[Healeys] Seeking List Wisdom

[JSARCH]

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 <healeys-bounces at autox.team.net> On Behalf Of Bob Spidell via
Healeys
Sent: Thursday, September 17, 2026 9:14 AM
To: Healeys <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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