[Healeys] overdrive problem

[WILLIAM B LAWRENCE]

The symptoms I’ve seen and experienced are that the OD will engage and function until the oil temp comes up and the viscosity drops off and will then fail. I suppose it depends on the degree of degradation of the o-rings.
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From: Healeys <healeys-bounces at autox.team.net> on behalf of Bob Spidell <bspidell at comcast.net>
Sent: Thursday, March 25, 2021 11:14 PM
To: healeys at autox.team.net <healeys at autox.team.net>
Subject: Re: [Healeys] overdrive problem

Sure, but wouldn't faulty O-rings prevent the OD from engaging in the first place? Just guessing, but wouldn't a deficient pump cause same symptoms?


On 3/25/2021 4:07 PM, WILLIAM B LAWRENCE via Healeys wrote:
Sorry, but the Laycock deNormanville overdrive is not supposed to kick down automatically. The most common fault that causes the OD to drop out is faulty o-rings on the accumulator sleeve. This won’t allow the OD to build full operating pressure.

Bill Lawrence
BN1 #554
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From: Healeys <healeys-bounces at autox.team.net><mailto:healeys-bounces at autox.team.net> on behalf of Kees Oudesluijs via Healeys <healeys at autox.team.net><mailto:healeys at autox.team.net>
Sent: Tuesday, March 23, 2021 7:37 AM
To: healeys at autox.team.net<mailto:healeys at autox.team.net> <healeys at autox.team.net><mailto:healeys at autox.team.net>
Subject: Re: [Healeys] overdrive problem

That is the way it should be when accelerating hard, Kick down!!

Kees Oudesluijs


Op 23-3-2021 om 01:06 schreef healeymanjim via Healeys:
> 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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