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90 bucks compared to the "OEM" of some I found 200-700!! BS!!
its brand new no NOS. its little bit smaller.
just put in on my the 89 and the 92 XJS. and sheesh they brakes work great.
On the 92 took apart the whole Valve body ran cleaner with a pulse generator through the ABS valve block. the break feel now its awesome. back to 100%
IT being only 90 everyone who even has a remote sense that there ball is starting to go or feel off get this.
I mean they are 25 plus years old now.
My pump ball needs to be woken up with a tap to get the pump going on longer drives now, I have a used spare no idea how to test it. Similar units can be sourced from hydraulic shops but its a hassle to find one that performs the same. Great find.
I need one of those Accumulator ***** for my 1990 XJS V12
But since its not an Accumulator specifically for an XJS
How did you know it would fit?
Did you also have a look at the ones from febi bilstein, as they look the same size as the XJS ones but again they are not specifically for an XJS so was also wondering if one of those would fit
My pump ball needs to be woken up with a tap to get the pump going on longer drives now, I have a used spare no idea how to test it. Similar units can be sourced from hydraulic shops but its a hassle to find one that performs the same. Great find.
The way to test is you need a spare pump unit, one from an XJ40 works well. Then rig up a piece of brake line on the discharge side, adapt to a pressure gauge good for around 1500 psi, then a valve. You need a low pressure supply/reservoir of brake fluid to the pump, and after the valve a hose to return fluid to the reservoir.
With the accumulator in question screwed to the pump, ample brake fluid in the reservoir ( at least 500ml, I used the brake reservoir off a mark 2 Jag) and the valve closed, apply power to the pump. The pressure will rise, you should be able to get at least 1000-1200 psi. Once you have reached the point, shut off the pump. Then crack open the valve and let the pressure release very slowly. The needle on the gauge will drop slowly and at some pressure will suddenly drop very quickly. At that point is the internal pressure of the accumulator.
Spec was originally 1200 psi, I have tested junkyard ones everywhere from 100-900 psi.
I have not fitted it yet ( spring project) , but I have purchased an accumulator from a P38 Range Rover, it's the same spec and threads as the XJS/XJ40. It's slightly larger, but should fit. They are quite a bit cheaper than the Jag replacement ones now. I bought mine from Island 4X4 in the UK.
Argh! I just installed a $239 unit. This one sounds like a very nice alternative. The AC Delco replacement is a bit larger and interferes with the bonnet latching properly. I had to make some mounting adjustments to the pump and were good to go.
Range Rover on the right, original Jaguar on the left. Height is identical, the RR version is 1/4" larger diameter. I have not installed it yet, but there is sufficient space around my pump to allow the bonnet to close. The label is the version I bought, as Wabco is the OEM.
Yes they do come with an oring. I put a new one on my Range Rover P38 last year (now sold) I was hoping this will work on the XJS as the price on the Jaguar parts is a bit much.
Rob.
just replaced mine
what was the procedure to clean the thing with cleaner?
yes mine is 28 years now... and I was looking for the rebuild kits for master, valve body, and all calipers...
but a cleaning first and full change out of fluid might be ok this year and a full rebuild after this silly quarantine
P.S. found the easiest way to remove a replace said accumulator
Last edited by Jonathan-W; Apr 15, 2020 at 10:46 AM.
Reason: adeum
New Accumulator ball
