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Old 04-02-2019, 08:44 AM   #1
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2008 25' Safari
Green Cove Springs , Florida
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Squealing Brakes

Traveled 125 miles yesterday. As we are pulling into camp the trailer brakes are squealing. Any idea what is causing this?
On the trip north the drivers side hubs were warmer than the riders side.
I adjusted the brakes a few days before we left.
Thanks for your help,
Matt
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Old 04-02-2019, 08:53 AM   #2
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Many have had this problem on our 2017 Airstreams. What caused it was the spring that kept the automatic brake adjustment mechanism in place broke and the adjuster fell into the brake drum. This created a horrendous squealing sound and extremely hot brake drums.

I would remove the squealing brake drum to inspect the brakes. If something similar is wrong with your brakes, you can cut the brake wires inside the drum and remove the damaged brake assembly by removing the four nuts that hold it in place. This will allow you to continue on your way until a replacement brake assembly can be installed.
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Old 04-02-2019, 09:25 AM   #3
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Squealing Brakes

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Old 04-02-2019, 09:27 AM   #4
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Squealing Brakes

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Old 04-02-2019, 11:43 AM   #5
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Matt385,

Do you have manual adjusting or self adjusting brakes?

Temps, my go to tool is an IR temp gun. It at least gives you numbers to compare with.

Remember brakes that don’t make heat are not brakes.

Gary

Previous comments from me did not correctly apply to your rig.
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Old 04-02-2019, 07:31 PM   #6
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Gary,
I’ve got manual brakes. 2008 25’ Safari. Before we take off tomorrow I’m going to readjust the drivers rear brake. That one was a little hotter than the others and was harder to adjust.
Matt

Using a temp gun is a good idea.
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Old 04-03-2019, 06:23 AM   #7
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Matt,

Might be time to pull drum and if you are able check for binding of shoes, magnet lever arm etc. a judicious application of grease in certain spots like where the shoe rubs backing plate, pivot anchor, adj screw threads for example.

I’m in the middle of self adj brake replacement on a friends AS
(long story not ready to summarize) but I did a drum off lever actuation and the brakes stuck did not return to retracted state. Had to convince them to go back.

I don’t look for a specific temp I look for uniform values that show heat was created and is being dissipated.

Gary
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Old 04-04-2019, 05:27 AM   #8
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Gary,
The drivers rear hub was the hottest hub on Monday. Wednesday am I readjusted the brake by moving the adjustment screw as far as I could in both directions. The brake seemed to adjust better than before. On Wednesday’s travel 3 hubs stayed about the same temperature with the riders front hub about 10 degrees cooler. I’ll watch it today and see how it goes.
Thanks,
Matt
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Old 04-04-2019, 06:05 AM   #9
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Matt

I think if you check Dexter website the adj procedure is detailed. Like old pass car brakes adj until firm drag tire rotated by hand then back off a couple clicks. Pulling drums, inspecting brakes, bearings and seal might be a good project.

Consult Dexter website for adj details.

Gary
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