Hi Carlos,
Almost invariably when a Healey will not reverse the overdrive is at fault.
You need to ensure absolutely that the overdrive is not engaged. The best
trick to determine this is to electrically, or manually, engage and then
disengage the overdrive several times to exhaust any oil pressure in the
overdrive accumulator. The same thing can often be achieved by leaving the
car sits overnight.
If the car will back up normally when you are sure there is no pressure
remaining in the overdrive unit then at least you know that the overdrive is
at fault.
Once you have finished the diagnosis we can start looking for the cause!!
Michael Salter
100 (1953)
AHX12 (1953)
Bugeye (1961)
http://www.netbug.net/blogmichael/
-----Original Message-----
From: healeys-bounces+msalter=precisionsportscar.com@autox.team.net
[mailto:healeys-bounces+msalter=precisionsportscar.com@autox.team.net] On
Behalf Of Carlos Cruz
Sent: April 16, 2008 5:38 PM
To: Healey List
Subject: [Healeys] No Reversing Us Now
Good afternoon Fellow Listers,
I was out on a tour this past weekend and experienced some problems with
reverse gear. After engaging reverse and easing my foot off the clutch, the
engine would rev but that car wouldn't go anywhere (or barely crawled
backwards). Not once during that trip did the car reverse as it should
have. After about 10 or 15 seconds with the RPMs elevated did the car begin
to move, although slowly, backwards. Any suggestions on what I should check
first?
Here's some other helpful information: Yes, the car was all the way in
gear. There is 20/50 in the transmission and was changed last fall. OD was
not engaged (and doesn't presently work). The transmission and OD were
rebuilt about 5K miles ago. The OD has all new sunwheel and planetary
gears. The transmission has new forks and a new laygear. The transmission
was working fine three weeks ago.
As always, I appreciate any thoughts and suggestions.
Cheers,
Carlos Cruz
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