Need Help on uneven trailer tire wear
I bought the Freestar F-108 Radial ST ST205/75R14 6PR LoadRange C 5 ply thread tires new in March 2012. I have about 4000 miles on them. Always kept inflated to 50 psi. The previous tires wor...
Forum Discussion
Can you confrim if they are torsion axles or leaf springs? By the closeness of the axle spindle to the frame, it looks torsion.
I agree, all 4 tires are wearing on the inside.
Over weight was listed as a possible and yes, this can do it. If they are 2,500# axles, then each tire location can only be 1,250#. In a cargo trailer off center loading may overload 1 tire while the whole trailer is not overloaded. Do you have axles weights or better, wheel weights?
Thrust angle can cause this too. Means the front axle is not true to the tow ball. (axle spindles not square to center of camper) This causes a thrust angle to the road and grinds up rubber. Most times this is caused by being mounted wrong on day one. Yes it happens more then ones thinks. Then the rear axle can be out of parallel to the front.
Lose of camber can cause this. This can be checked with a level on the wheel on level ground. The top of the tire should be pointing outward over the bottom. If the top is inward then the bottom, then you have negative camber = bad. Need to confrim torsion axle or leaf spring to know how to guide out on the check the axle
If this trailer has a real lot of miles on it, and it is a torsion axle, they have been known in some case to wear the pivot arm bushing setup and that shifts the axle spindle alignment.
Question, when you tow, is the trailer level, nose low or nose high and how high is the tow ball coupler from level? Towing a lot of unlevel on torsion axles can create a higher load on the front or rear axle.
If you want to drill into measuring the wheels for alignment yourself and you have a hard flat surface driveway, some tools and time, this can be done. Let me know I'll show you how.
Hope this helps and good luck
John
I agree, all 4 tires are wearing on the inside.
Over weight was listed as a possible and yes, this can do it. If they are 2,500# axles, then each tire location can only be 1,250#. In a cargo trailer off center loading may overload 1 tire while the whole trailer is not overloaded. Do you have axles weights or better, wheel weights?
Thrust angle can cause this too. Means the front axle is not true to the tow ball. (axle spindles not square to center of camper) This causes a thrust angle to the road and grinds up rubber. Most times this is caused by being mounted wrong on day one. Yes it happens more then ones thinks. Then the rear axle can be out of parallel to the front.
Lose of camber can cause this. This can be checked with a level on the wheel on level ground. The top of the tire should be pointing outward over the bottom. If the top is inward then the bottom, then you have negative camber = bad. Need to confrim torsion axle or leaf spring to know how to guide out on the check the axle
If this trailer has a real lot of miles on it, and it is a torsion axle, they have been known in some case to wear the pivot arm bushing setup and that shifts the axle spindle alignment.
Question, when you tow, is the trailer level, nose low or nose high and how high is the tow ball coupler from level? Towing a lot of unlevel on torsion axles can create a higher load on the front or rear axle.
If you want to drill into measuring the wheels for alignment yourself and you have a hard flat surface driveway, some tools and time, this can be done. Let me know I'll show you how.
Hope this helps and good luck
John
