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Strange Vibrations [message #245355]

Thu, 27 March 2014 15:42

BRDRVR

Messages: 184
Registered: July 2013
Location: Clearwater, FL-Gerlach,NV

Karma: 8

Senior Member

I just picked up a 76 Palm Beach in north Florida that hasnt been started in over 9 years. Managed to get her running on a jump tank had to tap the carb a couple times to unstick the float. Put some new tires on her and changed the oil and she ran great with no problems at all. With the 9 Gallon jump tank I was getting 100 miles to the tank which put her at around 11 miles a gallon. I was feeling a vibration tho. It would go back and forth. Id feel it for around 2 seconds in my butt on the seat and then 2 seconds at my feet on the floor. It would start around 50 thru 65. It did not get worse the faster I went but I only felt the vibrations when I was under throttle. If I back off the pedal going down a hill it would disappear. The tires I was using were all balanced but they are the same ones that I use to transport all of my coaches back to Florida so they may have gotten out of balance. I havent had any experience with bearings in these coaches or with the half axles. Anybody have any input?
Thanx. David

David Gourdine http//www.blackrockdesertrvrental.com booking@blackrockdesertrvrental.com 727-657-1955

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Re: Strange Vibrations [message #245356 is a reply to message #245355]

Thu, 27 March 2014 15:50

cbwoodsr

Messages: 1063
Registered: February 2004

Karma: 0

Senior Member

...but I only felt the vibrations when I was under throttle

DriveShaft(s) ???

CBWood
77 Kingslay
MWC OK
ONLINE PARTS PROGRAM
www.GMCMHParts.com

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Re: Strange Vibrations [message #245358 is a reply to message #245355]

Thu, 27 March 2014 15:56

BRDRVR

Messages: 184
Registered: July 2013
Location: Clearwater, FL-Gerlach,NV

Karma: 8

Senior Member

That is what I was thinking. Every hundred miles I checked the hubs by touch for high heat but they never felt warm to the touch.
I do have one coach in Nevada that is in need of shafts as the boots were torn and I can defiantly feel it.

David Gourdine http//www.blackrockdesertrvrental.com booking@blackrockdesertrvrental.com 727-657-1955

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Re: Strange Vibrations [message #245362 is a reply to message #245355]

Thu, 27 March 2014 16:11

lqqkatjon

Messages: 2324
Registered: October 2010
Location: St. Cloud, MN

Karma: 5

Senior Member

what an adventure. How many have you now drove cross country now?

I would think more suspension/ball joint, tie rod, ect. or tires.

I would think if it was axles, you could feel it more so in your slow speed turns.

Jon Roche 75 palm beach EBL EFI, manny headers, Micro Level, rebuilt most of coach now. St. Cloud, MN http://lqqkatjon.blogspot.com/

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Re: Strange Vibrations [message #245373 is a reply to message #245355]

Thu, 27 March 2014 17:09

BRDRVR

Messages: 184
Registered: July 2013
Location: Clearwater, FL-Gerlach,NV

Karma: 8

Senior Member

To rule out the tires Im going to have them all re-balanced and take her for a spin in hopes that that was it. I have 8 coaches out in Nevada now that I own. I also have 2 units that I have brokered deals for for current renters that have researched the GMC and decided to buy on for themselves. The last week of June I am transporting 9or10 out there. I am looking for volunteers to make to trip from Florida to Nevada if your interested.

David Gourdine http//www.blackrockdesertrvrental.com booking@blackrockdesertrvrental.com 727-657-1955

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Re: [GMCnet] Strange Vibrations [message #245395 is a reply to message #245373]

Thu, 27 March 2014 18:54

USAussie

Messages: 15912
Registered: July 2007
Location: Sydney, Australia

Karma: 6

Senior Member

David,

I'd suggest you consider going to eBay and buying the four (4) oz packs of Counteract for $40. Take the wheels to a shop and have
them strip the balance weights; break the beads and toss one four (4) oz bag in each wheel plus one oz more (divide the two extra 4
oz bags into eight 1 oz "piles). That will be the last time you have to mess with these wheels.

http://www.ebay.com/itm/Counteract-Balancing-Beads-4-Ounce-Box-Of-10-/321358648631?pt=Motors_Car_Truck_Parts_Accessories&hash=item4a
d277d537&vxp=mtr#ht_234wt_922

Regards,
Rob M.
Sydney, Australia
AUS '75 Avion - The Blue Streak TZE365V100428
USA '75 Avion - Double Trouble TZE365V100426

-----Original Message-----
From: David Gourdine

To rule out the tires Im going to have them all re-balanced and take her for a spin in hopes that that was it. I have 8 coaches out
in Nevada now that I own. I also have 2 units that I have brokered deals for for current renters that have researched the GMC and
decided to buy on for themselves. The last week of June I am transporting 9or10 out there. I am looking for volunteers to make to
trip from Florida to Nevada if your interested.
--
David Gourdine

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Regards, Rob M. (USAussie) The Pedantic Mechanic Sydney, Australia '75 Avion - AUS - The Blue Streak TZE365V100428 '75 Avion - USA - Double Trouble TZE365V100426

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Re: [GMCnet] Strange Vibrations [message #245396 is a reply to message #245395]

Thu, 27 March 2014 19:05

mickeysss

Messages: 1476
Registered: January 2012

Karma: 0

Senior Member

the most dangerous and worst possible could be that the drive shaft bolts are loose. those really important that back off some times

if your bearings are going out i read some where. someone stated that they drove 500 miles and then they would get loose and then he would drive 500 miles and have to tighten them again, then he found the reason was the bearing was going out.

this would be a good thing to check and they must be new if you ever take them loose again and jimk is the only person that has them for they are tappered or something. ...

mickey anaheim ca. 77 palm playa. good luck

On Mar 27, 2014, at 4:54 PM, Robert Mueller wrote:

> David,
>
> I'd suggest you consider going to eBay and buying the four (4) oz packs of Counteract for $40. Take the wheels to a shop and have
> them strip the balance weights; break the beads and toss one four (4) oz bag in each wheel plus one oz more (divide the two extra 4
> oz bags into eight 1 oz "piles). That will be the last time you have to mess with these wheels.
>
> http://www.ebay.com/itm/Counteract-Balancing-Beads-4-Ounce-Box-Of-10-/321358648631?pt=Motors_Car_Truck_Parts_Accessories&hash=item4a
> d277d537&vxp=mtr#ht_234wt_922
>
> Regards,
> Rob M.
> Sydney, Australia
> AUS '75 Avion - The Blue Streak TZE365V100428
> USA '75 Avion - Double Trouble TZE365V100426
>
> -----Original Message-----
> From: David Gourdine
>
> To rule out the tires Im going to have them all re-balanced and take her for a spin in hopes that that was it. I have 8 coaches out
> in Nevada now that I own. I also have 2 units that I have brokered deals for for current renters that have researched the GMC and
> decided to buy on for themselves. The last week of June I am transporting 9or10 out there. I am looking for volunteers to make to
> trip from Florida to Nevada if your interested.
> --
> David Gourdine
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist

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Re: [GMCnet] Strange Vibrations [message #245397 is a reply to message #245395]

Thu, 27 March 2014 19:17

BRDRVR

Messages: 184
Registered: July 2013
Location: Clearwater, FL-Gerlach,NV

Karma: 8

Senior Member

Rob. How long have you been using that counteract? Aluminum and steel?

David Gourdine http//www.blackrockdesertrvrental.com booking@blackrockdesertrvrental.com 727-657-1955

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Re: Strange Vibrations [message #245401 is a reply to message #245355]

Thu, 27 March 2014 19:44

Bob de Kruyff

Messages: 4260
Registered: January 2004
Location: Chandler, AZ

Karma: 1

Senior Member

BRDRVR wrote on Thu, 27 March 2014 14:42

I just picked up a 76 Palm Beach in north Florida that hasnt been started in over 9 years. Managed to get her running on a jump tank had to tap the carb a couple times to unstick the float. Put some new tires on her and changed the oil and she ran great with no problems at all. With the 9 Gallon jump tank I was getting 100 miles to the tank which put her at around 11 miles a gallon. I was feeling a vibration tho. It would go back and forth. Id feel it for around 2 seconds in my butt on the seat and then 2 seconds at my feet on the floor. It would start around 50 thru 65. It did not get worse the faster I went but I only felt the vibrations when I was under throttle. If I back off the pedal going down a hill it would disappear. The tires I was using were all balanced but they are the same ones that I use to transport all of my coaches back to Florida so they may have gotten out of balance. I havent had any experience with bearings in these coaches or with the half axles. Anybody have any input?
Thanx. David

If it is worse under throttle, it won't be tires. I suspect the U-joints or a ground out in the mounts.

Bob de Kruyff
78 Eleganza
Chandler, AZ

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Re: [GMCnet] Strange Vibrations [message #245402 is a reply to message #245397]

Thu, 27 March 2014 19:44

USAussie

Messages: 15912
Registered: July 2007
Location: Sydney, Australia

Karma: 6

Senior Member

David,

Ken Frey put Equal in all the new Kumho KL-78 225/75-16 tires mounted on Double Troubles Alcoa wheels back in 2008 which was about
30,000 miles ago. It worked fine, the only thing you will notice that when you come to a stop and first start rolling you get a bit
of a shake until the beads "find" the right spot.

Last summer I mounted two new Kumho's on the front wheels, one was brand new the second was a spare that was 5 years old (another
story). We drove from Houston over to New Orleans and when we got a bit past Paterson, LA I felt a vibration and noticed that
Helen's left leg was "vibrating" as well. I slowed down to 50 and made it into the campgrounds. The next day I jacked up the front
end, and had Helen start the engine and put it in drive. I was on the driver side and that wheel / tire were fine. I walked around
to the passenger side and noticed a big lump that came around with each rotation; tread separation obviously. I called Progressive
and they sent out a guy to help me R&R the tire. I then ordered a new tire to be delivered to Robin Hood's home in Jackson, MS. I
knew I needed some Equal to put in the new tire so I stopped at a truck stop. They did not have Equal but they did have a 10oz bag
of Counteract so I bought it and split it into 2 five oz packs. I liked the idea of glass beads as opposed to Equal's polymer. When
I got to Robin's home I took both front tires to a local shop, had them both removed from the rims, the Equal vacuumed out and the
Counteract put in. The Counteract seemed to "find its spot" quicker than the Equal. I am going to order enough Counteract to replace
the Equal when I replace the tires.

Regards,
Rob M.
Sydney, Australia
AUS '75 Avion - The Blue Streak TZE365V100428
USA '75 Avion - Double Trouble TZE365V100426

-----Original Message-----
From: gmclist-bounces@temp.gmcnet.org [mailto:gmclist-bounces@temp.gmcnet.org] On Behalf Of David Gourdine
Sent: Friday, March 28, 2014 11:17 AM
To: gmclist@temp.gmcnet.org
Subject: Re: [GMCnet] Strange Vibrations

Rob. How long have you been using that counteract? Aluminum and steel?
--
David Gourdine
blackrockdesertrvrental.com
LORETTA TZE166V102963
SIERRA TZE063V102185
MATILDA TZE366V100319
JAIME TZE033V102096
KAYLA TZE165V101047
SHELLY TZE166V102200
JOCELYN TZE167V100896
NATALIE TZE063V101599
ALANAH TZE168V101562

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Regards, Rob M. (USAussie) The Pedantic Mechanic Sydney, Australia '75 Avion - AUS - The Blue Streak TZE365V100428 '75 Avion - USA - Double Trouble TZE365V100426

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Re: Strange Vibrations [message #245416 is a reply to message #245373]

Thu, 27 March 2014 20:20

Jim Galbavy

Messages: 1443
Registered: August 2007

Karma: 7

Senior Member

David,

I helped JimB deliver a coach to LA and then retrieve a GMC in LA and drive it to Orlando. Coast to coast on I-10, the trip that would never end.

jim galbavy
'73 x-CL ANNIE
Lake Mary, FL

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Re: [GMCnet] Strange Vibrations [message #245424 is a reply to message #245395]

Thu, 27 March 2014 21:00

mikethebike

Messages: 331
Registered: January 2014

Karma: 0

Senior Member

I run 3oz of Dyna Beads in my motorcycle tires...I'm thinking it will take more than 4oz for whatever is his problem.

USAussie wrote on Thu, 27 March 2014 18:54

David,

I'd suggest you consider going to eBay and buying the four (4) oz packs of Counteract for $40. Take the wheels to a shop and have
them strip the balance weights; break the beads and toss one four (4) oz bag in each wheel plus one oz more (divide the two extra 4
oz bags into eight 1 oz "piles). That will be the last time you have to mess with these wheels.

http://www.ebay.com/itm/Counteract-Balancing-Beads-4-Ounce-Box-Of-10-/321358648631?pt=Motors_Car_Truck_Parts_Accessories&hash=item4a
d277d537&vxp=mtr#ht_234wt_922

Regards,
Rob M.
Sydney, Australia
AUS '75 Avion - The Blue Streak TZE365V100428
USA '75 Avion - Double Trouble TZE365V100426

-----Original Message-----
From: David Gourdine

To rule out the tires Im going to have them all re-balanced and take her for a spin in hopes that that was it. I have 8 coaches out
in Nevada now that I own. I also have 2 units that I have brokered deals for for current renters that have researched the GMC and
decided to buy on for themselves. The last week of June I am transporting 9or10 out there. I am looking for volunteers to make to
trip from Florida to Nevada if your interested.
--
David Gourdine

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Re: [GMCnet] Strange Vibrations [message #245431 is a reply to message #245424]

Thu, 27 March 2014 21:10

A Hamilto

Messages: 4508
Registered: April 2011

Karma: 39

Senior Member

mikethebike wrote on Thu, 27 March 2014 21:00

I run 3oz of Dyna Beads in my motorcycle tires...I'm thinking it will take more than 4oz for whatever is his problem.

I looked on the website for one of the balancing bead companies and it said 4 ounces for a 225/70R16 tire. So that's what I put in mine.

There was someone on the net that said he did the same. One tire vibrated. He took it to a tire place and had the beads removed and the wheel balanced with static weights.

It took 6 ounces to balance that tire.

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Re: [GMCnet] Strange Vibrations [message #245444 is a reply to message #245397]

Thu, 27 March 2014 22:33

Ken Henderson

Messages: 8726
Registered: March 2004
Location: Americus, GA

Karma: 9

Senior Member

David,

I've been using 4 oz of Counteract in 225-75 x 16's for at least 10 years
with never an imbalance nor any other related problem. Since it's just
tiny glass balls, no chance of any chemical reaction with any wheel.

If 4 oz won't balance a tire of that size, it shouldn't be used anyway,
IMHO.

Ken H.

On Thu, Mar 27, 2014 at 7:17 PM, David Gourdine wrote:

>
>
> Rob. How long have you been using that counteract? Aluminum and steel?
> --
>
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Ken Henderson
Americus, GA
www.gmcwipersetc.com
Large Wiring Diagrams
76 X-Birchaven
76 X-Palm Beach

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Re: [GMCnet] Strange Vibrations [message #245446 is a reply to message #245444]

Thu, 27 March 2014 22:42

Bob de Kruyff

Messages: 4260
Registered: January 2004
Location: Chandler, AZ

Karma: 1

Senior Member

Ken Henderson wrote on Thu, 27 March 2014 21:33

David,

I've been using 4 oz of Counteract in 225-75 x 16's for at least 10 years
with never an imbalance nor any other related problem. Since it's just
tiny glass balls, no chance of any chemical reaction with any wheel.

If 4 oz won't balance a tire of that size, it shouldn't be used anyway,
IMHO.

Ken H.

On Thu, Mar 27, 2014 at 7:17 PM, David Gourdine wrote:

>Ken--how do you rationalize tire imbalance as the issue when the condition is throttle sensitive?
>
> Rob. How long have you been using that counteract? Aluminum and steel?
> --
>
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Bob de Kruyff
78 Eleganza
Chandler, AZ

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Re: [GMCnet] Strange Vibrations [message #245474 is a reply to message #245446]

Fri, 28 March 2014 07:36

Ken Henderson

Messages: 8726
Registered: March 2004
Location: Americus, GA

Karma: 9

Senior Member

Bob,

That was intended as a generic endorsement of Counteract for everyone, not
a comment on any specific condition.

Fact is, I'd probably be swapping axles side-to-side to see if that helped.
If not, then...???

Ken H.

On Thu, Mar 27, 2014 at 10:42 PM, Bob de Kruyff wrote:

>
>
> Ken Henderson wrote on Thu, 27 March 2014 21:33
> > David,
> >
> > I've been using 4 oz of Counteract in 225-75 x 16's for at least 10
> years
> > with never an imbalance nor any other related problem. Since it's just
> > tiny glass balls, no chance of any chemical reaction with any wheel.
> >
> > If 4 oz won't balance a tire of that size, it shouldn't be used anyway,
> > IMHO.
> >
> > Ken H.
> >
> >
> > On Thu, Mar 27, 2014 at 7:17 PM, David Gourdine wrote:
> >
> > >Ken--how do you rationalize tire imbalance as the issue when the
> condition is throttle sensitive?
> > >
> > > Rob. How long have you been using that counteract? Aluminum and steel?
> > > --
>
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Ken Henderson
Americus, GA
www.gmcwipersetc.com
Large Wiring Diagrams
76 X-Birchaven
76 X-Palm Beach

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