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Water leak(?)
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LbSand
Topic author - Posts: 4
- Joined: Fri Aug 13, 2021 10:29 pm
- Vessel Info: 2000 200SS, 5.0 Carb, Alpha 1.
Water leak(?)
Not sure if this is a stupid question or not.
Just did my first water pump on my Alpha 1 Gen 2. After reassemble, I slapped on the muffs and turned on the hose WITHOUT the engine running and noticed water coming out between upper and lower housings.
I’m thinking that’s normal but not sure. First time I’ve worked on an Alpha outdrive.
Any comments are appreciated.
2000 200SS
Merc 5.0L Alpha1 Gen 2
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CptBill
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2002 270 Coastal, Twin Yamaha 4 stroke 250
330Larson Cabrio twin 5.7l EFI V.P duo props
2760 Regal commodore
40' pacemaker flush deck
2855 Bayliner, 25' Marathon aft cabin - Location: Hudson Fl
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Re: Water leak(?)

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DaveKamp
- Posts: 28
- Joined: Wed Jul 31, 2024 11:53 pm
- Vessel Info: 1979 SunCruiser 255, 1998 MerCruiser 5.7L L31
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Re: Water leak(?)
If it's leaking out between the SEAM of the upper and lower, it's most likely that the lower drive isn't totally seated, and the water tube o-Ring slid out of place during reassembly. ...
But wait- that's not all...
There's a weep hole in the drive upper that, once you lift it out of the water, will drain any water in the pump housing UPWARDS, out of the hoses, tubes, pump and drive. Frequently it's plugged with marine goo and sand, but when not, that will weep out and leave the drive dry so it cannot freeze.
Look closer!
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