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Old 06-16-2016, 03:54 PM   #1
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Default outdrive still leaking...

Seeking suggestions: At the end of last season I noticed oil leaking from outdrive and need to add gear oil. It is a Alpha1/Gen 2 on a 5.7L Merc, in a 1996
SCR2400.
Mechanic replaced seals in outdrive and pressure tested. In water now and leaking persists, with slight decrease in oil in the reservoir.

Hauling out next week back to mech. What ideas/suggestions do you have about the persistent leak?
thanks!
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Old 06-16-2016, 04:16 PM   #2
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Are there signs of lube in the bilge, or in the water?

Did he inspect the lube lines between the reservoir and inner transom assembly as well as the external hose from the transom to bell housing?

Did the mechanic verify the prop shaft was not bent, if bent it will wear the seal out and leak.
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Old 06-16-2016, 05:09 PM   #3
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thanks Mike; oil in the water but the bilge is not totally clean either. Seems to stream out when engine is running and warm. I will pass those inspection items on to them.
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Old 07-01-2016, 03:38 PM   #4
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"external hose from the transom to bell housing" This was the source of the leak. Apparently a common problem on the Gen 11 outdrives with plastic couplings at the hose connection! thanks again. Back on the water.
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Old 07-01-2016, 11:22 PM   #5
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Bravo has the same issue. Either the plastic fitting or a sharp corner tie is used that cuts the hose.
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