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Hi. That damaged pipe is the feed of high pressure fluid from the pump to the accumulator – which it why it’s a fatter pipe. Cupronickel pipe is fine for use as 4.5mm pipe but not really strong enough for 6.35mm applications. And the pipe really needs to have Citroen flares.
Regulator position. EFI cars had them down the front of the gearbox – though not in the same position as yours – and lots of people move the accumulator/ regulator to on of the chassis legs. It’s probably been moved to give easier access for changing the sphere, but how often does one need to do that? Having said that…..if you’re uncertain of the age of your accumulator sphere and are feeling flush, then now seems like as good a time to change it as any. And yours will be a damn sight easier to get at than mine is.
Depending on the cost, you might consider getting two pipes from Darrin. Firstly just in case your bending goes wrong but if all goes well (and I really hope it does), at the very least you’ll have a spare to carry. How will you measure the length of the old pipe? Might be better to have any new one a little longer rather than find it’s too short – but you can see it’s routing so know whether that is a risk or not.
Now would also be an ideal time to re-route that pipe – something with coils to reduce stress and vibration. here’s an idea.
But if you need to rely on Darrin to make the pipe for you, you don’t have the luxury of being able to experiment and choose a different route. Maybe you could experiment with your dead pipe and then get something made up??
When you remove your dead pipe, make sure you look carefully in the threaded holes on the accumulator and pump as you will almost inevitably need to pick out bits of shredded rubber that would otherwise block your system.
Hi
I know the pipe you mean. On a RHD ID car, there is a 6.35mm return pipe/ hose coming from the brake valve. That is certainly true of the aluminium brake valves, and so it’s tempting to suggest that the pipe you are referring to is a continuation of that return pipe. BUT i think later valves were made of steel and a different design – so may not necessarily have a 6.35mm pipe.Also, because of the reduced room in the RH footwell, there are some odd combinations of ID and DS brake system components. After 1970, RHD ID cars had the ID braking system but a brake mushroom. So I’m guessing a RHD Ds would have a mushroom, but the DS brake system? i suppose i’m only repeating what you are already concluding.
What’s behind your question? uncertain as to what part to buy/ source? Mismatched halves? Can you trace the relevant pipe from right to left and see where it ends up – to determine its function? In addition to the one here,’ve got a few more photos that might help??
