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Old 10-01-2009, 10:17 PM   #1
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mysterious damage to endcaps

There are mysterious cracks in the ends caps of my 1992 34ft trailer.
The cracks are located where the face of the oak cabinets join the end cap at both the front and back of trailer. Could this be a result of excessive vibration from worn out axles? I have checked the axles and they still show some life according to the axle test recommended by inland rv. When jacked up the wheels drop 2-3 inches before coming off the ground. I have replaced the tires on the trailer as well. Just don't want to buy 3 new axles unless I need to but don't want to lose the oak cabinets either.
Thanks much.
WP
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Old 10-01-2009, 10:30 PM   #2
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Photos?
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Old 10-01-2009, 10:33 PM   #3
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Have someone tow you down a not too smooth road while you ride in the trailer. In particular look for something moving that shouldn't or moving on one side and not the other, like the bulkheads.
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Old 10-01-2009, 10:35 PM   #4
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Just guessing.

Hi,

Running gear out of balance?

Overloaded cabinets?

Normal with age?
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Old 10-01-2009, 10:36 PM   #5
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What do you mean by "cracks". Pics, please.
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Old 10-01-2009, 11:03 PM   #6
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Quote:
Originally Posted by wayne.yl View Post
There are mysterious cracks in the ends caps of my 1992 34ft trailer.
The cracks are located where the face of the oak cabinets join the end cap at both the front and back of trailer. Could this be a result of excessive vibration from worn out axles? I have checked the axles and they still show some life according to the axle test recommended by inland rv. When jacked up the wheels drop 2-3 inches before coming off the ground. I have replaced the tires on the trailer as well. Just don't want to buy 3 new axles unless I need to but don't want to lose the oak cabinets either.
Thanks much.
WP

Two things can cause those cracks.

The first is a very hot climate.

The second is vibration.

Sources of vibration are one or more of the following.

Excessive rated tow vehicle.
Excessive rated hitch bars.
Out of round tires.
Bent wheels.
Unbalanced or improperly balanced running gear.
Bad shocks.
Any torsion type axle can cause bottoming out issues. If the drop is 3 inches as you tested, then check the torsion arm or trailing arm for proper position, when the trailer is loaded for travel. If it's correct, then the axles are not a part of the problem.

Excessive rated tow vehicles and/or torsion arms, would also usually cause shearing of rivets, both inside and out.

Andy
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Old 11-11-2009, 11:40 PM   #7
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cracks in endcaps

Sorry it took so long.
My mother-in-law passed recently and we have been travelling.
Anyway, these are the cracks I was describing. It may be hard to see but they are in the upper right corner where the cap connects to the oak cabinet. It looks like the weight of the cabinet is part of the problem but I am not sure.
any thoughts??
Thanks
wp
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Old 11-12-2009, 02:44 AM   #8
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Quote:
Originally Posted by wayne.yl View Post
Sorry it took so long.
My mother-in-law passed recently and we have been travelling.
Anyway, these are the cracks I was describing. It may be hard to see but they are in the upper right corner where the cap connects to the oak cabinet. It looks like the weight of the cabinet is part of the problem but I am not sure.
any thoughts??
Thanks
wp
It's not likely the cabinet had anything to do with the cracks.

Read post # 6 above.

Andy
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