B4 doing all this, I'd pull the piston and see if the pin hole is
blocked---if so, clean it out and re-install--see if that clears up the
problem. It has happened to my OD with the same results.
tom
> [Original Message]
> From: Michael Salter <msalter@precisionsportscar.com>
> To: Roland Wilhelmy <rwil@sbcglobal.net>; <healeys@autox.team.net>
> Date: 7/14/04 9:58:23 PM
> Subject: RE: posting from Bob Brown (was HTML) Subject: OD Question
>
> Hi Bob,
> As Steve suggests the most likely cause is the accumulator. Either the
> "O" ring between the case and the accumulator body or excessive scoring
> of the bore.
> You can remove the accumulator from the overdrive without removing the
> gearbox as it is positioned under the side cover upon which the solenoid
> is mounted.
> It can be a little tricky to remove but I have a combination of battery
> hold down "J" bolt and pry bar which works quite well.
> New assemblies are available from the usual suspects but are not
> inexpensive as I recall.
> However, the one thing that I would recommend that you check before
> pulling it out is that the solenoid is correctly adjusted. Similar
> problems can be experienced if the operating valve ball is not quite
> lifting far enough.
>
> Michael Salter
> www.precisionsportscar.com
>
>
>
> -----Original Message-----
> From: owner-healeys@autox.team.net [mailto:owner-healeys@autox.team.net]
> On Behalf Of Roland Wilhelmy
> Sent: Wednesday, July 14, 2004 7:43 PM
> To: BlkBT7@aol.com; healeys@autox.team.net
> Subject: posting from Bob Brown (was HTML) Subject: OD Question
>
> Subject: Re: OD Question
> Date: 7/14/2004, 2:05 PM
> From: Bob Brown <BlkBT7@aol.com>
> To: Healeys <healeys@autox.team.net>
> Organization: Home
>
>
> I have a condition that I have not seen addressed here previously and
> would like
> suggestions on what to check.
>
> My BT7 OD works great on short trips, but on long trips I find that
> after about an
> hour of driving once I disengage the OD for any reason (stopping). The
> OD will not
> engage or will be do so intermittently.
>
> I check the fluid level regularly. I replaced the solenoid recently,
> and the firewall switch
> a couple of years ago. Suspecting that the electrical units were
> affected by heat, but
> neither solved the problem.
>
> Suggestions for diagnosing or solving?
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