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Keeping the brake fluid in


Gridgway

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As I am doing the recommissioning of my live axle crossflow, I need to refurb the front calipers.  The pistons are seized.  I want to keep the brake fluid in the system while I do it to stop the master cylinder seals from drying out and to make bleeding easier on reassembly.

I'm scratching my head as to the best way of keeping it in when I take the calipers off.  Ie how to block off the end of the pipes.

Any good ideas out there?

ETA I have already cleaned out the M/C reservoir and flushed the fluid with fresh.  If I'd realised the front calipers would need the seals doing, I would have just done the whole lot in one go.

Cheers

Graham

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When I removed mine for my rebuild I sealed over the pipe ends with sections of poly bags secured with some rubber bands, I'd removed the front flexi hoses anyway because they were being renewed. It's easier doing this on solid pipe than the braided hoses with fittings but I'm sure the same method could be used. When I refitted everything I just bled the system as normal.

Stu.

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I put a bag on the master cylinder. Freezer bags seem the right thickness. Unscrew cap, bag over opening - you might have to poke a bit into the reservoir if it has the low level warning float in the cap. Screw cap back on. 
 

when you disconnect a line you may get a few drips and it should stop, but 'capping' the flexi lines should help too!

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Very simple.  I used some plastic inside the m/c cap and then bagged up each flexi pipe end.  They are banjo fittings so the rubber pipe idea wouldn't work.

Now need to decide whether to attempt to redo the seals myself.  What are the calipers likely to be off with a LA crossflow?

Just thinking of where to get the seals.  I think I'll take the pistons out and see if they are corroded or not.

Graham

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If they are the standard brakes I think they will be Girling type 14 calipers and all the bits can be got from Rimmerbros. About £16 for a set of seals for both sides.

There are also pictures of the calipers so you can verify what they are.

 

Ivan

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