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**Cotemar** · 13-02-2012, 06:29

Sonosailor,

Just go to any junkyard and get a VW antifreeze overflow tank as show in the above post.
Their cheap and every junkyard has a few.

ggray · 13-02-2012, 10:01

Cotemar, that looks real good,but it also looks to be much larger in diameter than what I made. And it would be be good to make sure the tank is vented as well. I've seen radiator tanks that were designed to be pressurised.

Sonosailer, I didn't change my fill cap; I just drilled out the hole the dip stick was screwed into. Then with my vise I pressed a short piece of 1/4 inch ss tube through the hole until it extended down to the proper oil level. If you can flare the top end of the tube a tiny amount it may help keep the tubing tight on the tube.

Next time on the boat I'll try to remember to snap a picture.

**Cotemar** · 13-02-2012, 10:40

ggray,

The picture came from a user doing exactly what you are doing.

VW antifreeze overflow tanks are vented. I have 2 VW Jetta's in my driveway that have these same overflow tanks.

Yanmar SD20 Saildrive Oil Seals - Water in Drive