Jayden71 Posted July 24, 2009 Report Share Posted July 24, 2009 With the weather being pretty hot right now, close to 100 every day, I thought my 521 might need an expansion tank next to the radiator. I don't have any problems overheating but, this idea cannot hurt anything. To have the coolant go into a tank instead of on the ground is better in my opinion. Very few items are needed for this little project... A drill A few zip ties 3/8" tubing I used a 1.75 liter jug. Anything larger may not fit in the space next to the 521 rad. Next thing I did was drill a hole in the jug lid, slightly smaller than the tubing On the end of tubing that is going into the jug I cut an angle piece out just to be sure it sucks out coolant. I inserted tube into jug on one end and the small pipe under rad cap on other end. I did not use the small clamp, used a zip tie instead. Secured tank with one tie at the top and I may put one on the bottom but, it fits pretty snug in there so we will see what happens. Before After:) Total time for install was meybe 15 minutes. After install I drove it around for 20 minutes and it seems pretty secure. Total cost including the lemonade jug was $6. :) I decided to leave the labels on the jug, my Datto likes lemonade.:D 1 Quote Link to comment
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