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Rear ballast no draining


KristiW

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We have a 2016 Malibu LSV. Both back ballasts will fill but will not drain. Any ideas on issue? Also how to drain the water so we can but our boat back up on our lift. Too heavy full. Both front ballast are draining. Seems like electrical issue. Blower will not run also. Any help is appreciated. Thank you. 

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I had the same problem on mine.. 

2 quick checks

Fuse

Also the connectors are sometimes strapped and or pulled very tight.. take out the rear tub on the left rear side and the connectors are strapped to a bunch of wires down there check the connectors push and pull the wires I had to replace two of mine

Edited by The Hulk
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5 hours ago, KristiW said:

We have a 2016 Malibu LSV. Both back ballasts will fill but will not drain. Any ideas on issue? Also how to drain the water so we can but our boat back up on our lift. Too heavy full. Both front ballast are draining. Seems like electrical issue. Blower will not run also. Any help is appreciated. Thank you. 

do you hear drain pumps running? snd if sumo sacs a over side sumo pump will empty at least the sacs or you can pull a hose and use the bilge, though hard tanks will stay full ( i carry a pump i used to use for ballast bags before lead for this purpose so as to not empty into bilge)

you might be able to jump start rear pumps putting a wet vac to thru hull and it may dislodge some debris not allowing pump to turn,  i maintenance mine this way, 

Edited by granddaddy55
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Another very likely cause is the wire joints/connectors but  mainly the pumps can easily fail if under water often, if u get a lot of bilage water from time to time the pumps will basically be in water as it holds there easily and they are on their sides. The round wall cut out back there is up a few inches so that very back area can hold a bit of water. If they are submirged often they will fail over time.. the capacitor blows or rusts and depending if the factory has a wire connector in water etc.. 

Replacement is Not difficult but a PIA to do as u have to take out side panels and then floor boards to access and replace. 

Not difficult but if u can replace for a few hundred at shop it's worth not having to be a contortionist! 

Check fuses and connectors first

Fuses if they keep popping time to replace pumps they may be shorted/rusted out.  

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If you can't get the tanks to drain, remove the aft plastic covers over the tank to access the pumps, then remove the small screw on the blue pump motor ring and unscrew the ring to remove the pump motor.  A lot of the water from the tank will drain into the bilge so you can get the boat back on the lift until it can be repaired.

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