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 Post subject: Draining the drive unit.
PostPosted: Mon Aug 24, 2020 5:14 pm 
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Tadpole

Joined: Mon Aug 24, 2020 9:26 am
Posts: 1
Hello everyone, I'm new to this forum.

I have a 2001 Horizon 190 with a 5.0GL Volvo engine.
I've had this boat for about four years.
I have been working on it and have changed the fuel filter and changed the oil and filter.
Next I want to change the oil in the drive unit, per manual I have loosen the oil dip stick and the oil level plug but can't get the oil drain plug loose, its a straight blade screw but won't loosen. Does anyone have an idea how to get this out?
Thanks for any help.


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PostPosted: Mon Aug 24, 2020 10:08 pm 
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Joined: Thu Jul 26, 2012 8:16 am
Posts: 296
This is what I use...just make sure it’s going the correct direction.

https://www.amazon.com/Hi-Spec-Shock-Re ... NrPXRydWU=

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Jon Miller
1998 four Winns Horizon H200
Volvo Penta 4.3 GL
Newtown, CT
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untitled-545 by millerjont, on Flickr


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PostPosted: Tue Aug 25, 2020 4:33 am 
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Joined: Sun Jan 20, 2008 4:55 pm
Posts: 464
Location: Decatur, Illinois United States
I have the same tool but have also used a heavy screwdriver and tapped the edge of the screw with a hammer on end of the screwdriver. That is how I saw it done by the mechanic at my dealer. Just be careful to not damage the screw. Comes loose rather easy with the proper strike.

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2008 Vista 278 Volvo Penta 8.1 Gi 375 hp
1999 Horizon 220 5.7 GSi


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PostPosted: Wed Aug 26, 2020 10:33 am 
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Joined: Fri Apr 24, 2009 7:22 am
Posts: 461
Location: Chicago
I use the biggest flat screw driver i own. You might want to order up some replacement plugs to have on hand just in case.


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PostPosted: Tue Sep 01, 2020 1:16 pm 
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Posts: 280
Go to HD or Lowes and get a giant flathead screwdriver. This flathead should be MUCH bigger than the largest screwdriver that comes in a standard 8-10 normal screwdriver set. It can double as a murder weapon. I have a Husky brand one. It has served me well.

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2007 FW Horizon 200 5.0GXi/SX-A


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PostPosted: Thu Feb 18, 2021 10:47 pm 
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Guppy

Joined: Tue Aug 20, 2019 8:25 am
Posts: 9
https://shop.snapon.com/product/Marine- ... river-(Red)/SGD155CR

best investment you'll ever make working on drive units.

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2002 FourWinns Horizon H180
4.3L Volvo Penta GXi


Last edited by I_am_Sam on Wed May 12, 2021 11:52 pm, edited 2 times in total.

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PostPosted: Fri Feb 19, 2021 8:01 pm 
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Joined: Sun May 20, 2012 4:31 pm
Posts: 873
Location: Minneapolis, MN
I also use a tool like jontmiller identified.

Another tip for straight or phillips screwdrivers to reduce or prevent slipping is to use a small amount of valve grinding compound on the screwdriver tip. The gritty texture works well. Be sure to not get the compound into places you don't want it.

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Surface Interval: A scuba diving term for that time between dives to relax and prepare for life's next great adventure.

Current boat: '02 FW 268 Vista
Previous boat: '95 FW 190 Horizon


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PostPosted: Tue May 04, 2021 1:58 pm 
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Tadpole

Joined: Tue May 04, 2021 1:31 pm
Posts: 3
I know this topic is old but I thought I'd add some useful advice.
You can clamp a set of vicegrips on the handle of the screwdriver for more torque and grip.

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1998 220 Horizon 5.7L GSI Volvo Penta DPX


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