More comments on OD adjustment. To make sure the solenoid is fully up, slack
off the 7/16 head (1/4 inch bolt) on the shaft. Then actuate the solenoid.
Holding the other side of the valve actuating rod, turn off the solenoid and
rotate the rod a little. Measure the valve actuation for the 1/32 in called
for.
Also intermittent failure can be caused by faulty "throttle Switch". So when
diagnosing, just bypass that switch. On my wiring diagram I move W1 to C2 on
the "Overdrive Relay"
Hope some of this helps
Regards,
Jim LeBlanc
1956 100-M
--- On Thu, 8/19/10, Mark LaPierre <lapierrem@sbcglobal.net> wrote:
From: Mark LaPierre <lapierrem@sbcglobal.net>
Subject: Re: [Healeys] Intermittent OD failiure
To: healeys@Autox.Team.Net
Date: Thursday, August 19, 2010, 3:08 PM
Resent email-----
> This is one of the many finicky areas of our LBCs. Let me share my
findings.
>
> Trany tunnel off,
> new solenoid, new harness, all components working as needed, adjustment on
the side of trany done
> as per manual. Go for test drive with tunnel cover off and test
everything. No OD operation.
> Go back to man cave and readjust operating valve on side. Now getting
intermittent OD. Back to man
> cave and readjust again. Now getting OD.
>
> My problem was the touchy , mind blowing , stress testing, adjustment of
the operating valve.
> Over time the operating parts start to wear and we need to over compensate
in this adjustment.
> If you are sure all else is working right then this is where I would look.
>
> The solenoid can be tested here too by turning on the key , flip the dash
switch ON and move the shifter into third or forth.
> The solenoid should click on and be at its highest level.
> Also at the same time when you turn off the dash switch the solenoid should
kick out AFTER the
> the gas pedal is pushed down so far. Don't leave the ignition switch on
too long.
>
> Good Luck, when you get this going you have passed the Healey patience
and life time stress test.
>
> Mark
>
>
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