OverDrive pump failure

themole-w (dbilesky(at)cln.etc.bc.ca)
Tue, 12 May 1998 22:27:30 -0700


Has this ever happened. I cannot determine the source of the failure of my overdrive.

Over a couple weeks it slowly stopped. First not quite going in then easily popping out.

Now...nothing.

I read the Manual and it stated that I can look down a hole in the top of the OD through trapdoor in the car.

This operating valve, when removed is supposed to shed light on a bad pump.

Apparantly, with the car up in the air, running and the valve removed no oil show be seen in the chamber below.

When top gear is engaged the chamber fills because of the pump. If not, the pump is to blame.

Any experience? Anyone?

dgb