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Old 06-15-2009, 09:01 PM   #1
Hector
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power trim pump

I recently started having trouble with my trim pump, the outdrive will go up but not down. The motor runs but drive wont go down. Checked the oil which was low, added it to the right level, purged any air out of the system and the damn thing still wont go down. Any thoughts??
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Old 06-16-2009, 03:44 AM   #2
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Re: power trim pump

Trim solenoid.

Try jumping across the solenoid with a screw driver.
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Old 06-16-2009, 06:26 AM   #3
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Re: power trim pump

Thanks, not sure what you mean by jumping across the solenoid.
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Old 06-16-2009, 07:00 AM   #4
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Re: power trim pump

The pump freewheels when I try to lower it, no click sound is heard. I added oil which was low, everything I read says that freewheel sound indicates low oil.
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Old 06-16-2009, 10:40 AM   #5
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Re: power trim pump

My outdrive (volvo) is on a threaded rod and electric motor, but common sense tells me if yours is hydraulic and fluid is OK and air is bled, and unit goes up (hard) but not down (easy), your solenoid is shot. Solenoid is like a fuse, if its broken internally it will not pass current. So if you "jump" it (connect a wire or screwdriver or something metal across the terminals) it will override the broken internals and pass the power through to lower the drive.
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Old 06-16-2009, 10:57 AM   #6
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Re: power trim pump

Makes perfect sense!! Thanks wolf, I will try this.
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Old 06-16-2009, 11:00 AM   #7
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Re: power trim pump

Exchange the solenoids, they are both the same.
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Old 06-16-2009, 12:43 PM   #8
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Re: power trim pump

Gimme a pair of pliers I'll fix it...or not!
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Old 06-16-2009, 09:03 PM   #9
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Re: power trim pump

Quote:
Originally Posted by hp6169 View Post
The pump freewheels when I try to lower it, no click sound is heard. I added oil which was low, everything I read says that freewheel sound indicates low oil.
Low oil or bad pump....

Good luck with it Hector. Let meknow what you find.

PS: Take a small hammer and tap the pump while someone engages the switch. Like I said, check all contact surfaces. Sounds like the solenoid is doing it's job though...
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