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PostPosted: Sat Aug 25, 2012 5:02 pm 
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1275cc
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Joined: Wed Jan 19, 2005 1:52 pm
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Location: Brisbane
Next Saturday I'll be replacing both front brake hoses. The problem looks like it will be the driver's side, as in lack of room.
Are there any tips and tricks out there? Special tools, ground down spanners etc etc?
Any constructive help welcome.


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PostPosted: Sat Aug 25, 2012 5:46 pm 
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1275cc
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Joined: Mon Sep 19, 2005 4:57 pm
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Location: Gulgong
If we are talking about the flexible hoses from the body to the drums (or calipers) and if they are stuffed and not going to be used again, then just cut them in half with a stanley knife or similar.

That way you wont have the hoses twisting up and you can slip the correct sized ring spanner over hoses and up to the connection nut.

Mike


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PostPosted: Sat Aug 25, 2012 6:25 pm 
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1275cc
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Yes Mike the rubber hoses are being replaced.

I will have to remove the brake switch etc won't I?


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PostPosted: Sat Aug 25, 2012 6:36 pm 
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1275cc
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What brake switch are we talking about ?? the brake failure light on late clubbies or the brake light switch. ????

I think the answer is no - even on split system brake master cylinders. The is no spring lock system in the master cylinder. Its just a pressure sensor and its only activated when the ignition system is switched on.

Replace the hoses, bleed the brakes and you will will again have a pressure in the Master cylinder.

If I am wrong somebody correct me please !!!!!


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PostPosted: Sat Aug 25, 2012 6:37 pm 
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TK wrote:
Yes Mike the rubber hoses are being replaced.

I will have to remove the brake switch etc won't I?

Yes you will.
After running out of expletives doing mine last time, I got the angle grinder and cut some access through the inner guard. If it's good enough for the other side..
Also beware, new hoses these days often don't have enough thread depth inside to let things seal tight. The traditional way to fix this is add another copper washer.

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DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank, 45 Dellorto (38 chokes), RE282 sprint cam, 1.5 rockers, 11.0:1 C/R. :mrgreen:


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PostPosted: Sat Aug 25, 2012 7:27 pm 
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Yep remove the brake pressure switch if you have the hydraulic one on the R/H side.

I have changed front hoses many times and never with any "special" tool.

The brake switch is easy to take out, just hold the hose from underneath with a spanner as you undo the switch. Best to unplug the switch first though.

You can take the front grill out and access the locknut with a 15/16th or 24mm spanner. Not exactly easy to get it undone, but there should be enough room to turn it bit by bit, flipping the spanner over each time (open end) If you can't loosen the nut with the spanner, then i have a nice long screwdriver that i can chisel the nut undone with.

Depending on what else you have in the engine bay (brake booster may get in the way?) you can use a socket and a long extension bar. This method will require you to either remove or bend the brake pipe union out of the way though. So if you plan on doing it this way, crack the pipes loose before taking the switch out.

Or you could be dodgy and bend the corner of the inner guard up, allowing you to use the open end of the spanner at an angle from inside the wheel arch.


As for the passenger side, the pipe is often seized pretty tight. Make sure you have a good pipe spanner (11mm is a tighter fit then 7/16ths). Undo the pipe and lift it out of the way. If you round the nut then get a good pair of vice grips in there and show it who is boss. Then seeing as you are doing both sides, get a new pipe made up with new nuts.

Use the same methods to undo the locknut on this side as the left, except for using a socket as i'm pretty sure there isn't enough room.



Most importantly, when fitting the new hoses, fit them to the brakes first and do up tight, not forgetting the copper washers. Then do the locknuts up (these should have a shakeproof washer under them), making sure that the hose is not twisted/kinked or going to rub on anything with suspension and steering movement. Also check that the hose is long enough and won't try to pull itself out of the crimped fittings. Once that is all sweet, fit the pipe/switch etc.


And wash off the brake fluid with water


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