Accumulator replacement P38

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Nige - 17 Nov 2007 18:12 GMT

Am I right in thinking once it's discharged, either by loss overnight or
using the brakes with the engine not running, then it should be under
limited or no pressure? I wan't to do the job myself.

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Austin Shackles - 17 Nov 2007 22:14 GMT

> Am I right in thinking once it's discharged, either by loss overnight or
>using the brakes with the engine not running, then it should be under
>limited or no pressure? I wan't to do the job myself.

There's probably a procedure for removing any residual pressure, there used
to be on the citroens. My RAVE is too old for that model.

I bet you have to reset the electronics somehow :-)

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Dougal - 17 Nov 2007 22:55 GMT

> Am I right in thinking once it's discharged, either by loss overnight or
> using the brakes with the engine not running, then it should be under
> limited or no pressure? I wan't to do the job myself.

Relying on overnight loss is a bit optimistic. You should be able to
remove the downstream pressure by pumping the brakes as you suggest.
This will make removal of the accumulator 'safe'.

However it does not remove the nitrogen charge from the accumulator
itself which is still charged (if it is not totally u/s). Treat the
accumulator as though it is fully charged, don't attempt to dismantle,
burn etc.. There are safe ways of discharging them which vary according
to their design. I don't know this specific one so won't make any
suggestions.

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