, swags and seems like a marshmallow driving on the highway. It kinda feels like the steering and body want to do go two different directions at times. Big trucks air pushes me really bad, ... <<snipped>>

Michael,

You have been given some excellent advice. Most steering problems are front end related. But keep in mind that we are talking about a 1973.

'73 coaches are more likely to have loose boogie bushings due to the smaller bushings with poorly designed grease passages. If these bushings are loose, the coach will drive like it has casters on the rear wheels... bad casters at that! You can check the bushings when you have the tires off and pressure out of the air bags. (Note that you shouldn't jack the coach with fully pressurized air bags. It is VERY hard on the shocks.) Jack up the hub end of the boogie and prop it at close to ride height with a 1x2 stick, pipe or something that will not restrict side to side movement. Push and pull on the hub end of the boogie... there shouldn't be much, if any, "slop" in the boogie bushings. The maintenance manual has the actual "spec".

Spectrac might be the best shop in the world for most suspension systems but they might not know enough about the odd-ball boogie system on our GMC's.

A couple of notes on tire pressures:

1. I would not go under "60 PSI in the rears and 65 PSI in the front" unless you KNOW how much weight is on the tires--for safety purposes.

2. Tire pressures are designed to be checked cold. DO NOT let out air when the tires get hot... that will make them under design pressure and make them get even hotter.

One of the reasons for the Firestone/Ford tire failures (and crashes) was tire under inflation. (There where other reasons but we do not need to go there...)

Mike Miller -- Hillsboro, OR -- on the Black list
(#2)`78 23' Birchaven Rear Bath -- (#3)`77 23' Birchaven Side Bath
More Sidekicks than GMC's and a late model Malibu called 'Boo' http://m000035.blogspot.com

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[Message index]

		Road Wonder By: RadioActiveGMC on Sun, 26 December 2010 18:40
		Re: Road Wonder By: tphipps on Sun, 26 December 2010 19:06
		Re: Road Wonder By: Oldngray on Sun, 26 December 2010 19:08
		Re: [GMCnet] Road Wonder By: James Hupy on Sun, 26 December 2010 19:39
		Re: [GMCnet] Road Wonder By: Charles on Sun, 26 December 2010 19:06
		Re: Road Wonder By: RadioActiveGMC on Sun, 26 December 2010 19:38
		Re: Road Wonder By: RadioActiveGMC on Sun, 26 December 2010 19:47
		Re: Road Wonder By: C Boyd on Sun, 26 December 2010 20:14
		Re: Road Wonder By: fred v on Mon, 27 December 2010 08:59
		Re: Road Wonder By: George Beckman on Mon, 27 December 2010 09:44
		Re: [GMCnet] Road Wonder By: hnielsen2 on Mon, 27 December 2010 10:58
		Re: Road Wonder By: RadioActiveGMC on Sun, 26 December 2010 20:25
		Re: Road Wonder By: Ken Burton on Sun, 26 December 2010 21:05
		Re: Road Wonder By: C Boyd on Sun, 26 December 2010 21:13
		Re: Road Wonder By: WD0AFQ on Sun, 26 December 2010 21:32
		Re: Road Wonder By: RadioActiveGMC on Sun, 26 December 2010 21:24
		Re: Road Wonder By: RadioActiveGMC on Sun, 26 December 2010 21:41
		Re: [GMCnet] Road Wonder By: jimk on Sun, 26 December 2010 22:11
		Re: Road Wonder By: mike miller on Sun, 26 December 2010 22:23
		Re: Road Wonder By: RadioActiveGMC on Sun, 26 December 2010 22:24
		Re: [GMCnet] Road Wonder By: USAussie on Mon, 27 December 2010 00:32
		Re: [GMCnet] Road Wonder By: peter bailey on Mon, 27 December 2010 06:23
		Step by Step Procedure Was: Road Wonder By: mike miller on Mon, 27 December 2010 09:01
		Re: [GMCnet] Step by Step Procedure Was: Road Wonder By: USAussie on Mon, 27 December 2010 15:32
		Re: Road Wonder By: Luvn737s on Mon, 27 December 2010 00:56
		Re: [GMCnet] Road Wonder By: Steven Ferguson on Mon, 27 December 2010 06:34
		Re: Road Wander By: RadioActiveGMC on Mon, 27 December 2010 08:49
		Re: Road Wonder By: fred v on Mon, 27 December 2010 09:10
		Re: Road Wander By: RadioActiveGMC on Mon, 27 December 2010 09:18
		Re: Road Wander By: fred v on Mon, 27 December 2010 17:56
		Re: Road Wonder By: RF_Burns on Mon, 27 December 2010 12:16
		Re: [GMCnet] Road Wonder By: Charles on Mon, 27 December 2010 12:49
		Re: [GMCnet] Road Wonder By: RF_Burns on Mon, 27 December 2010 16:16
		Re: Road Wander By: RadioActiveGMC on Mon, 27 December 2010 13:03
		Re: [GMCnet] Road Wander By: James Hupy on Mon, 27 December 2010 13:47
		Re: [GMCnet] Road Wander By: Byron Songer on Mon, 27 December 2010 14:28
		Re: Road Wander By: fred v on Mon, 27 December 2010 18:00
		Re: [GMCnet] Road Wander By: Steven Ferguson on Tue, 28 December 2010 06:34
		Re: Road Wonder By: RadioActiveGMC on Mon, 27 December 2010 13:09
		Re: Road Wonder By: C Boyd on Mon, 27 December 2010 15:12
		Re: [GMCnet] Road Wonder By: USAussie on Mon, 27 December 2010 15:32
		Re: [GMCnet] Road Wonder By: USAussie on Mon, 27 December 2010 15:19
		Re: Road Wonder By: RadioActiveGMC on Mon, 27 December 2010 13:53
		Re: Road Wonder By: RadioActiveGMC on Mon, 27 December 2010 14:40
		Re: Road Wander By: RadioActiveGMC on Mon, 27 December 2010 15:35
		Re: Road Wander By: Hardie Johnson on Wed, 29 December 2010 20:59
		Re: Road Wonder By: RadioActiveGMC on Mon, 27 December 2010 17:27
		Re: [GMCnet] Road Wonder By: emerystora on Mon, 27 December 2010 17:34
		Re: [GMCnet] Road Wonder By: Steven Ferguson on Tue, 28 December 2010 06:05
		Re: [GMCnet] Road Wonder By: Tim Conway on Tue, 28 December 2010 08:52
		Re: Road Wonder By: RF_Burns on Mon, 27 December 2010 17:44
		Re: Road Wonder By: 1977Production#0001 on Mon, 27 December 2010 17:50
		Re: Road Wonder By: RadioActiveGMC on Mon, 27 December 2010 17:57
		Re: Road Wonder By: C Boyd on Mon, 27 December 2010 18:28
		Re: Road Wonder By: RadioActiveGMC on Mon, 27 December 2010 20:08
		Re: Road Wonder By: C Boyd on Mon, 27 December 2010 20:14
		Re: [GMCnet] Road Wonder By: jimk on Mon, 27 December 2010 20:27
		Re: [GMCnet] Road Wonder By: ljdavick on Tue, 28 December 2010 00:17
		Re: [GMCnet] Road Wonder By: Adrien G. on Tue, 28 December 2010 01:58
		Re: [GMCnet] Road Wonder By: USAussie on Tue, 28 December 2010 04:13
		Re: [GMCnet] Road Wonder By: jayrabe on Tue, 28 December 2010 12:41
		Re: [GMCnet] Road Wonder By: Ken Henderson on Tue, 28 December 2010 13:05
		Re: [GMCnet] Road Wonder By: 980 on Tue, 28 December 2010 13:05
		Re: [GMCnet] Road Wonder By: ljdavick on Tue, 28 December 2010 13:17
		[GMCnet] Tru-tracks . Was: Re: Road Wonder By: 980 on Tue, 28 December 2010 14:21
		Re: [GMCnet] Tru-tracks . Was: Re: Road Wonder By: WD0AFQ on Tue, 28 December 2010 15:51
		Re: [GMCnet] Road Wonder By: mike miller on Tue, 28 December 2010 15:44
		Re: [GMCnet] Road Wonder By: USAussie on Tue, 28 December 2010 16:25
		Re: [GMCnet] Road Wonder By: Byron Songer on Tue, 28 December 2010 13:14
		Re: Road Wonder By: RadioActiveGMC on Mon, 27 December 2010 20:25
		Re: Road Wonder By: RadioActiveGMC on Mon, 27 December 2010 20:34
		Re: Road Wonder By: Keith V on Mon, 27 December 2010 21:08
		Re: Road Wonder By: RadioActiveGMC on Mon, 27 December 2010 21:11
		Re: [GMCnet] Road Wonder By: Dennis S on Mon, 27 December 2010 21:26
		Re: Road Wonder By: RadioActiveGMC on Tue, 28 December 2010 10:13
		Re: Road Wonder By: WD0AFQ on Tue, 28 December 2010 10:34
		Re: Road Wonder By: roy1 on Tue, 28 December 2010 11:47
		Re: [GMCnet] Road Wonder By: Steven Ferguson on Thu, 30 December 2010 05:56
		Re: Road Wonder By: Keith V on Tue, 28 December 2010 11:15
		Re: Road Wonder By: RadioActiveGMC on Tue, 28 December 2010 11:51
		Re: Road Wonder By: Ernest Dankert on Tue, 28 December 2010 12:32
		Re: Road Wonder By: RadioActiveGMC on Tue, 28 December 2010 21:32
		Re: [GMCnet] Road Wonder By: USAussie on Tue, 28 December 2010 21:56
		Re: Road Wonder By: RadioActiveGMC on Tue, 28 December 2010 22:13
		Re: Road Wonder By: 1977Production#0001 on Tue, 28 December 2010 23:38
		Re: Road Wonder By: RadioActiveGMC on Wed, 29 December 2010 16:55
		Re: Road Wonder By: 1977Production#0001 on Wed, 29 December 2010 17:11
		Re: Road Wonder By: RadioActiveGMC on Wed, 29 December 2010 17:39
		Re: [GMCnet] Road Wonder By: jayrabe on Wed, 29 December 2010 18:07
		Re: Road Wonder By: RadioActiveGMC on Wed, 29 December 2010 19:48
		Re: [GMCnet] Road Wonder By: USAussie on Wed, 29 December 2010 20:42
		Re: Road Wonder By: 1977Production#0001 on Thu, 30 December 2010 07:54
		Re: Road Wonder By: RadioActiveGMC on Wed, 29 December 2010 20:55
		Re: Road Wonder By: RadioActiveGMC on Wed, 29 December 2010 21:48
		Re: Road Wonder By: RadioActiveGMC on Thu, 30 December 2010 09:15
		Re: Road Wonder By: LNelson on Thu, 30 December 2010 09:24
		[GMCnet] Why GM quit the GMCMH... Re: Road Wonder By: 980 on Thu, 30 December 2010 10:01
		Re: [GMCnet] Why GM quit the GMCMH... Re: Road Wonder By: jimk on Thu, 30 December 2010 14:15
		Re: [GMCnet] Why GM quit the GMCMH... Re: Road Wonder By: Bryan Davies on Thu, 30 December 2010 17:46
		Re: [GMCnet] Why GM quit the GMCMH... Re: Road Wonder By: Byron Songer on Thu, 30 December 2010 17:49
		Re: [GMCnet] Why GM quit the GMCMH... Re: Road Wonder By: emerystora on Thu, 30 December 2010 18:09
		Re: [GMCnet] Why GM quit the GMCMH... Re: Road Wonder By: Steven Ferguson on Fri, 31 December 2010 06:48
		Re: [GMCnet] Why GM quit the GMCMH... Re: Road Wonder By: Byron Songer on Fri, 31 December 2010 08:10
		Re: [GMCnet] Road Wonder By: Steven Ferguson on Thu, 30 December 2010 09:49
		Re: [GMCnet] Road Wonder By: Dennis S on Thu, 30 December 2010 10:06
		Re: [GMCnet] Road Wonder By: Carl S. on Thu, 30 December 2010 11:15
		Re: [GMCnet] Road Wonder By: Dennis S on Thu, 30 December 2010 11:59
		Re: [GMCnet] Road Wonder By: USAussie on Thu, 30 December 2010 19:09
		Re: [GMCnet] Road Wonder By: Steven Ferguson on Fri, 31 December 2010 06:46
		Re: [GMCnet] Road Wonder By: USAussie on Thu, 30 December 2010 19:06
		Re: Road Wonder By: kingd on Fri, 31 December 2010 08:27
		Re: Road Wonder By: RadioActiveGMC on Sun, 02 January 2011 15:50
		Re: [GMCnet] Road Wonder By: Byron Songer on Sun, 02 January 2011 16:23
		Re: Road Wonder By: RadioActiveGMC on Sun, 02 January 2011 18:15
		Re: [GMCnet] Road Wonder By: Kosier on Sun, 02 January 2011 19:57
		Re: Road Wonder By: RadioActiveGMC on Sun, 02 January 2011 20:44
		Re: [GMCnet] Road Wonder By: USAussie on Sun, 02 January 2011 21:34
		Re: Road Wonder By: RadioActiveGMC on Sun, 02 January 2011 22:02
		Re: [GMCnet] Road Wonder By: USAussie on Sun, 02 January 2011 23:19
		Re: Road Wonder By: RadioActiveGMC on Mon, 03 January 2011 08:29
		Re: [GMCnet] Road Wonder By: Charles on Mon, 03 January 2011 08:31
		Re: [GMCnet] Road Wonder By: powerjon on Mon, 03 January 2011 09:34
		Re: [GMCnet] Road Wonder By: USAussie on Mon, 03 January 2011 20:25
		Re: Road Wonder By: gbarrow2 on Mon, 03 January 2011 11:28
		Re: Road Wonder By: Ken Burton on Mon, 03 January 2011 12:32
		Re: [GMCnet] Road Wonder By: USAussie on Mon, 03 January 2011 15:22
		Re: [GMCnet] Road Wonder By: gbarrow2 on Mon, 03 January 2011 16:02
		Re: [GMCnet] Road Wonder By: Steven Ferguson on Wed, 05 January 2011 05:37
		Re: [GMCnet] Road Wonder By: gbarrow2 on Wed, 05 January 2011 08:55
		Re: [GMCnet] Road Wonder By: Steven Ferguson on Wed, 05 January 2011 14:08
		Re: Road Wonder By: RadioActiveGMC on Mon, 03 January 2011 20:49
		Re: [GMCnet] Road Wonder By: USAussie on Mon, 03 January 2011 23:29
		Re: [GMCnet] Road Wonder By: Charles on Tue, 04 January 2011 07:54
		Re: Road Wonder By: RF_Burns on Tue, 04 January 2011 08:08
		Re: [GMCnet] Road Wonder By: emerystora on Tue, 04 January 2011 09:25
		Re: [GMCnet] Road Wonder By: gbarrow2 on Tue, 04 January 2011 11:22
		Re: [GMCnet] Road Wonder By: WD0AFQ on Tue, 04 January 2011 12:22
		Re: [GMCnet] Road Wonder By: emerystora on Tue, 04 January 2011 13:52
		Re: [GMCnet] Road Wonder By: USAussie on Tue, 04 January 2011 18:15
		Re: [GMCnet] Road Wonder By: ljdavick on Tue, 04 January 2011 19:54
		Re: [GMCnet] Road Wonder By: kincaid76royale on Wed, 05 January 2011 06:52
		Re: Road Wonder By: shawnee on Tue, 04 January 2011 10:39
		Re: Road Wonder By: RF_Burns on Tue, 04 January 2011 10:04
		Re: Road Wonder By: RF_Burns on Tue, 04 January 2011 11:13
		Re: Road Wonder By: Bob de Kruyff on Tue, 04 January 2011 12:42
		Re: Road Wonder By: RadioActiveGMC on Tue, 04 January 2011 12:58
		Re: [GMCnet] Road Wonder By: Richard Denney on Tue, 04 January 2011 13:30
		Re: [GMCnet] Road Wonder By: Bob de Kruyff on Tue, 04 January 2011 18:17
		Re: [GMCnet] Road Wonder By: Richard Denney on Tue, 04 January 2011 22:43
		Re: [GMCnet] Road Wonder By: Bob de Kruyff on Wed, 05 January 2011 01:31
		Re: [GMCnet] Road Wonder By: Ken Henderson on Wed, 05 January 2011 18:23
		Re: [GMCnet] Road Wonder By: Byron Songer on Thu, 06 January 2011 22:04
		Re: Road Wonder By: Bob de Kruyff on Tue, 04 January 2011 18:13

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