Subject: [Healeys] overdrive problem

From: healeymanjim via Healeys <[email-masked]>
Date: Mon, 22 Mar 2021 17:06:58 -0700

friends BT7 had o/d quit.  solenoid was bad so replaced it.  now it will go into o/d but pop out when accelerating.   any 
ideas what the cause is and the fix?
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From: Henry G Leach via Healeys <[email-masked]>
Date: Tue, 23 Mar 2021 04:55:52 +0000 alcrN13hadxGrK/bQayfBlY/QGwnS8sY5aBzLJvDj3dklRM2qcd143bJb3RaameSTvWz4Y2t4oPGbEwyF3Lm9iETSZaW86D4DM9dIZ8Vb1Fxog06NmzDebo9

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The other possible simple adjustment is the throttle switch set to=0A1/5=
th throttle-use the 12V test lamp and it sets perfect. (procedure=0Ain w=
orkshop book) If you fooled with carbs or linkage, this setting=0Acan be=
 disrupted.=0AAnother possible issue is dirt in the valve body...remove=
 the tunnel,=0Aunscrew valve nut and "carefully" remove shaft, spring an=
d ball and=0Aclean orffice. Be sure that the tiny hole in the bottom of=
 the valve=0Ashaft is open. Don't use a rag, q-tip or shop towel-no lint=
! Use a=0Asmall wire or welding tip cleaner. Hank=0A=0A=09--------------=
---------------------------From: "Bruce Steele" =0ATo: "Bob Spidell"=0AC=
c: =0ASent: Monday March 22 2021 9:41:20PM=0ASubject: Re: [Healeys] over=
drive problem=0A=0A I agree with Bob, but I'll share an experience I had=
 in the off=0Achance it=0A helps. I had a problem with my OD dropping ou=
t and/or cycling in and=0Aout.=0A After much trial and error and tracing=
 with the volt meter, I figured=0Aout=0A that the problem was that the f=
iber washer that came with the=0Areplacement=0A gear level position swit=
ch was slightly too thick, resulting in=0Aintermittent=0A closure of the=
 switch. Removed the washer and used Teflon tape=0Ainstead,=0A problem s=
olved.=0A=0A Bruce Steele=0A Brea, CA=0A 1960 BN7=0A=0A -----Original Me=
ssage-----=0A From: Healeys [mailto:[email-masked]] On B=
ehalf Of=0ABob=0A Spidell=0A Sent: Monday, March 22, 2021 7:50 PM=0A To:=
 [email-masked]=0A Subject: Re: [Healeys] overdrive problem=0A=
=0A The shop manual has a comprehensive diagnostic flow chart; and maybe=
=0Aa=0A troubleshooting guide as well.=0A=0A To make SWAGs, we need a li=
ttle more info:=0A=0A - does it stay in OD indefinitely, until he accele=
rates, or pop out=0A immediately?=0A - does it initially engage in 2-3 s=
econds, or take longer?=0A=0A If the pump is weak, OD would be slow to e=
ngage and, once the=0Aaccumulator=0A has engaged there might not be enou=
gh to hold OD. But, my guess would=0Abe=0A something electrical; possibl=
y the relay.=0A=0A Bob=0A=0A On 3/22/2021 5:06 PM, healeymanjim via Heal=
eys wrote:=0A > friends BT7 had o/d quit. solenoid was bad so replaced i=
t. now it=0Awill=0A go into o/d but pop out when accelerating. any=0A >=
 ideas what the cause is and the fix?=0A > _____________________________=
__________________=0A >=0A=0A __________________________________________=
_____=0A Support Team.Net http://www.team.net/donate.html [1] Suggested=
 annual=0Adonation=0A $12.75=0A=0A Archive: http://www.team.net/pipermai=
l/healeys [2]=0Ahttp://autox.team.net/archive=0A />=0A [email-masked]=
m.net=0A http://autox.team.net/mailman/listinfo/healeys=0A />=0A Unsubsc=
ribe/Manage:=0A http://autox.team.net/mailman/options/healeys/healeybruc=
[email-masked]=0A />=0A=0A ___________________________________________=
____=0A Support Team.Net http://www.team.net/donate.html=0A /> Suggested=
 annual donation $12.75=0A=0A Archive: http://www.team.net/pipermail/hea=
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Manage:=0Ahttp://autox.team.net/mailman/options/healeys/gradea1@charter.=
net=0A />=0A =0A=0ALinks:=0A------=0A[1] http://www.team.net/donate.html=
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ipermail/healeys=0A

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<html><body>The other possible simple adjustment is the throttle switch=
 set to 1/5th throttle-use the 12V test lamp and it sets perfect. (proce=
dure in workshop book) If you fooled with carbs or linkage, this setting=
 can be disrupted.<div><br></div><div>Another possible issue is dirt in=
 the valve body...remove the tunnel, unscrew valve nut and "carefully" r=
emove shaft, spring and ball and clean orffice.&nbsp; Be sure that the t=
iny hole in the bottom of the valve shaft is open. Don't use a rag, q-ti=
p or shop towel-no lint! Use a small wire or welding tip cleaner. Hank<b=
r><br><div class=3D"reply-new-signature"></div><p>----------------------=
-------------------</p>From: "Bruce Steele" <[email-masked]>=
<br>To: "Bob Spidell"<br>Cc: <br>Sent: Monday March 22 2021 9:41:20PM<br=
>Subject: Re: [Healeys] overdrive problem<br><br>=0AI agree with Bob, bu=
t I'll share an experience I had in the off=0Achance it<br>=0Ahelps. I h=
ad a problem with my OD dropping out and/or cycling in=0Aand out.<br>=0A=
After much trial and error and tracing with the volt meter, I=0Afigured=
 out<br>=0Athat the problem was that the fiber washer that came with the=
=0Areplacement<br>=0Agear level position switch was slightly too thick,=
 resulting in=0Aintermittent<br>=0Aclosure of the switch. Removed the wa=
sher and used Teflon tape=0Ainstead,<br>=0Aproblem solved.<br><br>=0ABru=
ce Steele<br>=0ABrea, CA<br>=0A1960 BN7<br><br>=0A-----Original Message-=
----<br>=0AFrom: Healeys [mailto:[email-masked]] On Beha=
lf Of=0ABob<br>=0ASpidell<br>=0ASent: Monday, March 22, 2021 7:50 PM<br>=
=0ATo: [email-masked]<br>=0ASubject: Re: [Healeys] overdrive pro=
blem<br><br>=0AThe shop manual has a comprehensive diagnostic flow chart=
; and=0Amaybe a<br>=0Atroubleshooting guide as well.<br><br>=0ATo make S=
WAGs, we need a little more info:<br><br>=0A- does it stay in OD indefin=
itely, until he accelerates, or pop=0Aout<br>=0Aimmediately?<br>=0A- doe=
s it initially engage in 2-3 seconds, or take longer?<br><br>=0AIf the p=
ump is weak, OD would be slow to engage and, once the=0Aaccumulator<br>=
=0Ahas engaged there might not be enough to hold OD. But, my guess=0Awou=
ld be<br>=0Asomething electrical; possibly the relay.<br><br>=0ABob<br><=
br>=0AOn 3/22/2021 5:06 PM, healeymanjim via Healeys wrote:<br>=0A&gt; f=
riends BT7 had o/d quit. solenoid was bad so replaced it. now=0Ait will<=
br>=0Ago into o/d but pop out when accelerating. any<br>=0A&gt; ideas wh=
at the cause is and the fix?<br>=0A&gt; ________________________________=
_______________<br>=0A&gt;<br><br>=0A___________________________________=
____________<br>=0ASupport Team.Net <a href=3D"http://www.team.net/donat=
e.html">http://www.team.net/donate.html</a> Suggested annual=0Adonation<=
br>=0A$12.75<br><br>=0AArchive: <a href=3D"http://www.team.net/pipermail=
/healeys">http://www.team.net/pipermail/healeys</a> <a href=3D"http://au=
tox.team.net/archive%3Cbr">http://autox.team.net/archive<br>=0A/&gt;<br>=
=[email-masked]<br></a> <a href=3D"http://autox.team.net/mailm=
an/listinfo/healeys%3Cbr">http://autox.team.net/mailman/listinfo/healeys=
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From: David Porter via Healeys <[email-masked]>
Date: Thu, 25 Mar 2021 18:18:18 -0600

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