[Healeys] Gearbox jumping out of 4th gear coasting downhill or decelerating

Alan Seigrist healey.nut at gmail.com
Thu Nov 9 19:47:01 MST 2017

Your balls and springs are likely missing!

On Mon, Nov 6, 2017 at 11:21 AM, Bob Spidell <bspidell at comcast.net> wrote:

> I've finally removed my geabox and done some preliminary inspection.
> Shifting forks are worn down some--not surprising in a 200K mile box--but
> all gears look to be in pristine condition.  One thing I noticed is that
> the first motion shaft seems to wobble a bit, unlike the output shaft with
> turns freely but doesn't wobble much if at all (both large bearings appear
> to be in perfect condition).  Should the rear of the first motion shaft fit
> snugly into the front of the output (main) shaft, or is a bit of play to be
> expected?   I've thought perhaps the increased compression in the new
> engine might cause some 'buckling' in the first/output shafts--more than
> the sliding hub can restrain--so could this be the cause of jumping out of
> 4th gear?
> Also, DWR sells an uprated 3-4 sliding hub, which it claims eliminates the
> 'jumping out of gear problem,' so this issue is apparently not uncommon.
> Bob
> --------------------------------
> Bob Spidell - San Jose, CA
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