1992 jaguar xjs abs

[David at BMC]

A no bleed issue to rear calipers after performing these following tasks front calipers and hoses new,rear hose new frt brake pads new ,accumulator new then followed Jaguar brake bleeding procedure: manual bleed front brakes the open nipple on rear, apply brakes through pedal ,then turn on ignition 15 seconds plus till air is out but no pressure zero tried new used accumulator assy and used acuator assembly a couple of ecm 's same number DAC5833 or dac10056 none make any difference any ideas or similar situations occuring. I have been A Jag mechanic for close to 40 years never had BS like this with no new parts available or details on function of this reservoir pressure sensor. Odd as it is it a glass sensor wrapped in opaque plastic on outside of reservoir similar to level sensor except there are two of them not sure how this determines pressure in reservoir, maybe not the issue but perplexing to understand How.?

 

[DrEntropy]

David, had you seen this post from 2003?

Teves Anti-Lock Brakes, All Models up to year 1992

May-June 2005 Jaguar Journal reported in Jaguar Tech Corner that "Jaguar reports that the ABS pump motor relay must be replaced on all models up to 1992 if the ABS combined pressure warning switch is replaced. When this switch fails, a number of things may occur. Pump motor may run nonstop or...

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