Good Sam Club Open Roads Forum: Travel Trailers: Jacking For Tire Change
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 > Jacking For Tire Change

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klutchdust

Orange, California

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Posted: 08/04/22 09:01am Link  |  Quote  |  Print  |  Notify Moderator

Grit dog wrote:

Literally one the most universally competent places to jack up about any solid axle is under the spring perches or u bolts.
There is nothing special about any of the probably 100 different trailers that I’ve tossed a jack under for one reason or another, that I’ve seen.
In general, if you support it there or under the frame (within reason) and something gets damaged, it wasn’t going to last anyway.
As always common sense applies. If you have a 3000lb buggy sitting over the axles of a toyhauler and you jack up the back corner of the frame, or something like that, you may tweak something.


Trailer axles are not solid, they are pipe. Notice the wiring that travels through some applications. Schedule 80 is common.

BB_TX

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Posted: 08/04/22 09:28am Link  |  Quote  |  Print  |  Notify Moderator

Between the U bolts is not going to bend an axle. People have been doing that for ages and I don’t remember anyone ever saying they bent their axle. Gets the tire off the ground with least amount of lift. If anyone thinks otherwise please tell me the physics of how that will bend the axle.

They make special “cradles” to fit bottle jacks for that purpose if you want extra support. I never used one.

I would be more concerned about using a ramp putting double the normal weight on the other one tire, wheel, and axle.

time2roll

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Posted: 08/04/22 10:02am Link  |  Quote  |  Print  |  Notify Moderator

theoldwizard1 wrote:

Ramp/"trailer aid" looks to be a good solution.

I would still carry Powerbuilt 3 Ton, Bottle Jack and Jack Stands All-in-1

[image]
Will 11" get under the axle with a flat tire?


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Lwiddis

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Posted: 08/04/22 10:21am Link  |  Quote  |  Print  |  Notify Moderator

"Ramp under other tire might work, but will need to be pretty steep with some trailers. Now the most risky time is when you get wheel off, discover you need up just little more to get the other on..."

Horror stories that I have never experienced or seen. It works every time and doesn't need to be that steep.


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Grit dog

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Posted: 08/04/22 10:52am Link  |  Quote  |  Print  |  Notify Moderator

klutchdust wrote:


Trailer axles are not solid, they are pipe. Notice the wiring that travels through some applications. Schedule 80 is common.


I was referring to the accepted terminology of "solid axle" where both wheels are rigidly connected to each other.
Just for clarity, as I thought that was a commonly used term. Has nothing to do with whether the axle is tubular or not.[emoticon]


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Grit dog

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Posted: 08/04/22 10:58am Link  |  Quote  |  Print  |  Notify Moderator

BB_TX wrote:

Between the U bolts is not going to bend an axle. People have been doing that for ages and I don’t remember anyone ever saying they bent their axle. Gets the tire off the ground with least amount of lift. If anyone thinks otherwise please tell me the physics of how that will bend the axle.

They make special “cradles” to fit bottle jacks for that purpose if you want extra support. I never used one.

I would be more concerned about using a ramp putting double the normal weight on the other one tire, wheel, and axle.


I wouldn't have the least worry about either method....
It's about necessity or convenience.
Side of the road flat tire, if I have enough lumber or rocks to ramp up and change a tire, that may be the most efficient.
Repair or service work in a controlled environment, or if nothing available to ramp up for a quick tire change, then jacking and/or jack stands under axle and/or frame may be the best option.

Glad my kids won't be asking how to change a tire when they get older.....
That's like one of the top 5 things that men should know how to do...right behind, spitting, farmer blow their nose, change the oil in the car and pick out a hot chick at 100 yds out!

Esacnj

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Posted: 08/04/22 10:59am Link  |  Quote  |  Print  |  Notify Moderator

I have owned travel trailers and 5th wheel. 2 different manufacturers and both say jack to the frame either in front of forward wheel or behind rear wheel within couple/few of inches to the wheel. Never to axles or suspension or springs/u bolts.

valhalla360

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Posted: 08/04/22 11:37am Link  |  Quote  |  Print  |  Notify Moderator

Fisherman wrote:

I look at it this way, if the trailer was meant to be rolled up on a lazy trailer aide, then why did they put 2 axles on it with 2 tires? To support the weight, period. Now you're going to shift all that weight to one tire with the suspension completely twisted to achieve that. Don't be lazy, use the appropriate jack.


I see no issue with using a jack at the spring perch but...

Using a ramp on one side is not going to overload the axle/tire. The design loading is based on dynamic loading not static.

A tire hitting a pothole at 65mph is drastically more force applied vs slowly pulling up on one tire.


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ford truck guy

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Posted: 08/04/22 11:54am Link  |  Quote  |  Print  |  Notify Moderator

Quote - "
Glad my kids won't be asking how to change a tire when they get older"

My 2 daughters were NOT allowed to drive until they :
1-could pay for the car, fuel, insurance
2- show me they could change a tire alone


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klutchdust

Orange, California

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Posted: 08/04/22 12:30pm Link  |  Quote  |  Print  |  Notify Moderator

Grit dog wrote:

klutchdust wrote:


Trailer axles are not solid, they are pipe. Notice the wiring that travels through some applications. Schedule 80 is common.


I was referring to the accepted terminology of "solid axle" where both wheels are rigidly connected to each other.
Just for clarity, as I thought that was a commonly used term. Has nothing to do with whether the axle is tubular or not.[emoticon]


In the field of heavy mechanics and machinery the term solid axle and straight axle mean different things. To the layman saying "solid axle" it shows me they know not what they speak of. Trailer axles are straight axles. Then you get into the torsion axles. [emoticon]

When you read comments on forums you can figure out quickly who has actually wrenched on a vehicle and who changed a tire a few times.
If lifting a trailer to change a tire will somehow magically twist or torque the frame then explain how using the leveling jacks at a campsite or driving onto those plastic wedges or boards and having it sit there a week doesn't damage anything.
LOL. We have chained axles up and driven safely many miles without damage to anything. knowing what you are doing makes the difference.

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