[Healeys] Seeking List Wisdom

[JSARCH]

Bob, I don’t recall the exact pressure but it was good after I replaced the piston and housing. However, I got to thinking, can you hear the solenoid engage? Have you gone through the OD trouble shooting list?

 

JS

 

From: Bob Spidell <bspidell at comcast.net> 
Sent: Thursday, September 17, 2026 12:04 PM
To: JSARCH <jmsdarch at sbcglobal.net>; 'Healeys' <healeys at autox.team.net>
Subject: Re: [Healeys] Seeking List Wisdom

 

Thanks, John. Something to consider, but I replaced the accumulator cylinder, piston and spring with DWM 'uprated' parts when I overhauled it (only a few thousand miles ago). My hydraulic pressure has been consistent and steady--on- and off-idle--but on the low side. Do you know what your pressure was? 

Anyone else running the DWM gear?

bs




On 9/17/2026 11:52 AM, JSARCH wrote:

I had a problem where my OD would engage but would stop working after it heated up. It turned out to be a problem with the accumulator piston assembly not holding pressure. The piston, rings and housing can be removed in situ using a small piston ring expander to grip against the inside walls of the housing.



John,

'62 BT7

 

-----Original Message-----
From: Healeys  <mailto:healeys-bounces at autox.team.net> <healeys-bounces at autox.team.net> On Behalf Of Bob Spidell via Healeys
Sent: Thursday, September 17, 2026 9:14 AM
To: Healeys  <mailto:healeys at autox.team.net> <healeys at autox.team.net>
Subject: [Healeys] Seeking List Wisdom

 

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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