ZF 63a with a leak-

HODARE

New Member
Aug 14, 2012
8
Lake St. Clair
Boat Info
2000 330 Express
Engines
Mercruiser 370 hp Horizons
Hello, my new to me 2000 330 Express with Horizons and ZF transmissions has a trans leak. In feeling around the trans I found a the bolt directly below the neutral start switch was finger tight. It seems fluid was pushing out from there. Does anyone know if there would be a reason this would be finger tight? Anything to do with the neutral start switch?

I did tighten it up and wiped everything down but will not be able to check for leaks until I run the boat in the spring.

I have attached a picture from the exploded view in the manual. #14 is the culprit. What is that bolt for?

Why would that have been loose?
 

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