The O ring on the right side of the overdrive is under the small arm
that is used when adjusting the overdrive. On the left side of the
overdrive there are two ways. The early ones that are open the O ring
in on the out side. On the later units that have the covered side
housing the O ring is on the inside.
David Nock
British Car Specialists
Stockton Ca 95205
209-948-8767
www.britishcarspecialists.com
..
..
On Aug 31, 2009, at 1:46 PM, S and T Miller wrote:
> The workshop manuel only shows the seal on the Mark I and up, not
> on the BN4. Are you sure it has one? If it does have the seal
> then that would explain why mine is leaking- I didn't replace it!
> If so, is it on the inside or on the outside of the case? Crossing
> my fingers that you say outside, because the gearbox is in the car
> and all together. Thanks, Shawn
>
> The Millers
> "British Car Nuts"
>
> 1957 Austin Healey 100-6 BN4 35299
>
> 1959 Austin Healey 100-6 BN4 77219
>
> 1965 MGB 40841
>
> 1960 Austin Healey Bugeye Sprite AN5 34351
>
>
>
> CC: healeys@autox.team.net
> From: healeydoc@sbcglobal.net
> Subject: Re: [Healeys] 1959 100-6 Overdrive question
> Date: Mon, 31 Aug 2009 12:33:01 -0700
> To: stmiller96@hotmail.com
>
> All the overdrive units have a O ring under the adjusting rod.
> These leak all the time. You can remove the split pin the holds the
> arm on and then remove the O ring.
>
>
>
>
>
> David Nock
> British Car Specialists
> Stockton Ca 95205
> 209-948-8767
>
> www.britishcarspecialists.com
> .
> .
>
> On Aug 31, 2009, at 11:44 AM, S and T Miller wrote:
>
> I previously rebuilt my 100-6 59' gearbox and OD unit. I am
> leaking oil from
> the valve operating shaft on the setting lever side. Later OD
> units had a
> seal (inside) there, but the early ones didn't. I thought about
> putting an
> o-ring on the shaft and have it sandwiched between the setting
> lever and the
> housing, but thought it might interfere with the lever operation.
> Anyone ever
> come up with a good solution for this? Shawn
>
> The Millers
> "British Car Nuts"
>
> 1957 Austin Healey 100-6 BN4 35299
>
> 1959 Austin Healey 100-6 BN4 77219
>
> 1965 MGB 40841
>
> 1960 Austin Healey Bugeye Sprite AN5 34351
>
>
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