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Replacing 3 way union on rear axle
#741738
12/05/22 07:54 PM
12/05/22 07:54 PM
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Joined: Apr 2021
Posts: 132
San Francisco
RobFog
OP
L - Learner Plates On
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OP
L - Learner Plates On
Joined: Apr 2021
Posts: 132
San Francisco
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I'm slowly replacing parts on the car, starting from the brakes and, as I learn the hard way, gradually making my way to the engine. I need to replace the 3 way brake union on the rear axle - looks like the only unions now available are differently configured and, due to the thickness of the union, I can't seem to make the original axle clamp fit as the bolt through the union tightens up before the clamp is tightened to the axle. Hope that makes sense. If somebody else has replaced their union do you have any tips or images of what you used. The axle is 7 inches in diameter and I've searched for clamps etc without success. Picture of picture of old and mew tees .
1974 4/4 2 seater
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Re: Replacing 3 way union on rear axle
[Re: RobFog]
#741744
12/05/22 08:27 PM
12/05/22 08:27 PM
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Joined: Feb 2013
Posts: 246
Ross-on Wye, Herefordshire
bilibib
L - Learner Plates On
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L - Learner Plates On
Joined: Feb 2013
Posts: 246
Ross-on Wye, Herefordshire
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I'm slowly replacing parts on the car, starting from the brakes and, as I learn the hard way, gradually making my way to the engine. I need to replace the 3 way brake union on the rear axle - looks like the only unions now available are differently configured and, due to the thickness of the union, I can't seem to make the original axle clamp fit as the bolt through the union tightens up before the clamp is tightened to the axle. Hope that makes sense. If somebody else has replaced their union do you have any tips or images of what you used. The axle is 7 inches in diameter and I've searched for clamps etc without success. Picture of picture of old and mew tees . I think you mean 7 inches in circumference
Owen
"bilibib"
1982 4/4 Twin Cam
Royal Ivory, Dark Red Leather
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Re: Replacing 3 way union on rear axle
[Re: bilibib]
#741755
13/05/22 12:37 AM
13/05/22 12:37 AM
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Joined: Apr 2021
Posts: 132
San Francisco
RobFog
OP
L - Learner Plates On
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OP
L - Learner Plates On
Joined: Apr 2021
Posts: 132
San Francisco
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I think you mean 7 inches in circumference
I do indeed - thanks, that's why it took me multiple attempts to get my maths GCSE
1974 4/4 2 seater
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Re: Replacing 3 way union on rear axle
[Re: Arwyn Williams]
#741790
13/05/22 12:57 PM
13/05/22 12:57 PM
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Joined: Apr 2021
Posts: 132
San Francisco
RobFog
OP
L - Learner Plates On
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OP
L - Learner Plates On
Joined: Apr 2021
Posts: 132
San Francisco
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Why does the union need replacement?
Arwyn
Unfortunately, the threads aren't ok . The union I received seems to be the standard replacement part as offered by Melvyn Rutter and Morgan Motors of New England, but, because the bolt hole is that much larger than the original, I can't tighten the clamp sufficiently to keep it rigid on the axel. I've searched for axel clamps but nothing suitable comes up, not sure if there's another kind of clamp or brace I could be using for my search terms.
1974 4/4 2 seater
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Re: Replacing 3 way union on rear axle
[Re: RobFog]
#741796
13/05/22 01:38 PM
13/05/22 01:38 PM
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Joined: Jun 2015
Posts: 1,064
North Somerset, UK
Deejay
Has a lot to Say!
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Has a lot to Say!
Joined: Jun 2015
Posts: 1,064
North Somerset, UK
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Not sure of the clamping arrangement but I guess it’s simply there to prevent the union and pipes wobbling about, so no great mechanical force is needed. If all else fails, can you not improvise with a large Jubilee Clip (hose clamp) to clamp a small bracket to the axle and then bolt through to that bracket?
Doug
2011 +4 in Rich Maroon
1972 750 “ComDom” sprinter
1958 Triton 650
1992 Triumph Trophy 900
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Re: Replacing 3 way union on rear axle
[Re: Deejay]
#741807
13/05/22 03:32 PM
13/05/22 03:32 PM
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Joined: Apr 2021
Posts: 132
San Francisco
RobFog
OP
L - Learner Plates On
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OP
L - Learner Plates On
Joined: Apr 2021
Posts: 132
San Francisco
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Not sure of the clamping arrangement but I guess it’s simply there to prevent the union and pipes wobbling about, so no great mechanical force is needed. If all else fails, can you not improvise with a large Jubilee Clip (hose clamp) to clamp a small bracket to the axle and then bolt through to that bracket? Thanks Deejay, I was considering whether a Jubliee Clip would give it a sufficient rigidity, let me try that. I've learnt so many new terms and phrases on this site that I was wondering if there was a specialized axle clamp - a Windsor Sprocket, a Cleveland Beebop or something similar that served this exact purpose Just for the record, here's how it currently looks in case my original description wasn't sufficient.
1974 4/4 2 seater
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Re: Replacing 3 way union on rear axle
[Re: RobFog]
#741824
13/05/22 04:57 PM
13/05/22 04:57 PM
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Joined: Jun 2019
Posts: 342
Bethel, CT USA
PaulyG
Learner Plates Off!
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Learner Plates Off!
Joined: Jun 2019
Posts: 342
Bethel, CT USA
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I can't remember how it looks on mine, but does the clamp go to either side of the TEE? And now the new TEE is thicker so the ends of the clamp are farther apart?
If so, can you just put both sides of the clamp on the same side of the TEE? Maybe use a longer bolt?
1973 4/4 2 place
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