The more usual problem for slipping overdrives is seal failure on the
operating pistons and/or the accumulator. Required dissassembly of the OD to
repair but otherwise is not too difficult. I already had this problem on
both my Healey and TR6. Both high mileage cars.
> ----------
> From: The Mole[SMTP:dbilesky(at)cln.etc.bc.ca]
> Reply To: The Mole
> Sent: Sunday, March 21, 1999 8:51 AM
> To: alpines(at)autox.team.net
> Subject: Fwd: Overdrive problems
>
> I was slipping too. My oil was up. This list convinced me to switch to
> regular motor oil from gear oil.
> It made no difference. I then attacked the switch on top of the
> gearbox. It was worn.
>
> One worn switch test that worked for me was to hold the gear shift hard
> right while driving in OD in 3rd or 4th.
> If you let go, the gear shift will ease slightly to the left and the WORN
> switch will disengage the OD. Until I could get at the switch I actually
> used a bungy cord to drive in OD.
>
>
> This switch will wear down and has thin spacers that can be removed
> because
> of the expected wear.
>
> I removed all the spacers and my OD slips no more.
>
>
> dgb
>
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