Dunno about rebuilding, but I do know that new ones are available through
Holden at www.holden.co.uk.
David Littlefield
'62 MGA MkII
'51 MGTD
'74 MG Midget vintage racer
'88 Jaguar XJ-S
On Tue, 14 Nov 2000 07:45:55 -0800 "Lawrie Alexander"
<Lawrie@britcars.com> writes:
> Stu,
>
> Sounds as though the Andrex has seized up - a common problem with
> these
> auxiliary shock absorbers which were less than wonderful even when
> new.
> That's probably why the link bushing disintegrated. Unless you can
> fins
> someone to rebuild the Andrex (and I don't know if Apple or
> Worldwide do
> these units), my advice would be to leave it disconnected.
>
> One point about the rest of your note - your theory that removing
> the cap of
> the shock "releases the pressure". Not so, I'm afraid. A lever shock
> absorber does not contain releasable pressure - its action merely
> forces oil
> from one chamber to another, through a valve which regulates the
> flow. There
> is pressure at the valve, of course, when the shock arm is moving,
> but no
> residual pressure once the arm stops moving.
>
> Lawrie
> British Sportscar Center
>
>
> -----Original Message-----
> From: Stuart Keen <simbafish@home.com>
> To: MG T Digest <mg-t@autox.team.net>
> Date: Tuesday, November 14, 2000 7:38 AM
> Subject: Good thing it's a MkII but questions
>
>
> >This morning I was under my '51 TD MkII. I discovered one of the
> right
> >rear shock (hydraulic damper) arms was free of the linking arm,
> >connecting it to the leaf spring bracket. The link is suppose to
> have a
> >rubber inset/bushing (now missing) in which the hydraulic arm's
> rod/pin
> >fits. Since this is a Mk II, there are two shocks per wheel. The
> one
> >disabled is the Andrex. Fortunately I have the other a Girling.
> >
> >Question:
> >
> >1. I have tried to pull down the Andrex hydraulic arm but it will
> not
> >budge. How do I get the arm and link mated together? If it was the
> >Girling, I'd remove the top filler cap to release the pressure. But
> the
> >Andrex has no cap, just a plate on the SIDE with a couple of screws
> in
> >it. How is pressure released in an Andrex hydraulic Damper and what
> is
> >the procedure?
> >
> >2. I don't see how the two pieces became separated. Perhaps the
> fact
> >that the rubber bushing is missing means it wore in half. But still
> the
> >two should not been able to separate. Does anyone have an idea how
> to
> >prevent this from happening again? I would think a washer and
> cotter pin
> >at the end of the inserted pin would have been designed into the
> system,
> >but the rod/pin was not made long enough to do this.
> >
> >One solution, of course, is to forget about the Andrex. I really
> don't
> >need two shocks per wheel. However, I'd like to return the MkII to
> its
> >proper configuration. In the meantime, I should have no problem
> driving
> >it (like 300 miles this weekend).
> >
> >Any and all assistance will be appreciated.
> >
> >Stu Keen
> >1951 MG TD MkII
> >
>
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