[Healeys] Trany Noise Question

David Nock healeydoc at sbcglobal.net
Wed Oct 21 09:18:44 MDT 2009


Check the driveshaft clearance to the seat belt bolts and also the  
hand brake cable.. They are very close when the car is up on stands  
and running.




David Nock
British Car Specialists
Stockton Ca 95205
209-948-8767

www.britishcarspecialists.com
.
.

On Oct 20, 2009, at 5:20 PM, Mark LaPierre wrote:

> This is no doubt a very tough question to answer but any ideas  
> would be
> appreciated.
>
> Rebuilt, 28% O/D transmission.   Everything works well,   However.
>
> I am getting a noticeable clunk, clunk, clunk coming from the O/D  
> unit as I am
> test
> driving the car with the trany tunnel off.    I can put my hand on  
> the O/D
> unit and feel
> the noise as I am driving.   I hear/feel the noise in all gears and  
> when in
> neutral and
> when the O/D is engaged or not engaged.
>
> The noise starts at about 20 to 25 MPH and gets more rapid as the  
> speed
> increases.
> I removed the speedo cable, still have the noise.    I removed the  
> speedo
> cable drive
> pinion from the O/D unit and capped it off,  still had the noise.
>
> I haven't totally cancelled out the new U-joint but it sure feels  
> like its
> coming from the OD unit.
>
> Got anything gentlemen?
>
> Thanks,,   Mark
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