1978 johnson 70hp water issue

boobie

Supreme Mariner
Joined
Nov 5, 2009
Messages
20,826
Re: 1978 johnson 70hp water issue

Did you EVER DROP THE LOWER UNIT and check the grommets and O-rings on top of the water pump impeller housing ??????????????????
 

dsujen

Petty Officer 1st Class
Joined
Oct 16, 2004
Messages
252
Re: 1978 johnson 70hp water issue

Not yet. Might drop lower unit today.
 

dsujen

Petty Officer 1st Class
Joined
Oct 16, 2004
Messages
252
Re: 1978 johnson 70hp water issue

Didn't get to it today. Could it be something as simple as a wrongly assembled water pump? When I posted the video I noticed the water seems to be coming from below. Like it is rising up to the driveshaft housing.
 
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