Mercruiser Trim Pump

1132MM

Member
Aug 1, 2010
184
Wantagh, NY
Boat Info
2004 Sea Ray 280 Sundancer
Engines
Twin 4.3 Liter Mercruiser w/Alpha One Gen 2 Drives
What is the best way to bleed the air out of the trim pump and lines. I've read two different ways that are recommended. One is to fill the trim pump reservoir and trim the drive up and down until the air is out, second was to take the up lines off and trim the drive up and then do the same with the trim line connector under the gimbal. Any suuestions?
 
I've always done it by just running the drive up and down a bunch of times until the air was out.
 
Thanks! Did you raise it all the way up using trailer assist switch?
 
Yes all the way up and down until no air then just topped off the fluid.
 

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