In reply to a message from Matt Z sent Wed 27 Sep 2006:
Ken’s guess that the number you quoted (74661216) may be an
old Lucas number, although incorrect, prompted me to
investigate the comments in your post a little further.
I’ve concluded that you are wrong in describing this an
‘‘Accumulator / sensor leak’’. I believe what you are
describing is in fact the ‘‘Girling Solenoid Valve Block’’,
not the accumulator.
Although my car is a later model, it did have a Girling
solenoid valve block fitted before I ripped out the SLS and
all of the associated Power Hydraulics equipment which I no
longer required because the Teves brake system fitted to
later cars provides its own brake boost.
I still have that Girling unit in my garage and having
unearthed it, lo-and-behold, the Girling part numbers on the
unit are all in the ‘‘7466xxxx’’ range. The one on the valve
block body is 74661685, the ‘‘Down Solenoid’’ is 74662408, the
‘‘Load Solenoid’’ is 74662630 and the ‘‘Up Solenoid’’ is 74661703.
Your numbers will almost certainly be slightly different to
these, but I think that is evidence that the leak you see on
your '89 car is in fact from one of the solenoids in the
Girling valve block.
The good news is that there is a seal kit which contains all
of the ‘O’ rings which you need to reseal this component.
The kit part number is JLM2058 so it should be a ‘piece of
cake’ to cure your leak.–
The original message included these comments:
1989 XJ40 with SLS deactivated properly years ago. Leak discovered
at accumulator housing (Jag Part 74661216). Hydraulic System
Mineral Oil appears to be leaking from rear most sensor closest to
accumulator. Slow accumulation of fluid around nut of sensor.
Does the sensor (?name?) have replaceable ‘‘O’’ rings or does unit
need to be replaced in whole?
Thanks for suggestions and ideas.
Bryan N, '91 Sovereign 4.0 L, (RHD)
Cambridge, United Kingdom
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