[Healeys] O/D slipping - update

Bob Haskell rchaskell at earthlink.net
Tue Jan 21 20:15:02 MST 2014


It's on the team.net web server.  But mjb doesn't have the web stuff 
working at the moment.

http://www.team.net/www/healey/tech/big_hly/od/delborder_od.html

I can mail Steve the text of the article if need be.

Cheers,

Bob Haskell
AHCA 3000 Mk I registrar
http://www.ciahc.org/registry_3000mk1.php

On 01/21/2014 09:58 PM, jerry wall wrote:
> steve,
> see if you can find del borders excellent od rebuild articles that appeared
> in Healey Marque some 15 or so years ago.  follow his tips for shimming
> etc. and your unit will be better than new. He also discusses minimum
> pressures etc. i thought i had these on my computer, however, can't seem to
> locate.
> cheers,
>
>
> On Tue, Jan 21, 2014 at 5:02 PM, BJ8Healeys <sbyers at ec.rr.com> wrote:
>
>> Hello, Healeyphiles -
>>
>>
>>
>> A few weeks ago I reported a slipping in my overdrive.   Conventional list
>> wisdom said it was probably low oil pressure, although the overdrive was
>> engaging immediately when I flipped the switch and seemed to slip only when
>> I accelerated more than gently in third gear.  I suspected the sliding
>> clutch linings were worn out.
>>
>>
>>
>> I bought a pressure gauge from Jay Holekamp and today was a nice enough day
>> that I could take the car out for a test drive (top down, of course, here
>> in
>> the Southland, but I'm not gloating).  The results:
>>
>> I'm getting a maximum of 365 psi.   If I have O/D selected, when I go
>> through 3rd gear the pressure drops immediately to about 100 psi, I hear
>> the
>> 'whizzing" sound,  and then the pressure comes back up to 365 as the O/D
>> engages.  Once engaged, it does not slip.
>>
>>
>>
>> When I got home, I drained the oil and began the process of pulling the
>> gearbox and O/D out of the car.  Magnus Karlsson recommends that I plan on
>> replacing those components controlling oil pressure, so I guess I will do
>> that whether or not I need a new sliding clutch, too.
>>
>>
>>
>> Steve Byers
>>
>> HBJ8L/36666
>>
>> BJ8 Registry
>>
>> Havelock, NC
>> _______________________________________________
>> Support Team.Net http://www.team.net/donate.html
>> Suggested annual donation  $12.75
>> Archive: http://www.team.net/archive
>> Forums: http://www.team.net/forums
>>
>> Healeys at autox.team.net
>> http://autox.team.net/mailman/listinfo/healeys
>>
>> Unsubscribe/Manage:
>> http://autox.team.net/mailman/options/healeys/jwbn6hrdtp@gmail.com


More information about the Healeys mailing list