UHaul CT13 Brakes - Page 3 - Fiberglass RV


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Old 01-05-2012, 02:32 PM   #29
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Does your bolt pattern measure 4.5, number one stud to number three stud?
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Old 01-05-2012, 02:35 PM   #30
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That is a wounderful site.
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Old 01-05-2012, 04:17 PM   #31
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Does your bolt pattern measure 4.5, number one stud to number three stud?
I measure about 4.55" from the center of #1 stud to the center of #3 stud.
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Old 01-05-2012, 04:25 PM   #32
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OK according to R & P carrage

But I would ask the dealer which it is across the studs or the circle The Fords looked close, I might have to do the samething
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Old 01-05-2012, 04:41 PM   #33
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There are a couple different cheap tools available to measure bolt circle. I got mine from Eastwood. It's a plastic thing with various holes to match different bolt patterns. I would think the best way to center the holes in a brake drum would be on a machinist indexing turntable. I don't have one for my milling machine, but do have a lathe to recut the center hole. I'm interested to see how this all comes out, although we just did about 3000 miles pulling our CT13 with a Honda CRV with no braking problems. Have you guys looked on the Uhaul truck parts website for parts? I sent an email question to them on that site once, and got a reply, but not sure if the answer was correct, but I did get an answer. Bob
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Old 01-05-2012, 04:59 PM   #34
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There are a couple different cheap tools available to measure bolt circle. I got mine from Eastwood. It's a plastic thing with various holes to match different bolt patterns. I would think the best way to center the holes in a brake drum would be on a machinist indexing turntable. I don't have one for my milling machine, but do have a lathe to recut the center hole. I'm interested to see how this all comes out, although we just did about 3000 miles pulling our CT13 with a Honda CRV with no braking problems. Have you guys looked on the Uhaul truck parts website for parts? I sent an email question to them on that site once, and got a reply, but not sure if the answer was correct, but I did get an answer. Bob

I did not see any brake drums there, they have hubs, Tom got one and some light covers
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Old 01-05-2012, 06:18 PM   #35
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I got 2 hubs, a couple marker lights, and the tail light conversions. Don't plan on using the light conversion things, but got them just in case. Best thing to do may be to find a big Uhaul place and hope someone there will take the time to listen and help. I've heard some CT owners just changed the whole axle to get brakes. that may be the best route.
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Old 01-05-2012, 07:14 PM   #36
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..... I would think the best way to center the holes in a brake drum would be on a machinist indexing turntable. I don't have one for my milling machine, but do have a lathe to recut the center hole. ......Bob
I've found that I can fairly easily find a brake drum with the right sized center hole (1980 Granada or LTD, 1998 Ranger), but they have a 4.5" bolt circle. I plan to take my old hub and pop out the studs, then redrill the drum through the open stud holes. With a pilot on the hub, this should be plenty accurate.

Right now, my concern is will the brake drum be too thick, and will it interfere with the 13" wheel. It looks like it will be tight, but once I get the electric brakes that I ordered from Eastern Marine, it will all become clearer. If it works, I will add brakes for less than $150.

I'm not sure if there is an axle assembly that is just a bolt in. If one had to get into modifying it to ensure that the tire was place correctly in the wheel well and the suspension arm was oriented correctly, it could be a handful, as well.

Lastly, these little guys have lasted a quarter century with no brakes, so it is probably not urgent.

I did finally talk to a guy who was the former tech guy at UHaul and he said there is no parts list for the VT. He did say that he thought the VT brake system was common with another UHaul trailer and had me leave a message with Frank at UHaul. I'm waiting for his call...emails unanswered to this point.
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Old 01-05-2012, 07:22 PM   #37
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The Uhaul guy is right, although they are surge brakes. The controller for the double axel trailer will work. It is what we have.

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Old 01-05-2012, 07:36 PM   #38
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The Uhaul guy is right, although they are surge brakes. The controller for the double axel trailer will work. It is what we have.

CindyL
Are the brake drums on your hubs,as Tom asked would a VT brake drum work on a CT?
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Old 01-06-2012, 06:44 AM   #39
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Are the brake drums on your hubs,as Tom asked would a VT brake drum work on a CT?
Exactly, the $64,000 question.


And if so are VT drums available anywhere?
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Old 01-06-2012, 07:21 AM   #40
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Hubby says that he does not know. He is using the drums that were on the trailer, although they are not yet working. I cannot speak to the drums of the dual axel Uhaul being the same as the VT. We are using the controller of one of these trailers.

Personally, if I had the money, I would switch to electric, even if it means new axels. I think that when we get the things working, they will be a pain. At the same time, after a few incidences during this trip, I am not making another camping trip until those brakes are working.

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Old 01-06-2012, 09:27 AM   #41
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Another glitch in the electric brake conversion saga. The electric brakes have a sliding magnet that rides on the inside vertical face of the drum. On a hub made for an electric brake this surface is machined flat. I haven't gotten my electric brake kit yet, but it appears that the magnet may land on the inside of the wheel bearing hub flange - no good.

The photo on the top is an electric trailer drum, the bottom photo is of a Ranger brake drum.

If I can't figure a way around this, I may have to consider a hydraulic system with surge brakes.
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Old 01-07-2012, 09:25 AM   #42
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Tom, if when the drum is on the hub and both are the same height and nothing sticks out the magnet will still work, but nothing can stick out, and the magnet will wear crooked, but should wear for around 30,000 miles
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