Water in Gear Case.

[johnm]

After troubleshooting a particular problem for about a month, I have uncovered another. I have water leaking into my gear case.<br /><br />It's a 1979 55HP envinrude. I have read the chapter on gearcases in my manual but I would also like to ask where the most common place water would be entering my gear case. I believe there are 2 seals behind the prop and 1 that sits next to the water pump. Anywhere I should be looking?<br /><br />PS. For those that helped me out with the stalling problem, I'll let you know by end of week. I'm taking her out for the day.

 

[DJ]

Re: Water in Gear Case.

JohnM,<br /><br />By far, the most common places, in order, for water intrusion are:<br /><br />1. The fill/drain screws. Few people replace the o'rings/gaskets when they service the L/U.<br /><br />2. Prop shaft seals. Damaged by fishing line, etc.<br /><br />3. Water pump/drive shaft seal.

 

[S.T. Marine]

Re: Water in Gear Case.

The places it could be leaking..... There are a few spots... The propshaft seals might be worn. The driveshaft seals under waterpump or drain screws. Drain the lower unit and pressure test it if you have access to a tester that will tell you where it is comming from

 

[dpminc]

Re: Water in Gear Case.

As to the list above, I would add 1.5 shift shaft seal. This has one of those o-ring type seals, and they do leak often.