Preventing an early death on the 1990-94 XJ6 Jaguar hydraulic pump
Jaguar Parts Technical Information
The hydraulic system pump that operates the rear brakes is run by a
massively-expensive electric motor. This motor tends to burn out
when allowed to run continuously. What makes it run continuously?
A bad accumulator ball. This is the large black ball just under the
left side of the windshield, just under the hood (bonnet). The pump should
run no more than 15 seconds, then shut off. If it keeps running,
STOP THE CAR BEFORE YOU BURN THE ELECTRIC MOTOR UP!. At $1500, you
don't want to buy a new electric motor. If your electric motor is
running practically all the time, replace the accumulator ball.
See our Jaguar Parts Store to order parts.
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