[Healeys] overdrive not working

[Rich C]

Jess,

First thing to keep in mind is that all BN1's have a centrifugal governor 
switch on the overdrive which won't allow the o/d to engage under about 45 
MPH. Also check for adequate oil level.
If that doesn't do it, open up the workshop manual and go through the 
various electrical elimination steps outlined there. It's almost always an 
electrical thing causing it not to engage.
Another simple way to isolate the problem is to remove the gearbox cover, 
keeping the removable propshaft cover in place, and take the car out for a 
drive. When in top gear, reach over to the right side of the o/d unit and 
manually push the operating lever down to engage. This eliminates all the 
electrical things that may go wrong, and tells you if it's an internal 
problem or not.

Rich Chrysler

----- Original Message ----- 
From: "Jess Power" <jessmd1 at comcast.net>
To: <healeys at autox.team.net>
Sent: Friday, August 14, 2009 11:12 PM
Subject: [Healeys] overdrive not working


>  I bought a restored 1954 BN1.It has three gears and overdrive.The  seller 
> swears the overdrive worked fine just before transport.Is there  a 
> systematic way to check for the problem?
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