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Pressure Testing Lower Unit for Water in Gearcase . . . HELP
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<blockquote data-quote="PATRIOT" data-source="post: 413223" data-attributes="member: 8891"><p>1987 Nissan NS15-B </p><p>15HP</p><p>2-stroke</p><p></p><p>Attached is a pic of my lower unit gear lube which shouldn't look like thin mustard.</p><p>So, I pulled the unit . . .</p><p>1) submerged the unit in water up to the bottom of the water pump housing</p><p>2) removed the shift rod </p><p>3) applied 10-15psi compressed air to the shift rod port</p><p>Results . . . NO BUBBLES anywhere.</p><p></p><p>I'm stumped . . . any ideas on how the water is getting into the gearcase?</p><p>Have never pressure tested a lower unit so I'm not even sure this is a good method . . . it just seemed reasonable?</p></blockquote><p></p>
[QUOTE="PATRIOT, post: 413223, member: 8891"] 1987 Nissan NS15-B 15HP 2-stroke Attached is a pic of my lower unit gear lube which shouldn't look like thin mustard. So, I pulled the unit . . . 1) submerged the unit in water up to the bottom of the water pump housing 2) removed the shift rod 3) applied 10-15psi compressed air to the shift rod port Results . . . NO BUBBLES anywhere. I'm stumped . . . any ideas on how the water is getting into the gearcase? Have never pressure tested a lower unit so I'm not even sure this is a good method . . . it just seemed reasonable? [/QUOTE]
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Pressure Testing Lower Unit for Water in Gearcase . . . HELP
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