Home » Public Forums » GMCnet » Removing Wheels
 Removing Wheels [message #183240] |
Wed, 05 September 2012 20:48  |
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Scooby Doo
Messages: 92
Registered: May 2012
Location: Miami, Florida
Karma: 4
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My 6 tires came in from Discount Tire Direct.
BFGoodrich Commercial T/A 225/75/16
I have decided to start tomorrow.
I want to do the front two first.
I will be using a 3.5 ton steel floor jack (I have 2).
Should I jack it up under the crossmember in the middle and put floor jacks on the frame rails behind the front wheels ?
Or, should I jack it up evenly from the frame rails (2 people) just behind the front wheels and then put the jack stands right next to the floor jacks?
I do not know how the GMC weight is distributed.
Is it even? 6 tons divided by four ?
How large of jack stands do I need to be completely safe ?
I have 3 ton jack stands. I do not want to make them out of 2X4s (although I know its a great jack stand) but I could get as large of the ones that I need to safely work.
Once I get the wheels off and I take them to the tire shop, I need to know how to properly balance the wheel ? I have Alcoa rims.
Are these self centering rims ? (I am not 100% sure what this means)
Can they be balanced with the centering cone or do they need to be bolted to the balancing machine.
I need to know, to make sure it is done correctly.
I have bought new Haltec TV553 stems.
I want to install these myself once the tire is removed.
Should I clean the hole with a scotch brite pad & brake cleaner and install it dry, or add some kind of lube to the rubber grommet?
I would assume I tighten it until the rubber grommet starts to compress.
Remember, I live in Miami. I need to know the correct procedure, because most places around here are not always on top of things(or care).
I will have a bunch more questions once I pull the rear wheels.
I just had a lot of work done to the front end last month at Alex Sirums,(was not 100% comfortable doing that myself), so I will not be doing anything other than the tires on the front end.
Questions:
1)Best way to jack up the front end?
2)Balancing the wheels?
I think I am on the right track, just wanted to run it by you on the Internet, so I will feel as confident as possible. I am sure I will have a few more questions I may have forgot to ask, and also once I dig deeper into this project.
Thank you in advance,
G2... 
Glenn & Elaine Gardner...
Miami, Florida...
1976 Royale (transmode)
TZE366V100733
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| Re: [GMCnet] Removing Wheels [message #183246 is a reply to message #183243] |
Wed, 05 September 2012 21:09  |
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ljdavick
Messages: 3548
Registered: March 2007
Location: Fremont, CA
Karma: -3
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Senior Member |
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Will you be balancing the tires with Equal or traditional weights?
Larry Davick
On Sep 5, 2012, at 7:02 PM, Glenn Gardner <G2photos@aol.com> wrote:
>
>
> I will be doing the work myself on the rear wheels, So I will need it parked in my yard.
> Wheel bearings, brake shoes (maybe) ,flushing the brake fluid.
> It maybe on blocks for several days, depending on what I run into.
> I will be taking my wheels down to the tire shop in my truck.
>
> --
> Glenn & Elaine Gardner...
> Miami, Florida...
> 1976 Royale (transmode)
> TZE366V100733
> _______________________________________________
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Larry Davick
A Mystery Machine
1976(ish) Palm Beach
Fremont, Ca
Howell EFI + EBL + Electronic Dizzy
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| Re: [GMCnet] Removing Wheels [message #183248 is a reply to message #183240] |
Wed, 05 September 2012 21:12 |
k2gkk
Messages: 4452
Registered: November 2009
Karma: -8
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Senior Member |
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Is there a difference between Dicount Tire and
Discount Tire Direct? I bought new tires for my
coach (out of town) when I bought the coach.
Previous owner had chrome steel wheels on the
coach. When I bought XD Rock Star Wheels from
my LOCAL Discount Tire, they included mounting
my slightly used Discount Tire tires on my new
rims with no extra charge.
~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
~~ ~ D C "Mac" Macdonald ~ ~~
~ ~ Amateur Radio - K2GKK ~ ~
~ ~ USAF and FAA, Retired ~ ~
~ ~ ~ Oklahoma City, OK ~ ~ ~
~~ ~ ~ "The Money Pit" ~ ~ ~~
~ ~ ~ ~ TZE166V101966 ~ ~ ~ ~
~ ~ ~ '76 ex-Palm Beach ~ ~ ~
~ www.gmcmhphotos.com/okclb ~
~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
______________
*[ ]~~~[][ ][|\
*--OO--[]---O-*
> To: gmclist@temp.gmcnet.org
> From: G2photos@aol.com
> Date: Wed, 5 Sep 2012 20:48:28 -0500
> Subject: [GMCnet] Removing Wheels
>
> My 6 tires came in from Discount Tire Direct.
> BFGoodrich Commercial T/A 225/75/16
> I have decided to start tomorrow.
> I want to do the front two first.
> I will be using a 3.5 ton steel floor jack (I have 2).
>
> Should I jack it up under the crossmember in the middle and put floor jacks on the frame rails behind the front wheels ?
> Or, should I jack it up evenly from the frame rails (2 people) just behind the front wheels and then put the jack stands right next to the floor jacks?
>
> I do not know how the GMC weight is distributed.
> Is it even? 6 tons divided by four ?
> How large of jack stands do I need to be completely safe ?
> I have 3 ton jack stands. I do not want to make them out of 2X4s (although I know its a great jack stand) but I could get as large of the ones that I need to safely work.
>
> Once I get the wheels off and I take them to the tire shop, I need to know how to properly balance the wheel ? I have Alcoa rims.
> Are these self centering rims ? (I am not 100% sure what this means)
> Can they be balanced with the centering cone or do they need to be bolted to the balancing machine.
> I need to know, to make sure it is done correctly.
>
> I have bought new Haltec TV553 stems.
> I want to install these myself once the tire is removed.
> Should I clean the hole with a scotch brite pad & brake cleaner and install it dry, or add some kind of lube to the rubber grommet?
> I would assume I tighten it until the rubber grommet starts to compress.
>
> Remember, I live in Miami. I need to know the correct procedure, because most places around here are not always on top of things(or care).
>
> I will have a bunch more questions once I pull the rear wheels.
> I just had a lot of work done to the front end last month at Alex Sirums,(was not 100% comfortable doing that myself), so I will not be doing anything other than the tires on the front end.
>
> Questions:
> 1)Best way to jack up the front end?
> 2)Balancing the wheels?
>
> I think I am on the right track, just wanted to run it by you on the Internet, so I will feel as confident as possible. I am sure I will have a few more questions I may have forgot to ask, and also once I dig deeper into this project.
> Thank you in advance,
> G2... :)
>
> --
> Glenn & Elaine Gardner...
> Miami, Florida...
> 1976 Royale (transmode)
> TZE366V100733
_______________________________________________
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Unsubscribe or Change List Options:
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| Re: Removing Wheels [message #183249 is a reply to message #183240] |
Wed, 05 September 2012 21:16 |
Jeff102410
Messages: 18
Registered: February 2012
Location: Arlington, TX
Karma: 0
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Junior Member |
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Not sure this is 100% the way it is suppose to be done, but it is how I do things.
I jack the front of the coach up on the center of the front cross beam, then block on either side of the jack...still on the front cross member.
I jack the rear up on the post between the rear tires. It helps (a lot) if you have one of the jack adapters, but I have done it without one. Once up, I block in front and behind the rear wheels.
If your jacking up the rear without an adapter, you may have to make several bites at it, as the jack seems to start to slip when I've tried to go too far. Jack a bit, then block, jack a bit more, block more...
If the coach has 4000 pounds on the front and 8000 pounds on the rear (4000 pounds on each side). I wind up with 2000 pounds on each block...approximately...
Also, since I'm already talking about it, I have a couple dozen solid concrete blocks that I use, with 2x4's and plywood to go on top of the blocks. Jack it up 4 inches and add a block. Worked on setting up mobile homes as a kid and just like knowing I can keep things "off the ground" if things go "sideways".
[Updated on: Wed, 05 September 2012 22:01] Report message to a moderator |
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| Re: [GMCnet] Removing Wheels [message #183253 is a reply to message #183248] |
Wed, 05 September 2012 21:21 |
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Scooby Doo
Messages: 92
Registered: May 2012
Location: Miami, Florida
Karma: 4
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Member |
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I bought from Discount Tire Direct online.
They are here in my garage.
I use a guy in a warehouse tire store to balance and mount my tires.
I like to put them on and off myself.
This way it gets done to my satisfaction.
I remember reading a story on GMC.net about a member whose GMC fell off a jack at a tire shop and did a bunch of damage.
I want to have as much control of the situation as possible.
Jeff,
Thanks for your input.
Glenn & Elaine Gardner...
Miami, Florida...
1976 Royale (transmode)
TZE366V100733
[Updated on: Wed, 05 September 2012 21:25] Report message to a moderator |
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| Re: Removing Wheels [message #183261 is a reply to message #183240] |
Wed, 05 September 2012 22:03 |
C Boyd
Messages: 2629
Registered: April 2006
Karma: 18
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Senior Member |
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Sir: I would jack up from center of crossmenber with one 3 1/2 ton floor jack and put 2 hd jack stands beside the jack on the crossmenber as far out as to get most stable contact. When you jack from center the coach should come up equally on both sides meaning the rear is balanced. If the coach comes up crooked by jacking in the middle usually the rear suspension has compensated for a front weight difference to hold the coach at ride height and needs to be checked.
http://www.gmcmhphotos.com/photos/crestmont/p35382-time-for-a-break.html
I borrow the neighbors floor jack to do the rears both at the same time from under the bogies.
Yes clean the holes for the new valve stem and the tire shop has tire soap to lube the rubber before installing.
If the wheels have the flat washers on the lug nuts and the big center hole is a match they are hub centered, if they have a shoulder on the lug nut that goes inside a hole in the rim with a seperate washer or it has cone shaped contact surface they are lug centered wheels.
| Scooby Doo wrote on Wed, 05 September 2012 21:48 |
My 6 tires came in from Discount Tire Direct.
BFGoodrich Commercial T/A 225/75/16
I have decided to start tomorrow.
I want to do the front two first.
I will be using a 3.5 ton steel floor jack (I have 2).
Should I jack it up under the crossmember in the middle and put floor jacks on the frame rails behind the front wheels ?
Or, should I jack it up evenly from the frame rails (2 people) just behind the front wheels and then put the jack stands right next to the floor jacks?
I do not know how the GMC weight is distributed.
Is it even? 6 tons divided by four ?
How large of jack stands do I need to be completely safe ?
I have 3 ton jack stands. I do not want to make them out of 2X4s (although I know its a great jack stand) but I could get as large of the ones that I need to safely work.
Once I get the wheels off and I take them to the tire shop, I need to know how to properly balance the wheel ? I have Alcoa rims.
Are these self centering rims ? (I am not 100% sure what this means)
Can they be balanced with the centering cone or do they need to be bolted to the balancing machine.
I need to know, to make sure it is done correctly.
I have bought new Haltec TV553 stems.
I want to install these myself once the tire is removed.
Should I clean the hole with a scotch brite pad & brake cleaner and install it dry, or add some kind of lube to the rubber grommet?
I would assume I tighten it until the rubber grommet starts to compress.
Remember, I live in Miami. I need to know the correct procedure, because most places around here are not always on top of things(or care).
I will have a bunch more questions once I pull the rear wheels.
I just had a lot of work done to the front end last month at Alex Sirums,(was not 100% comfortable doing that myself), so I will not be doing anything other than the tires on the front end.
Questions:
1)Best way to jack up the front end?
2)Balancing the wheels?
I think I am on the right track, just wanted to run it by you on the Internet, so I will feel as confident as possible. I am sure I will have a few more questions I may have forgot to ask, and also once I dig deeper into this project.
Thank you in advance,
G2...
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C. Boyd
76 Crestmont
East Tennessee
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| Re: Removing Wheels [message #183264 is a reply to message #183240] |
Wed, 05 September 2012 22:35 |
Ken Burton
Messages: 10030
Registered: January 2004
Location: Hebron, Indiana
Karma: 10
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Senior Member |
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You can jack the front by raising the coach with the jack in the center. You can support the front with jack stands placed at the point where the two frames overlap (main frame and front clip). You can alternatively support the front wheels by sliding a jack stand or blocking material under the front A-frames.
On the rears, you can jack each side up (one at a time) and support the frame with jack stands or with blocking under the center support for the bogies.
I prefer to do the rears differently. I air up the bags as far as they will go. Then I slide a stack of 2x4 or 2x6's under the bogie center support. Then I drop the coach on the supports and disconnect the air line to the bag. Now the wheels will slide right off and you will never over extend / over collapse the shocks. With the air line disconnected it is easy to move the bogie arms up and down by hand during re-installation.
Ken Burton - N9KB
76 Palm Beach
Hebron, Indiana
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| Re: Removing Wheels [message #183270 is a reply to message #183240] |
Wed, 05 September 2012 23:40 |
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mike miller
Messages: 3576
Registered: February 2004
Location: Hillsboro, Oregon
Karma: 0
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Senior Member |
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| Scooby Doo wrote on Wed, 05 September 2012 18:48 |
...
I do not know how the GMC weight is distributed.
Is it even? 6 tons divided by four ?
How large of jack stands do I need to be completely safe ?
I have 3 ton jack stands. I do not want to make them out of 2X4s (although I know its a great jack stand) but I could get as large of the ones that I need to safely work. ...
... Once I get the wheels off and I take them to the tire shop, I need to know how to properly balance the wheel ? I have Alcoa rims. Are these self centering rims ? ...
|
The weight on most GMC's are a little over 2000lbs on each front wheel and a little under 2000lbs on each rear wheel. Fairly much even.... as these things go. (My 26 foot was about 2200 on the fronts and 1750 on each rear.) Four jack stands rated at 3 tons (each) should easily handle the load... on firm ground.
I also jack the rear of my coach as KenB discribes. I normally do not disconnect the air line but leave the air system in "lower" when lifting the wheel. I normally just use a jack to lift the wheel and prop the boggie up durng the wheel swap.
I use the air-soft beads on my coach... work well. I do NOT like them in smaller rigs that see a lot of stop and go driving.
By self-centering do you mean "hub" centered? The orignal steel wheels and most Alcoa wheels found on our coaches are hub centered. IE: The pilot hole in the center of the wheel is the same size as the shape in the center of the hub... centering the wheel so it doesn't give you an out-of round condition. Other wheels use other methods to center the wheel mostly dealing with a shaped lug nut matching a shape in the wheel. (Coned lug nuts found on most cars are one example.) I have Eagle wheels that use a sleeve shaped lug nut.
So, to answer your question: Look at your nuts.
errr.. lug nuts that is.
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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| Re: [GMCnet] Removing Wheels [message #183273 is a reply to message #183270] |
Wed, 05 September 2012 23:55 |
sgltrac
Messages: 2797
Registered: April 2011
Karma: 1
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Senior Member |
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For cheap safe support of the coach you can't beat chunks of dimensional lumber scraps like glue lam beam ends or stacks of 4x6 and such. They won't fail and they are naturally grippy so coach won't be as likely to slide on them if it shifts while you are jacking around.
My 2cents
Sully
77 royale
Sent from my iPhone
On Sep 5, 2012, at 9:40 PM, Mike Miller <m000035@gmail.com> wrote:
>
>
> Scooby Doo wrote on Wed, 05 September 2012 18:48
>> ...
>> I do not know how the GMC weight is distributed.
>> Is it even? 6 tons divided by four ?
>> How large of jack stands do I need to be completely safe ?
>> I have 3 ton jack stands. I do not want to make them out of 2X4s (although I know its a great jack stand) but I could get as large of the ones that I need to safely work. ...
>>
>> ... Once I get the wheels off and I take them to the tire shop, I need to know how to properly balance the wheel ? I have Alcoa rims. Are these self centering rims ? ...
>
>
> The weight on most GMC's are a little over 2000lbs on each front wheel and a little under 2000lbs on each rear wheel. Fairly much even.... as these things go. (My 26 foot was about 2200 on the fronts and 1750 on each rear.) Four jack stands rated at 3 tons (each) should easily handle the load... on firm ground.
>
> I also jack the rear of my coach as KenB discribes. I normally do not disconnect the air line but leave the air system in "lower" when lifting the wheel. I normally just use a jack to lift the wheel and prop the boggie up durng the wheel swap.
>
> I use the air-soft beads on my coach... work well. I do NOT like them in smaller rigs that see a lot of stop and go driving.
>
> By self-centering do you mean "hub" centered? The orignal steel wheels and most Alcoa wheels found on our coaches are hub centered. IE: The pilot hole in the center of the wheel is the same size as the shape in the center of the hub... centering the wheel so it doesn't give you an out-of round condition. Other wheels use other methods to center the wheel mostly dealing with a shaped lug nut matching a shape in the wheel. (Coned lug nuts found on most cars are one example.) I have Eagle wheels that use a sleeve shaped lug nut.
>
> So, to answer your question: Look at your nuts.
>
> errr.. lug nuts that is.
> --
> Mike Miller -- Hillsboro, OR -- on the Black list
> (#1)'73 26' exPainted D. -- (#2)`78 23' Birchaven Rear Bath -- (#3)`77 23' Birchaven Side Bath
> http://m000035.blogspot.com
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
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Sully
77 Royale basket case.
Future motorhome land speed record holder(bucket list)
Seattle, Wa.
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| Re: Removing Wheels [message #183275 is a reply to message #183270] |
Thu, 06 September 2012 01:58 |
Ken Burton
Messages: 10030
Registered: January 2004
Location: Hebron, Indiana
Karma: 10
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Senior Member |
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Mike,
I have the Electro Level I system. With that system, leaving it in "lower" to get the desired results requires the ignition key to be on. I believe in the Power Level system you can leave it in lower with the key off.
If you have a Power Level system you might confirm for me that the valves work all the time whether the ignition is on or off.
It only takes 30 seconds for me to pull the hose connection at the bag.
Ken Burton - N9KB
76 Palm Beach
Hebron, Indiana
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| Re: Removing Wheels [message #183283 is a reply to message #183275] |
Thu, 06 September 2012 05:05 |
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mike miller
Messages: 3576
Registered: February 2004
Location: Hillsboro, Oregon
Karma: 0
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Senior Member |
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| Ken Burton wrote on Wed, 05 September 2012 23:58 |
...
If you have a Power Level system you might confirm for me that the valves work all the time whether the ignition is on or off.
It only takes 30 seconds for me to pull the hose connection at the bag.
|
Ken,
I have one of each type of system.
Other than the air pump and pressure switch, the Power Level system does not have any electrical parts. (That is why RobM likes it so much.)
So... it will stay in lower, and vent the bags, as long as the valves are in that position. Key or no key.
For the other coaches (and other systems) It takes me longer than 30 seconds to find a wrench to loosen the fitting!
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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| Re: Removing Wheels [message #183284 is a reply to message #183283] |
Thu, 06 September 2012 05:17 |
Ken Burton
Messages: 10030
Registered: January 2004
Location: Hebron, Indiana
Karma: 10
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Senior Member |
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| Mike Miller wrote on Thu, 06 September 2012 05:05 |
| Ken Burton wrote on Wed, 05 September 2012 23:58 |
...
If you have a Power Level system you might confirm for me that the valves work all the time whether the ignition is on or off.
It only takes 30 seconds for me to pull the hose connection at the bag.
|
Ken,
I have one of each type of system.
Other than the air pump and pressure switch, the Power Level system does not have any electrical parts. (That is why RobM likes it so much.)
So... it will stay in lower, and vent the bags, as long as the valves are in that position. Key or no key.
For the other coaches (and other systems) It takes me longer than 30 seconds to find a wrench to loosen the fitting!
|
Thanks Mike. After your first post I thought that might be true for Power Level systems.
If I give you 60 instead of 30 seconds to loosen the hose would that make you happy. I did not include the time it takes to find the wrench in the first place.
Ken Burton - N9KB
76 Palm Beach
Hebron, Indiana
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