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Re: [Healeys] Overdrive pressure or clutch slip Step 2!

To: Michael Salter <michaelsalter@gmail.com>
Subject: Re: [Healeys] Overdrive pressure or clutch slip Step 2!
From: john harper <ah100tech@gmail.com>
Date: Fri, 26 Apr 2024 09:42:11 +0100
Cc: Healeys <healeys@autox.team.net>
Delivered-to: mharc@autox.team.net
Delivered-to: healeys@autox.team.net
References: <000001da94ac$ef5baf60$ce130e20$@alexarevel.plus.com> <CAB3i7LLa7eF4uRmt7C3SiFD=bQ1nrr+60wVbs5=fcNciD1xDvg@mail.gmail.com> <CAB3i7LJ5_SSymnt7DmEnGVTdpLupbciviT2gsQpzLCW+JKNVDg@mail.gmail.com> <000401da972d$c08560e0$419022a0$@alexarevel.plus.com> <CAB3i7LL2-0LD1CQR=b54DOwwmXiYTDbMQfpJ1g7yzDNXV7aNqw@mail.gmail.com> <000901da9748$28e90410$7abb0c30$@alexarevel.plus.com> <CAB3i7L+LrxSYe_5RUCD-uEOFfVt2AT=UZJMABm-dAeoZuVKLgw@mail.gmail.com>
--===============6329449933638848094==

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Content-Transfer-Encoding: quoted-printable

Could it be as simple as the rubber buffer below the solenoid plunger going
rotten and disappeared? This could also apply to adjustable metal stop on
the other model.

The solenoid will only work reliably if the plunger is well up into the
solenoid. If too low there is insufficient magnetic circuit to reliably
pull the plunger in.

I have had this where the overdrive does not always engage and sometimes
would disengage without a reason

On Fri, 26 Apr 2024 at 00:49, Michael Salter <michaelsalter@gmail.com>
wrote:

> Okay, then it is confirmed that neither the clutch (on the flywheel) nor
> the overdrive cone clutch (in it's normal drive condition) are producing
> the slippage.
> From this we can conclude that even when the overdrive solenoid is *not*
> energized the slippage is occurring at the overdrive cone clutch and that
> for some reason hydraulic pressure is finding its way into the overdrive
> operating cylinders even when the overdrive operating valve is closed.
> This can be caused by leakage past operating the valve or residual
> pressure.
> The question of residual pressure can be resolved by checking that the
> bleed hole in the bottom of the long overdrive valve push rod is not
> blocked.
> Whether or not hydraulic pressure is leaking past the operating valve bal=
l
> can be checked by ensuring that the ball is clearly on its seat when the
> operating valve is *not * energized.
>
> M
>
> On Thu., Apr. 25, 2024, 3:38 p.m. Simon Lachlan, <
> simon.lachlan@alexarevel.plus.com> wrote:
>
>> Of course. Isn=E2=80=99t that how I got the 520psi?
>>
>>
>>
>> *From:* Michael Salter <michaelsalter@gmail.com>
>> *Sent:* Thursday, April 25, 2024 6:19 PM
>> *To:* Simon Lachlan <simon.lachlan@alexarevel.plus.com>
>> *Cc:* Healeys <healeys@autox.team.net>
>> *Subject:* Re: Overdrive pressure or clutch slip Step 2!
>>
>>
>>
>> Question  ... when you got home and did the pressure test I presume that
>> was AFTER you had put the valve with the "top hat", ball, spring and val=
ve
>> rod cap and washer back into position?
>>
>>
>>
>> M
>>
>>
>>
>>
>>
>>
>>
>> On Thu., Apr. 25, 2024, 12:29 p.m. Simon Lachlan, <
>> simon.lachlan@alexarevel.plus.com> wrote:
>>
>> So, here is Michael=E2=80=99s =E2=80=9CStep 1=E2=80=9D completed. (See h=
is email, below).
>>
>>    1. Removed the operating valve and, just for luck, disconnected the
>>    two wires into 3rd/4th switch. Took the car for a spin. Up/down
>>    longish/steepish hills, 10 miles on motorway. Various rpm=E2=80=A6..n=
o slippage at
>>    all.
>>    2. Had a puncture=E2=80=A6..nail in tyre. Rear RHS. Flat as a pancake=
 at
>>    once. Nearly onto rim. Nail! I imagine the inner tube is shredded and=
 the
>>    tyre may be a write-off. (Usually are!). Anyhow, I bore you with this=
 as
>>    I=E2=80=99m convinced that I=E2=80=99d never have got the wheel off w=
ithout the little
>>    scissors jack which I carry to get the car up the first few inches un=
til
>>    the Healey jack comes into play. Just a suggestion=E2=80=A6=E2=80=A6.
>>    3. Got home and jacked car up to test pressure. Steady at 520psi
>>    which, I recall, is plenty. Stayed at 520 across rev range. Dropped v=
ery
>>    slowly once engine was off and dropped to zero as I engaged/disengage=
d OD a
>>    few times. Which is normal I think?
>>    4. Solenoid makes a robust =E2=80=9Cclick=E2=80=9D when it should and=
 engages the OD
>>    when activated.
>>
>> So what=E2=80=99s a sensible =E2=80=9CStep 2=E2=80=9D??
>>
>> I have been urged to check the setting of the Throttle Switch (TS).
>> Assuming that the slippage returns (and why wouldn=E2=80=99t it?), I=E2=
=80=99ll short the
>> TS out to see if that fixes it. If it does, I=E2=80=99ll check the adjus=
tment.
>>
>> Suggestions would be more than welcome=E2=80=A6=E2=80=A6I do dread havin=
g to take that
>> box out again. I=E2=80=99ve got a very adequate ramp and a very strong v=
olunteer(?)
>> but, regardless of all that, it=E2=80=99s still quite a task. And, like =
a few of
>> us, I=E2=80=99m not as young as I once was. I=E2=80=99ve always enjoyed =
the lines from the
>> manual which I reproduce, below. =E2=80=9CGently ease=E2=80=9D!?!
>>
>>
>>
>> Thanks, Simon
>>
>>
>>
>> *From:* Michael Salter <michaelsalter@gmail.com>
>> *Sent:* Monday, April 22, 2024 3:21 PM
>> *To:* Simon Lachlan <simon.lachlan@alexarevel.plus.com>
>> *Cc:* Healeys <healeys@autox.team.net>
>> *Subject:* Re: [Healeys] Overdrive pressure or clutch slip
>>
>>
>>
>> *Correct diagnosis is 1/2 the repair!!*
>>
>>
>>
>> First you need to confirm whether the clutch (on the flywheel) or the
>> overdrive is causing the slippage.
>>
>> To do this you ABSOLUTELY MUST disable the overdrive as a badly
>> misadjuster overdrive operating valve can produce similar symptoms.
>>
>> To do this I would remove the overdrive operating valve completely.
>> (There are other ways but this is absolutely definitive).
>>
>> Now drive the car up a long hill where you are amle to use full throttle
>> at around 3000 RPM (maximum torque) for a few seconds. If it is the clut=
ch
>> (on the flywheel) that is causing the slippage these operating condition=
s.
>> Test this a few times to be sure.
>>
>> If there is no slippage we have confirmed that the overdrive clutch is a=
t
>> fault.
>>
>>
>>
>> Step 1 completed. Please report results. MS.
>>
>>
>>
>>
>>
>>
>>
>> On Mon., Apr. 22, 2024, 8:08 a.m. Simon Lachlan via Healeys, <
>> healeys@autox.team.net> wrote:
>>
>> You may recall the very extended overdrive and clutch saga last year. Lo=
ng
>> story short(ish)=E2=80=A6
>>
>> OD was slipping in and out depending on oil temperature.
>>
>> Correctly diagnosed pressure. Checked with gauge.
>>
>> Attempted rebuild=E2=80=A6going only so far as accumulator and related s=
eals.
>>
>> Stymied as could not get pump out. Turned out to have been =E2=80=9Cfixe=
d=E2=80=9D at
>> some stage with some form of =E2=80=9Cchemical metal=E2=80=9D which was =
coming loose/apart.
>>
>> Took it up to OD Spares who fixed it..new housing etcetc
>>
>> Why not a new clutch I thought? Sensible while you=E2=80=99re in the are=
a looking
>> at a 30+ yr old item.
>>
>> New clutch=E2=80=A6no good. Noisy, wouldn=E2=80=99t engage/disengage/pla=
y at all.
>>
>> Gearbox out again.
>>
>> Refit clutch. Presumed I=E2=80=99d made some beginner=E2=80=99s mistake.
>>
>> Refit gearbox=E2=80=A6no good. Same
>>
>> Can=E2=80=99t recall whether I tried again. Lost count and enthusiasm by=
 now.
>>
>> Turned out that the new clutch kit was defective. (Thanks Mirek) (Genuin=
e
>> B&B from AHSpares).
>>
>> New one did work.
>>
>> Saga over until yesterday.
>>
>> Same sort of symptoms=E2=80=A6..
>>
>> All=E2=80=99s well for first 10 or so miles. Then the dreaded slippage(?=
) starts.
>> But it=E2=80=99s not quite the same. Reminds me more of a slipping clutc=
h. (But NO
>> smell)
>>
>> Symptoms continue if it=E2=80=99s in or out of OD.
>>
>> Symptoms reduce at speed.
>>
>> Yes, plenty of oil. Over the full mark. Looks very clean. Pretty sure
>> it=E2=80=99s 40wt non-detergent topped up with 30wt non-detergent. (Or
>> vice-versa). Am confident in state of the filter, magnets etc.
>>
>> No, I have not pressure tested it yet and yes, I dread restarting the
>> whole bloody process all over again. I=E2=80=99m not sure I can face tak=
ing the box
>> out again once, let alone multiple times.
>>
>> What I want and experience tells me I=E2=80=99m unlikely to get is a mir=
acle cure!
>>
>> One initial question=E2=80=A6..do OD relays either work or not work? ie,=
 can the
>> relay hover between on and off which might lead to the OD coming in and
>> out? I think that could happen if the switch is off but the unit still
>> hasn=E2=80=99t got the message to disengage from the bulkhead switch.
>>
>> And a supplementary=E2=80=A6.how do I bench test the relay?
>>
>> Simon
>>
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Content-Transfer-Encoding: quoted-printable

<div dir=3D"ltr">Could it be as simple as the rubber buffer below the solen=
oid=C2=A0plunger going rotten and disappeared? This could also apply to adj=
ustable metal stop on the other model.<div><br></div><div>The solenoid will=
 only work reliably if the plunger is well up into the solenoid. If too low=
 there is insufficient magnetic circuit to reliably pull the plunger in.</d=
iv><div><br></div><div>I have had this where the overdrive does not always =
engage and sometimes would disengage without a reason</div></div><br><div c=
lass=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail_attr">On Fri, 26 Apr 2=
024 at 00:49, Michael Salter &lt;<a href=3D"mailto:michaelsalter@gmail.com"=
>michaelsalter@gmail.com</a>&gt; wrote:<br></div><blockquote class=3D"gmail=
_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204=
,204);padding-left:1ex"><div dir=3D"auto">Okay, then it is confirmed that n=
either the clutch (on the flywheel) nor the overdrive cone clutch (in it&#3=
9;s normal drive condition) are producing the slippage.=C2=A0<div dir=3D"au=
to">From this we can conclude that even when the overdrive solenoid is <b><=
u>not</u></b> energized=C2=A0the slippage is occurring at the overdrive con=
e clutch and that for some reason hydraulic pressure is finding its way int=
o the overdrive operating cylinders even when the overdrive operating valve=
 is closed.</div><div dir=3D"auto">This can be caused by leakage past opera=
ting the valve or residual pressure.</div><div dir=3D"auto">The question of=
 residual pressure can be resolved by checking that the bleed hole in the b=
ottom of the long overdrive valve push rod is not blocked.</div><div dir=3D=
"auto">Whether or not hydraulic pressure is leaking past the operating valv=
e ball can be checked by ensuring that the ball is clearly on its seat when=
 the operating valve is <u style=3D"font-weight:bold">not=C2=A0</u>=C2=A0en=
ergized.</div><div dir=3D"auto"><br></div><div dir=3D"auto">M</div></div><b=
r><div class=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail_attr">On Thu.,=
 Apr. 25, 2024, 3:38 p.m. Simon Lachlan, &lt;<a href=3D"mailto:simon.lachla=
n@alexarevel.plus.com" rel=3D"noreferrer" target=3D"_blank">simon.lachlan@a=
lexarevel.plus.com</a>&gt; wrote:<br></div><blockquote class=3D"gmail_quote=
" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);=
padding-left:1ex"><div lang=3D"EN-GB" style=3D"overflow-wrap: break-word;">=
<div><p class=3D"MsoNormal"><span style=3D"font-family:&quot;Times New Roma=
n&quot;,serif">Of course. Isn=E2=80=99t that how I got the 520psi?<u></u><u=
></u></span></p><p class=3D"MsoNormal"><span style=3D"font-family:&quot;Tim=
es New Roman&quot;,serif"><u></u>=C2=A0<u></u></span></p><div style=3D"bord=
er-right:none;border-bottom:none;border-left:none;border-top:1pt solid rgb(=
225,225,225);padding:3pt 0cm 0cm"><p class=3D"MsoNormal"><b><span lang=3D"E=
N-US" style=3D"font-size:11pt;font-family:Calibri,sans-serif">From:</span><=
/b><span lang=3D"EN-US" style=3D"font-size:11pt;font-family:Calibri,sans-se=
rif"> Michael Salter &lt;<a href=3D"mailto:michaelsalter@gmail.com"; rel=3D"=
noreferrer noreferrer" target=3D"_blank">michaelsalter@gmail.com</a>&gt; <b=
r><b>Sent:</b> Thursday, April 25, 2024 6:19 PM<br><b>To:</b> Simon Lachlan=
 &lt;<a href=3D"mailto:simon.lachlan@alexarevel.plus.com"; rel=3D"noreferrer=
 noreferrer" target=3D"_blank">simon.lachlan@alexarevel.plus.com</a>&gt;<br=
><b>Cc:</b> Healeys &lt;<a href=3D"mailto:healeys@autox.team.net"; rel=3D"no=
referrer noreferrer" target=3D"_blank">healeys@autox.team.net</a>&gt;<br><b=
>Subject:</b> Re: Overdrive pressure or clutch slip Step 2!<u></u><u></u></=
span></p></div><p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p><div><p class=
=3D"MsoNormal">Question=C2=A0 ... when you got home and did the pressure te=
st I presume that was AFTER you had put the valve with the &quot;top hat&qu=
ot;, ball, spring and valve rod cap and washer back into position?<u></u><u=
></u></p><div><p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p></div><div><p =
class=3D"MsoNormal">M<u></u><u></u></p><div><p class=3D"MsoNormal"><u></u>=
=C2=A0<u></u></p></div><div><p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p>=
</div></div></div><p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p><div><div>=
<p class=3D"MsoNormal">On Thu., Apr. 25, 2024, 12:29 p.m. Simon Lachlan, &l=
t;<a href=3D"mailto:simon.lachlan@alexarevel.plus.com"; rel=3D"noreferrer no=
referrer" target=3D"_blank">simon.lachlan@alexarevel.plus.com</a>&gt; wrote=
:<u></u><u></u></p></div><blockquote style=3D"border-top:none;border-right:=
none;border-bottom:none;border-left:1pt solid rgb(204,204,204);padding:0cm =
0cm 0cm 6pt;margin-left:4.8pt;margin-right:0cm"><div><div><p class=3D"MsoNo=
rmal"><span style=3D"font-family:&quot;Times New Roman&quot;,serif">So, her=
e is Michael=E2=80=99s =E2=80=9CStep 1=E2=80=9D completed. (See his email, =
below).</span><u></u><u></u></p><ol start=3D"1" type=3D"1"><li><span style=
=3D"font-family:&quot;Times New Roman&quot;,serif">Removed the operating va=
lve and, just for luck, disconnected the two wires into 3<sup>rd</sup>/4<su=
p>th</sup> switch. Took the car for a spin. Up/down longish/steepish hills,=
 10 miles on motorway. Various rpm=E2=80=A6..no slippage at all.</span><u><=
/u><u></u></li><li><span style=3D"font-family:&quot;Times New Roman&quot;,s=
erif">Had a puncture=E2=80=A6..nail in tyre. Rear RHS. Flat as a pancake at=
 once. Nearly onto rim. Nail! I imagine the inner tube is shredded and the =
tyre may be a write-off. (Usually are!). Anyhow, I bore you with this as I=
=E2=80=99m convinced that I=E2=80=99d never have got the wheel off without =
the little scissors jack which I carry to get the car up the first few inch=
es until the Healey jack comes into play. Just a suggestion=E2=80=A6=E2=80=
=A6.</span><u></u><u></u></li><li><span style=3D"font-family:&quot;Times Ne=
w Roman&quot;,serif">Got home and jacked car up to test pressure. Steady at=
 520psi which, I recall, is plenty. Stayed at 520 across rev range. Dropped=
 very slowly once engine was off and dropped to zero as I engaged/disengage=
d OD a few times. Which is normal I think?</span><u></u><u></u></li><li><sp=
an style=3D"font-family:&quot;Times New Roman&quot;,serif">Solenoid makes a=
 robust =E2=80=9Cclick=E2=80=9D when it should and engages the OD when acti=
vated.</span><u></u><u></u></li></ol><p class=3D"MsoNormal"><span style=3D"=
font-family:&quot;Times New Roman&quot;,serif">So what=E2=80=99s a sensible=
 =E2=80=9CStep 2=E2=80=9D??</span><u></u><u></u></p><p class=3D"MsoNormal">=
<span style=3D"font-family:&quot;Times New Roman&quot;,serif">I have been u=
rged to check the setting of the Throttle Switch (TS). Assuming that the sl=
ippage returns (and why wouldn=E2=80=99t it?), I=E2=80=99ll short the TS ou=
t to see if that fixes it. If it does, I=E2=80=99ll check the adjustment.</=
span><u></u><u></u></p><p class=3D"MsoNormal"><span style=3D"font-family:&q=
uot;Times New Roman&quot;,serif">Suggestions would be more than welcome=E2=
=80=A6=E2=80=A6I do dread having to take that box out again. I=E2=80=99ve g=
ot a very adequate ramp and a very strong volunteer(?) but, regardless of a=
ll that, it=E2=80=99s still quite a task. And, like a few of us, I=E2=80=99=
m not as young as I once was. I=E2=80=99ve always enjoyed the lines from th=
e manual which I reproduce, below. =E2=80=9CGently ease=E2=80=9D!?! </span>=
<u></u><u></u></p><p class=3D"MsoNormal"><span style=3D"font-family:&quot;T=
imes New Roman&quot;,serif"><img border=3D"0" width=3D"495" height=3D"73" s=
tyle=3D"width: 5.1583in; height: 0.7583in;" id=3D"m_8611403488891506887m_89=
75975245683812366m_1423999843312464712_x0000_i1025"></span><u></u><u></u></=
p><p class=3D"MsoNormal"><span style=3D"font-family:&quot;Times New Roman&q=
uot;,serif">=C2=A0</span><u></u><u></u></p><p class=3D"MsoNormal"><span sty=
le=3D"font-family:&quot;Times New Roman&quot;,serif">Thanks, Simon</span><u=
></u><u></u></p><p class=3D"MsoNormal"><span style=3D"font-family:&quot;Tim=
es New Roman&quot;,serif">=C2=A0</span><u></u><u></u></p><div style=3D"bord=
er-right:none;border-bottom:none;border-left:none;border-top:1pt solid rgb(=
225,225,225);padding:3pt 0cm 0cm"><p class=3D"MsoNormal"><b><span lang=3D"E=
N-US" style=3D"font-size:11pt;font-family:Calibri,sans-serif">From:</span><=
/b><span lang=3D"EN-US" style=3D"font-size:11pt;font-family:Calibri,sans-se=
rif"> Michael Salter &lt;<a href=3D"mailto:michaelsalter@gmail.com"; rel=3D"=
noreferrer noreferrer" target=3D"_blank">michaelsalter@gmail.com</a>&gt; <b=
r><b>Sent:</b> Monday, April 22, 2024 3:21 PM<br><b>To:</b> Simon Lachlan &=
lt;<a href=3D"mailto:simon.lachlan@alexarevel.plus.com"; rel=3D"noreferrer n=
oreferrer" target=3D"_blank">simon.lachlan@alexarevel.plus.com</a>&gt;<br><=
b>Cc:</b> Healeys &lt;<a href=3D"mailto:healeys@autox.team.net"; rel=3D"nore=
ferrer noreferrer" target=3D"_blank">healeys@autox.team.net</a>&gt;<br><b>S=
ubject:</b> Re: [Healeys] Overdrive pressure or clutch slip</span><u></u><u=
></u></p></div><p class=3D"MsoNormal">=C2=A0<u></u><u></u></p><div><div><p =
class=3D"MsoNormal"><b><u>Correct diagnosis is 1/2 the repair!!</u></b><u><=
/u><u></u></p></div><div><p class=3D"MsoNormal">=C2=A0<u></u><u></u></p></d=
iv><p class=3D"MsoNormal">First you need to confirm whether the clutch (on =
the flywheel) or the overdrive is causing the slippage.=C2=A0<u></u><u></u>=
</p><div><p class=3D"MsoNormal">To do this you ABSOLUTELY MUST disable the =
overdrive as a badly misadjuster overdrive operating valve can produce simi=
lar symptoms.=C2=A0<u></u><u></u></p></div><div><p class=3D"MsoNormal">To d=
o this I would remove the overdrive operating valve completely. (There are =
other ways but this is absolutely definitive).<u></u><u></u></p></div><div>=
<p class=3D"MsoNormal">Now drive the car up a long hill where you are amle =
to use full throttle at around 3000 RPM (maximum torque) for a few seconds.=
 If it is the clutch (on the flywheel) that is causing the slippage these o=
perating conditions. Test this a few times to be sure.<u></u><u></u></p></d=
iv><div><p class=3D"MsoNormal">If there is no slippage we have confirmed th=
at the overdrive clutch is at fault.<u></u><u></u></p></div><div><p class=
=3D"MsoNormal">=C2=A0<u></u><u></u></p></div><div><p class=3D"MsoNormal">St=
ep 1 completed. Please report results.=C2=A0MS.<u></u><u></u></p></div><div=
><p class=3D"MsoNormal">=C2=A0<u></u><u></u></p></div><div><p class=3D"MsoN=
ormal">=C2=A0<u></u><u></u></p></div></div><p class=3D"MsoNormal">=C2=A0<u>=
</u><u></u></p><div><blockquote style=3D"border-top:none;border-right:none;=
border-bottom:none;border-left:1pt solid rgb(204,204,204);padding:0cm 0cm 0=
cm 6pt;margin:5pt 0cm 5pt 4.8pt"><div><div><p class=3D"MsoNormal">On Mon., =
Apr. 22, 2024, 8:08 a.m. Simon Lachlan via Healeys, &lt;<a href=3D"mailto:h=
ealeys@autox.team.net" rel=3D"noreferrer noreferrer" target=3D"_blank">heal=
eys@autox.team.net</a>&gt; wrote:<u></u><u></u></p></div><blockquote style=
=3D"border-top:none;border-right:none;border-bottom:none;border-left:1pt so=
lid rgb(204,204,204);padding:0cm 0cm 0cm 6pt;margin:5pt 0cm 5pt 4.8pt"><div=
><p><span style=3D"font-family:&quot;Times New Roman&quot;,serif">You may r=
ecall the very extended overdrive and clutch saga last year.</span> <span s=
tyle=3D"font-family:&quot;Times New Roman&quot;,serif">Long story short(ish=
)=E2=80=A6</span><u></u><u></u></p><p><span style=3D"font-family:&quot;Time=
s New Roman&quot;,serif">OD was slipping in and out depending on oil temper=
ature.</span><u></u><u></u></p><p><span style=3D"font-family:&quot;Times Ne=
w Roman&quot;,serif">Correctly diagnosed pressure. Checked with gauge.</spa=
n><u></u><u></u></p><p><span style=3D"font-family:&quot;Times New Roman&quo=
t;,serif">Attempted rebuild=E2=80=A6going only so far as</span> <span style=
=3D"font-family:&quot;Times New Roman&quot;,serif">accumulator and related =
seals.</span><u></u><u></u></p><p><span style=3D"font-family:&quot;Times Ne=
w Roman&quot;,serif">Stymied as could not get pump out. Turned out to have =
been =E2=80=9Cfixed=E2=80=9D at some stage with some form of =E2=80=9Cchemi=
cal metal=E2=80=9D which was coming loose/apart.</span><u></u><u></u></p><p=
><span style=3D"font-family:&quot;Times New Roman&quot;,serif">Took it up t=
o OD Spares who fixed it..new housing etcetc</span><u></u><u></u></p><p><sp=
an style=3D"font-family:&quot;Times New Roman&quot;,serif">Why not a new cl=
utch I thought? Sensible while you=E2=80=99re in the area looking at a 30+ =
yr old item.</span><u></u><u></u></p><p><span style=3D"font-family:&quot;Ti=
mes New Roman&quot;,serif">New clutch=E2=80=A6no good. Noisy, wouldn=E2=80=
=99t</span> <span style=3D"font-family:&quot;Times New Roman&quot;,serif">e=
ngage/disengage/play at all.</span><u></u><u></u></p><p><span style=3D"font=
-family:&quot;Times New Roman&quot;,serif">Gearbox out again.</span><u></u>=
<u></u></p><p><span style=3D"font-family:&quot;Times New Roman&quot;,serif"=
>Refit clutch. Presumed I=E2=80=99d made some beginner=E2=80=99s mistake.</=
span><u></u><u></u></p><p><span style=3D"font-family:&quot;Times New Roman&=
quot;,serif">Refit gearbox=E2=80=A6no good. Same</span><u></u><u></u></p><p=
><span style=3D"font-family:&quot;Times New Roman&quot;,serif">Can=E2=80=99=
t recall whether I tried again. Lost count and enthusiasm by now.</span><u>=
</u><u></u></p><p><span style=3D"font-family:&quot;Times New Roman&quot;,se=
rif">Turned out that the new clutch kit was defective. (Thanks Mirek) (Genu=
ine B&amp;B from AHSpares).</span><u></u><u></u></p><p><span style=3D"font-=
family:&quot;Times New Roman&quot;,serif">New one did work.</span><u></u><u=
></u></p><p><span style=3D"font-family:&quot;Times New Roman&quot;,serif">S=
aga over until yesterday.</span><u></u><u></u></p><p><span style=3D"font-fa=
mily:&quot;Times New Roman&quot;,serif">Same sort of symptoms=E2=80=A6..</s=
pan><u></u><u></u></p><p><span style=3D"font-family:&quot;Times New Roman&q=
uot;,serif">All=E2=80=99s well for first 10 or so miles. Then the dreaded s=
lippage(?) starts. But it=E2=80=99s not quite the same. Reminds me more of =
a slipping clutch. (But NO smell)</span><u></u><u></u></p><p><span style=3D=
"font-family:&quot;Times New Roman&quot;,serif">Symptoms continue if it=E2=
=80=99s in or out of OD.</span><u></u><u></u></p><p><span style=3D"font-fam=
ily:&quot;Times New Roman&quot;,serif">Symptoms reduce at speed.</span><u><=
/u><u></u></p><p><span style=3D"font-family:&quot;Times New Roman&quot;,ser=
if">Yes, plenty of oil. Over the full mark. Looks very clean. Pretty sure i=
t=E2=80=99s 40wt</span> <span style=3D"font-family:&quot;Times New Roman&qu=
ot;,serif">non-detergent topped up with 30wt non-detergent. (Or vice-versa)=
.</span> <span style=3D"font-family:&quot;Times New Roman&quot;,serif">Am c=
onfident in state of the filter, magnets etc.</span><u></u><u></u></p><p><s=
pan style=3D"font-family:&quot;Times New Roman&quot;,serif">No, I have not =
pressure tested it yet and yes, I dread restarting the whole bloody process=
 all over again. I=E2=80=99m not sure I can face taking the box out again o=
nce, let alone multiple times.</span><u></u><u></u></p><p><span style=3D"fo=
nt-family:&quot;Times New Roman&quot;,serif">What I want and experience tel=
ls me I=E2=80=99m unlikely to get is a miracle cure!</span><u></u><u></u></=
p><p><span style=3D"font-family:&quot;Times New Roman&quot;,serif">One init=
ial question=E2=80=A6..do OD relays either work or not work? ie, can the re=
lay hover between on and off</span> <span style=3D"font-family:&quot;Times =
New Roman&quot;,serif">which might lead to the OD coming in and out? I thin=
k that could happen if the switch is off but the unit still hasn=E2=80=99t =
got the message to disengage from the bulkhead switch.</span><u></u><u></u>=
</p><p><span style=3D"font-family:&quot;Times New Roman&quot;,serif">And a =
supplementary=E2=80=A6.how</span> <span style=3D"font-family:&quot;Times Ne=
w Roman&quot;,serif">do I bench test</span> <span style=3D"font-family:&quo=
t;Times New Roman&quot;,serif">the relay?</span><u></u><u></u></p><p><span =
style=3D"font-family:&quot;Times New Roman&quot;,serif">Simon</span><u></u>=
<u></u></p></div></blockquote></div></blockquote></div></div></div></blockq=
uote></div></div></div></blockquote></div>
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