Quote:
Originally Posted by DanielB
1) Warm tires on the trailer. Stopped a few times and checked how warm the tires were on the trailer. Not all are the same temp. One in particular is warmer than the others.
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Ideally, the tires shouldn't feel much warmer to the touch than the pavement they're sitting on, this time of year.
I can think of three reasons why one tire might be hotter than the others:
1 - Low on air (measured when tire is cold) causes increased flexing of the sidewalls, which leads to heat. A tire pressure gauge should tell the tale here. Tire will also be hotter than the wheel.
2 - Bearing in hub is worn or low on grease, which leads to friction as the tire rolls. An IR meter will help diagnose this; if it's the bearing the axle hub will be the hottest part of the wheel.
3 - Improperly adjusted brake is dragging, which again leads to friction as the tire rolls. As above, but the brake drum will be hotter than the hub.