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<div>In order to kick down you have to turn the OD switch off. The throttle switch is meant to keep you from disengaging the overdrive while the throttle is closed. Austin and DHM felt that put too much stress on the drive train. You have to open the throttle
to get Revs up before the OD will disengage.</div>
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<div>Bill Lawrence</div>
<div>BN1 #554</div>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> Richard Kahn <tahoehealey@hotmail.com><br>
<b>Sent:</b> Friday, March 26, 2021 4:52 AM<br>
<b>To:</b> Bob Haskell <rchaskell@earthlink.net>; Bill Lawrence <ynotink@msn.com>; healeys@autox team. net <healeys@autox.team.net>; Oudesluys <coudesluijs@chello.nl>; David Porter <frogeye@porterscustom.com><br>
<b>Subject:</b> Re: [Healeys] overdrive problem</font>
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Interesting that he calls for non detergent oil. We have had this discussion often in the past. That has always been my preference.
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<div id="x_divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" color="#000000" style="font-size:11pt"><b>From:</b> Bob Haskell <rchaskell@earthlink.net><br>
<b>Sent:</b> Thursday, March 25, 2021 7:31 PM<br>
<b>To:</b> Richard Kahn <tahoehealey@hotmail.com>; Bill Lawrence <ynotink@msn.com>; healeys@autox team. net <healeys@autox.team.net>; Oudesluys <coudesluijs@chello.nl>; David Porter <frogeye@porterscustom.com><br>
<b>Subject:</b> Re: [Healeys] overdrive problem</font>
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<div class="x_PlainText">Yes. The throttle switch keeps the overdrive engaged when the dash
<br>
switch is turned off. The overdrive will disengage when the throttle is <br>
partially depressed.<br>
<br>
<a href="http://www.team.net/www/healey/tech/big_hly/od/adj_trblsht_od.html">http://www.team.net/www/healey/tech/big_hly/od/adj_trblsht_od.html</a><br>
<br>
Cheers,<br>
<br>
Bob Haskell<br>
Austin Healey 3000 BN7/BT7 registrar<br>
<br>
On 3/25/21 9:39 PM, Richard Kahn via Healeys wrote:<br>
> But isn't that only if the dash switch is off? That is how my OD <br>
> disengages.<br>
><br>
> ------------------------------------------------------------------------<br>
> *From:* Healeys <healeys-bounces@autox.team.net> on behalf of David <br>
> Porter via Healeys <healeys@autox.team.net><br>
> *Sent:* Thursday, March 25, 2021 5:18 PM<br>
> *To:* Bill Lawrence <ynotink@msn.com>; healeys@autox team. net <br>
> <healeys@autox.team.net>; Oudesluys <coudesluijs@chello.nl><br>
> *Subject:* Re: [Healeys] overdrive problem<br>
><br>
> Well, actually that is the job of the throttle position switch on the <br>
> firewall. If the OD is engaged, mashing the gas pedal should make the <br>
> OD to drop out.<br>
><br>
><br>
><br>
> On March 25, 2021, at 5:11 PM, WILLIAM B LAWRENCE via Healeys <br>
> <healeys@autox.team.net> wrote:<br>
><br>
><br>
> Sorry, but the Laycock deNormanville overdrive is not supposed to kick <br>
> down automatically. The most common fault that causes the OD to drop <br>
> out is faulty o-rings on the accumulator sleeve. This won’t allow the <br>
> OD to build full operating pressure.<br>
><br>
> Bill Lawrence<br>
> BN1 #554<br>
> ------------------------------------------------------------------------<br>
> *From:* Healeys <healeys-bounces@autox.team.net <br>
> <<a href="mailto:healeys-bounces@autox.team.net">mailto:healeys-bounces@autox.team.net</a>>> on behalf of Kees Oudesluijs
<br>
> via Healeys <healeys@autox.team.net <<a href="mailto:healeys@autox.team.net">mailto:healeys@autox.team.net</a>>><br>
> *Sent:* Tuesday, March 23, 2021 7:37 AM<br>
> *To:* healeys@autox.team.net <<a href="mailto:healeys@autox.team.net">mailto:healeys@autox.team.net</a>>
<br>
> <healeys@autox.team.net <<a href="mailto:healeys@autox.team.net">mailto:healeys@autox.team.net</a>>><br>
> *Subject:* Re: [Healeys] overdrive problem<br>
> That is the way it should be when accelerating hard, Kick down!!<br>
><br>
> Kees Oudesluijs<br>
><br>
><br>
> Op 23-3-2021 om 01:06 schreef healeymanjim via Healeys:<br>
> > friends BT7 had o/d quit. solenoid was bad so replaced it. now it <br>
> will go into o/d but pop out when accelerating. any<br>
> > ideas what the cause is and the fix?<br>
> > _______________________________________________<br>
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