[Healeys] Question for Shop Owners / Restorers Only - OD

Eric (Rick) Wilkins e-wilkins at cox.net
Tue Jul 15 17:15:40 MDT 2008


I have to agree.

If you are having a pissing match, this is pretty good pissing.

It just takes a few minutes to fix the switch, even with the Haynes  
instructions.

Wilko-my-Healey-runs-again
San Diego

On Jul 15, 2008, at 4:05 PM, Mr. Finespanner wrote:

> Alan,
> I'm with Rich on this one.  The throttle switch is there to prevent
> negative torque on the overdrive unit when the OD is switched off.
> Negative torque, or, in other words, turning in the wrong direction,
> will hand grenade the uni-directional roller bearing clutch which is
> only allowed to turn one way (hence the name "uni-directional").
> This is the same reason why the OD should never be on in reverse,
> which is one purpose of the switch for the gear selector.  If these 2
> switches are not functioning correctly the roller bearing clutch can
> explode and create an expensive mess.  This guy can't be much of a
> Brit car mechanic if he doesn't understand something this basic.
> regards,
> Doug Reid, 18G Motorworks


More information about the Healeys mailing list