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Old 07-15-2006, 03:37 PM   #1
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1970 23' Safari
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one wheel getting hotter than the other

I have been having problems with one wheel on my single axle Safari getting much hotter than the other. I have had the wheels repacked and the brakes checked twice in less than a year. Anybody have any ideas?
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Old 07-15-2006, 04:19 PM   #2
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The first thing I would do is to isolate whether it is the brakes or the bearings that are causing the temperature differential. I would first use a digital infra-red thermometer (Radio-Shack, about $30) and establish an accurate temperature differential between the sides during normal use, taking into account the normal difference between the side in the sun and the side in the shade. Do a run travelling from east to west, and another from west to east. Then take the trailer out for another run when the wheels have cooled to ambient temperature. Go out at a quiet time on quiet roads, and try to avoid all use of the brakes. After ten minutes, drift to a halt without using the brakes, and measure the temperatures of the wheels. If there is still the same differential, you have a bearing problem (One adjusted tighter than the other, or one newer than the other). If no significant differential, you have a braking problem. (Incorrect parts fitted, or pull-off springs of differing strengths.) That's what I did in a similar situation, and it turned out to be incompatible parts in the brakes supplied by the Airstream dealer.
Nick.
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Old 07-15-2006, 05:28 PM   #3
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1975 31' Sovereign
1973 27' Overlander
1977 23' Safari
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take a look at this thread.

http://www.airforums.com/forum...ase-23640.html

I think I suffered about as much as anyone has with this problem. I'm confident how to handle trailer bearings now, except the combination of brake and bearing issues may have allowed me to justify the bearings being just a tad too loose, but after 5,000+ miles I haven't seen any problems at all, so I'm leaving them the way they are.

Good luck.
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