[Healeys] Seeking List Wisdom

[Bob Spidell]

Thanks for all the helpful suggestions, guys.  Looks like I have some 
debugging to do.

On 9/17/2026 3:41 PM, William Atterbury via Healeys wrote:
> Hey Bob,
> Doesn't sound like the pump - 400 psi is good, but this can be 
> removed/resealed in situ.
> Your clue would be that it might engage at high roadspeed but not at low.
>
> I had a solenoid that was 'weak' and behaved like yours.  It 
> functioned, but resistance was high and pull force was low.
> It might throw but have marginal force to open the ball valve when 
> under pressure.
>
> Best way to isolate this is to check resistance or current of the 
> solenoid.
>
> Good Luck!
> ------------------------------
> Date: Thu, 17 Sep 2026 09:13:35 -0700
> From: Bob Spidell <bspidell at comcast.net>
> To: Healeys <healeys at autox.team.net>
> Subject: [Healeys] Seeking List Wisdom
> Message-ID: <a0c0f784-b253-4e6a-aea9-e24752184cc3 at comcast.net>
> Content-Type: text/plain; charset=UTF-8; format=flowed
>
> I've had an intermittent issue with my BJ8 O/D. It doesn't engage
> reliably, but does maybe 1 out of 10 attempts. I think I've ruled out
> electrical issues, as the solenoid activates reliably. I checked the
> hydraulic pressure, it's just under 400 PSI. I know that's low per the
> shop manual (470-490), but it has worked reliably for years and had the
> same pressure after an overhaul.
>
> Q1: Any ideas why it has stopped engaging after years and thousands of
> miles?
>
> Q2: If it's the pump, can these be changed out in situ?
>
> TIA,
> Bob
>
>
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