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Old 06-15-2015, 02:10 PM   #11
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I jack up on the frame between the axles on my Torsion axles. I also have the trailer on the pin on the truck. I do not trust the landing gear to take all the weight on one side, my trailer is parked on a incline as well.
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Old 06-15-2015, 04:21 PM   #12
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Is there a Good Sam official on this site? With a lot of members having Good Sam Road Assistance . . . how do they do it when they get a call?
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Old 06-15-2015, 04:38 PM   #13
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Here is what put it in perspective for me. The axle tubes are 3/16, 1/4 and 5/16 inch thick for the 5000, 6000, and 7000 lb axles respectively. These are not heavy tubes but can withstand jacking near the wheel on if a block is used so single point contact is not made. I put a block under the u bolts and jack away with a bottle jack or use my floor jack at the same location.
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Old 06-15-2015, 04:41 PM   #14
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Originally Posted by palmetto rogue View Post
Here is what put it in perspective for me. The axle tubes are 3/16, 1/4 and 5/16 inch thick for the 5000, 6000, and 7000 lb axles respectively. These are not heavy tubes but can withstand jacking near the wheel on if a block is used so single point contact is not made. I put a block under the u bolts and jack away with a bottle jack or use my floor jack at the same location.
Only good for spring suspensions, won't work on torsion suspensions.
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Old 06-15-2015, 07:57 PM   #15
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I jack under the ubolts and use a flat piece of metal between the two
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Old 06-15-2015, 08:40 PM   #16
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The frame is not stong enough??

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My mechanic advises to jack on the axle, as close to the wheel as possible, but never on the frame. The frame isn't strong enough to support the jack without bending. I've used that spot without problems. Good luck on your decision!
While you are correct (the tech is correct) you should jack from the axel as close to wheel as possible, as jacking to close the center of the axel will bend and damage it.

But the frame is not strong enough? I sure hope not as the trailer will not be able to support it's own weight. People please understand that rv frames keep getting bigger as the weight of the coach keeps going up, they have to be safe to travel down the road for a extended amount of time (10 or more years) so the frame has to be able to support the coach, where are the springs attached to, the frame, and they only have a thin plate with a small bolt going through it and you are driving on that at 60 mph (or more) pounding it down the road.

I do wish more rv techs were certified!

Happy Camping
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Old 06-15-2015, 08:54 PM   #17
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While you are correct (the tech is correct) you should jack from the axel as close to wheel as possible, as jacking to close the center of the axel will bend and damage it.

But the frame is not strong enough? I sure hope not as the trailer will not be able to support it's own weight. People please understand that rv frames keep getting bigger as the weight of the coach keeps going up, they have to be safe to travel down the road for a extended amount of time (10 or more years) so the frame has to be able to support the coach, where are the springs attached to, the frame, and they only have a thin plate with a small bolt going through it and you are driving on that at 60 mph (or more) pounding it down the road.

I do wish more rv techs were certified!

Happy Camping
You CANNOT jack on the frame of a Rockwood or Flagstaff light weight frame, PERIOD. The frames are not bigger or heavier, just the opposite, they are smaller and lighter. The suspension on these trailers is attached to a 2 x 4 steel tube framework that spreads the load across approx. 4'-5' of each fabricated I beam. You must jack on the steel tube framework or between the two torsion axles.
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Old 06-15-2015, 09:00 PM   #18
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After taking a good look at my Wind Jammer 3008 on where I would jack it up I have to agree with Oldcoot. The frame on this thing is really thin. Each to their own but if I am going to jack mine it will be doing it where Oldcoot suggests.
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Old 06-16-2015, 08:28 AM   #19
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What is the proper way to jack up a wheel on a 5th wheel? I have a 2013 Crusader and would like to check the bearing situation, just in case. I know to block the other side but should I jack the frame only? If so, should it be hitched to the truck? Can I safely use the jack at the attachment point of the suspension and each axle? Inquiring minds want to know. There is absolutely no consensus on this, even including shop managers.
I find the safest and best way to change a tire or remove a wheel for maintenance is not to use any jack. You must use something to level your trailer (side to side), hitch trailer to truck, place your planks, Lynx levelers etc, behind or infront of the wheel you are not removing, and simply back or pull trailer onto you ramp. the other wheel will lift off the ground. The ramp only as to be 2-3 inches high. This way you avoid damaging your trailer,
with trailer hitched to truck no chance of trailer falling off jack. Have used method for over 30 years of towing RVs.
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Old 06-16-2015, 09:21 AM   #20
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Fur, this method doesn't work with torsion axles, hence the discussion.


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