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Tcourt7's avatar
Tcourt7
Explorer
Jan 05, 2014

Axle alignment issue - need help

Need help from axle alignmen expert... We are on the road on long winter trip, currently in SO cal and have extreme tire wear on outside of right front tire. Have a 2007 Nash 22M with one slide. Factory axles are 5200 lb, told large size due to weight of slide.

Had extreme tire wear last years trip, had new shackles installed, had things checked, bought new tires. Have bad tire wear now on one tire only, outside of front right tire, and some on outside of rear left Told by manufacturer to have alignment checked and check for bent axle. Took it to a seemingly good rv shop in South Orange County. Alignment checked, told ok, within 1/4" on all. Shop says i need to buy new axles at cost of $1,500. Told axles are preflexed, bow up, supposed to flatten out when loaded, but trailer not heavy enough for the factory axles to flatten out so tire does not ride flat, toed in. Fix is to install a straight axle.

Talked to northwoods, they don't agree, but no help. No one seems to explain why outside wear on front right but not front left, and why left rear but not right rear.

Can post or send pics, any ideas.

14 Replies

  • Don't waste any money on new axles. $1500.00 is WAY too much anyway. Forget the RV shops. Bring it to a Real alignment shop. One that does semis and big over the road trailers. They will align it for under $200.00 and your problem will be gone...

    B.O.
  • I've aligned two trailers myself. 1/4" out is a lot, no matter what the RV industry might say. It does sound like you have a bent axle stub. The right front one takes a beating on trailers. On the Lippert website there is a tech document which shows how you can do measurements yourself. There is info here on the forum but being on the road, you are not in a position to mess with the details.

    Are you headed to AZ? I have read here that there is a good place somewhere in the Phoenix area.
  • ScottG wrote:
    Who ever said the axles are SUPPOSED to flatten out are plain wrong. If you have one tire wearing bad then that spindle or axle is bent. Call around to some truck shops and you will hopefully find one that can align trailer axles. They do this by actually bending the axle back where it belongs. There's no need to replace axle if that's all it needs.

    Good luck,
    Scott


    Good advice! It does depend on where, and how much, the axle is bent if it can be safely straightened. We have a heavy duty truck/trailer repair shop near me in PA that does a good job. Hope you can find one there. Most RV dealers cannot do the job.
  • Who ever said the axles are SUPPOSED to flatten out are plain wrong. If you have one tire wearing bad then that spindle or axle is bent. Call around to some truck shops and you will hopefully find one that can align trailer axles. They do this by actually bending the axle back where it belongs. There's no need to replace axle if that's all it needs.

    Good luck,
    Scott