How To Repair A Cracked Windshield Washer Reservoir
Q: The plastic windshield-washer-fluid reservoir in my RV has a ii-inch-long crack in it. I doubtable this happened last wintertime when the twelvemonth-sometime water in it froze solid. The RV dealer near me has gone out of business organisation, so I tin can't even order some other reservoir. I tried to patch it with silicone sealant and duct tape, simply the reservoir always leaks within a few days. The mechanic at the RV dealer across town says he tin can have it welded, simply it would cost over $100. Whatever suggestions?
A: Start proffer: Drain and refill the windshield reservoir with fresh washer fluid--not water--in the fall, when you winterize the rest of the RV. Washer fluid has a high booze content and won't freeze. But you already had that figured out, right? Don't forget to spray the washers for a few seconds later on filling up, until the blue stuff comes out of the lines and nozzles.
Well-nigh your reservoir, though: A hundred bucks sounds similar a lot of coin to fix a tank, unless all you have left is a shoebox full of parts. Those reservoirs are generally made of high-density polyethylene and are adequately like shooting fish in a barrel to weld with conventional plastic-welding techniques. Silicone sealer just doesn't take the adhesive properties or the strength to hold these plastic parts together in the hot, high-vibration area underhood. That high estimate sounds like somebody really doesn't desire to exist bothered with pulling out the tank and ferrying it around town to get welded somewhere else.
Try this DIY fix: Go to the auto parts store and hunt down a Permatex Plastic Tank Repair Kit. Pull the croaky tank out and clean it really well with lather and water--then dry information technology out thoroughly. The kit has a canvass of fiberglass cloth inside, as well equally a sheet of sandpaper. Rough up the surface that the fabric will contact with the sandpaper. Now practice a terminal degreasing with rubbing booze or lacquer thinner, and don't touch the surface once again. Position the cloth over the sanded area. There's also a pouch of epoxy in the bundle. Squeeze the pouch until the two halves rupture their divider, then agitate them together for thirty seconds or so. Now you tin squeeze some of the epoxy out onto the textile. Use the disposable brush in the package to moisture the fiberglass cloth with the adhesive. Add more adhesive until the textile is completely saturated.
Let this stand for a one-half hour to cure and yous're proficient to go. They say that this product is and then potent information technology will fix plastic radiator overflow tanks. These radiator tanks run much hotter than windshield-washer reservoirs and have to carry equally much equally 16 psi of pressure--and then you know the product is tough. I bet it would work well on a cracked holding tank on your RV or boat, too. Sorry--Permatex says it won't piece of work on plastic fuel tanks.
Problem Solved: Freeze Rust Away
Ane of a mechanic's biggest stumbling blocks tin can be removing stuck fasteners. Outset yous have to bring a tool to deport with plenty torque to unfreeze the fastener, more than was used years agone to install that nut or bolt. When all else fails, accomplish for a torch. Iron oxide--rust--is larger than the steel it was created from, and the extra book locks the two parts together like Super Glue. Heat, cool; heat, cool; add some penetrating oil and eventually yous'll go the rust to crumble to pulverisation and your nuts will loosen upwards. This process tin can exist crude on heat-sensitive wires, seals and gaskets, eh? We simply tried a tin of Loctite Freeze & Release, which accomplishes the same affair with a blast of cold--really cold--penetrating oil. Only don't frostbite your fingers (don't inquire).
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