Trim pump problem?

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04-02-2008 | 12:46 PM

squaz

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Joined: Jun 2006

Posts: 66

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From: Kennett Square

Trim pump problem?

I have a Bravo on a HP500 EFI that when I'm running the trim slowly bleeds down,or when it sits on the trailer ,within 24 hrs. it will be trimmed all the way down.Other than that it seems to work fine. I checked all the fittings for leaks.I never need to add oil so I know it's not leaking.Anyone have any ideas besides just buying a new trim pump.
Thanks,Guy

04-02-2008 | 05:39 PM

HotPursuit

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Joined: May 2004

Posts: 1,783

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From: Slidell,Louisiana

You have leaking internal o-rings,or it could be the trim pump check valves not holding.

04-02-2008 | 06:05 PM

Tinkerer

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Joined: Jan 2002

Posts: 4,612

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From: ALTO, MI

It is the check valves inside the trim pump.
Been there had that problem.

04-02-2008 | 06:34 PM

RMPRam

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Joined: Oct 2000

Posts: 1,057

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From: Santa Barbara CA. USA

How do you fix a "check valve leaking" problem?

04-06-2008 | 10:42 AM

sunchaser796

Gold Member

Joined: Apr 2005

Posts: 249

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From: Fort Lauderdale

If its ever had water in the pump you are screwed. You have two choices; either replace the pump valve assembly or just buy a complete pump assembly. OR just call Doller Offshore Marine @ 954.237.0332