ABS accumulator sphere
I think my brake accumulator needs replacing.
If I touch the pedal with the ignition on, the red/amber lights immediately light up and I can hear the pump engage. The pump also engages for around 0.5 seconds every 30 seconds with the ignition left on. . Sound to me like the is no pressure in the system at all. Has anyone replaced it/have any tips? I see that Jaguar Heritage sell them, but quite expensive at £177. Is anyone aware of an alternative supplier? I'm assuming Jaguar don't manufacture them... |
The part number of the item you want is: 25528382
https://cimg5.ibsrv.net/gimg/www.jag...adb59602f.jpeg Some time ago they were very cheap on Amazon but they are now long gone. The cheapest I can see on Amazon or EBay now is $195 + shipping & import charges from the USA - at current exchange rates, that makes Jaguar's £177 pretty reasonable if it includes vat. Whilst you're at it, I would replace the pressure switch as well. The part number for the one I bought, again from Amazon is: 25530882 https://cimg7.ibsrv.net/gimg/www.jag...15d3fc311.jpeg Rgds. Andy. |
Excellent info, thanks!
Is the pressure switch easy to change? A bit of searching has yielded the following alternative p/n's for the accumulator ball; looks like there are a few late 80's cars which use the same ABS system: lemforder 11797 01 Delco 25528382 Saab 4002267 |
There are different sizes of ball and different threads, make sure it matches. BMW used a similar system, but it's a different thread size.
I've not really come across a decent source, I have picked up some used ones from the junkyard when I see them. |
Originally Posted by Asdrewq
(Post 1525286)
Is the pressure switch easy to change?
Rgds. Andy. |
Originally Posted by bigpigpants
(Post 1525495)
AFAIK, it is easier to remove the pump assembly & hold it in a vice to use an Allen key to remove the accumulator - with the assembly in a vice it should be easy with the appropriate size spanner to unscrew the pressure switch & screw in a replacement.
Make sure the system is depressurized first before undoing any brake connections. It's different to most brake systems, there are specific instructions in the manual on how to do it. |
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