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  #1  
Old 04-07-2019, 08:29 PM
Ndstallmann Ndstallmann is offline
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Default Sea star hydraulic steering

Does anybody else ever get air in the hydraulic clylinder every spring? Donít see any oil leak, canít find a oil leak. So where does the oil go and how does air get in?
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  #2  
Old 04-07-2019, 11:00 PM
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B-man B-man is offline
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I'm guessing you have a leak somewhere. Definitely not normal.

The fluid is almost clear and hard to see. Could also be below deck or somewhere else you're not seeing it??
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  #3  
Old 04-08-2019, 09:37 AM
rwl rwl is offline
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I've never touched mine in 7 years, never an issue, never had to add anything. Typical for a closed hydraulic system. Sounds like yours is leaking somewhere, maybe a screw through the line somewhere in the side of the boat where you can't see it?

You could probably rig up a pressure test and see if the pressure goes down in a few minutes, hours or overnight...
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  #4  
Old 04-08-2019, 02:46 PM
EasternWashingtonBoater EasternWashingtonBoater is offline
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Maybe the helm reservoir is low.
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Old 04-10-2019, 11:08 AM
staylor staylor is offline
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Quote:
Originally Posted by EasternWashingtonBoater View Post
Maybe the helm reservoir is low.
If its not the reservoir then typically its a slight leak in one of the cylinder bleed plugs. The bad news is that you may have to bleed air from the system to eliminate excessive play. I went thru the bleed procedure around 3 years back when I had a slightly loose bleed plug.
Doug
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Old 04-10-2019, 11:57 AM
ltrain ltrain is offline
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Also check to see if the rod that slides in the cylinders is wet, if so then those gaskets are leaking. Had to fix mine.
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Old 04-10-2019, 07:59 PM
omc frank omc frank is offline
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there where aa lot of sea star cylinders with the 4 spanner wrench holes in the cylinder end caps that had issues with leaking the best fix is to replace with the end cap kits that have the orange wiper seals and the 8 hole end cap covers easy fix dont have to remove cylinder to complete
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Old 04-10-2019, 08:05 PM
ltrain ltrain is offline
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Quote:
Originally Posted by omc frank View Post
there where aa lot of sea star cylinders with the 4 spanner wrench holes in the cylinder end caps that had issues with leaking the best fix is to replace with the end cap kits that have the orange wiper seals and the 8 hole end cap covers easy fix dont have to remove cylinder to complete
Yep that's exactly what i was referring to, thanks for doing a much better job
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1987 Lund Baron
2005 Yamaha f150
1998 15 hp Mariner 2stroke with controllking
Rhodan 72" 36v 120 lb. thrust trolling motor
2 Simrad NSS12
Lowrance HDS 12 gen2
Lowrance point 1
Simrad is40
Sonarhub
LSS 1
2 36" Cannon tracks
2 Cannon electric downriggers
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6 Bert's ratcheting rod holders
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  #9  
Old 04-10-2019, 08:48 PM
omc frank omc frank is offline
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Quote:
Originally Posted by ltrain View Post
Yep that's exactly what i was referring to, thanks for doing a much better job
I know a guy that has that kit in stock LOL
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  #10  
Old 04-10-2019, 09:31 PM
EasternWashingtonBoater EasternWashingtonBoater is offline
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I replaced the "gland seals", what they're called, on my boat last year - the full kit's about 75 to 100 dollars - it includes the spanner wrench.

I found out later the o-rings in the gland seal caps are replaceable - even saw a list of what to buy. I plan to rebuild the caps that came off the boat so if and when a leak returns, I'll just swap on the rebuilt caps.

That said, it's real easy to replace these seals and bleed the system ... it is important the system is sealed and functioning - I had hard engine slap due to insufficient fluid! Will turn you around fast.
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