what is this tube for?

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carey965

Petty Officer 2nd Class
Joined
Jul 25, 2010
Messages
176
looks to me like a vent tube of some sort, maybe a crankcase type breather not sure

i was looking at my lower unit lube hose to make sure it wasnt leaking and i saw this hanging off, it looks like it goes on the nipple on the lower unit
just wondering if i should replace it or make sure it doesnt come off the nipple or what




sorry for the blurryness i took it with my phone

also here is the serial number if that helps

its a 98 alpha 1 gen 2 4.3
 
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carey965

Petty Officer 2nd Class
Joined
Jul 25, 2010
Messages
176
Re: what is this tube for?

so thats why it doesnt work, does it work on pressure?
 
GA_Boater

GA_Boater

Honorary Moderator Emeritus
Joined
May 24, 2011
Messages
49,038
Re: what is this tube for?

Yes. On the lower unit leading edge is a hole that supplies the pressure to the hose and to the speedo. Just plug it back on the nipple. It may fall off again.
 
C

carey965

Petty Officer 2nd Class
Joined
Jul 25, 2010
Messages
176
Re: what is this tube for?

i was thinking about using a zip tie to hold it on
 
D

dubs283

Vice Admiral
Joined
Jul 27, 2005
Messages
5,332
Re: what is this tube for?

there is a coupler assy that holds the tube to the connection on the shift shaft seal housing - they break fairly easily

the new style is a quick connect and much better, just get a new style shift shaft seal housing and you get a new connector with it
 
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