View Single Post
Nickshu Nickshu is offline
Recreational Mechanic
 
Nickshu's Avatar
 
Join Date: Sep 2000
Location: Northern Colorado, USA
Posts: 3,326
Garage
Washer Fluid Problem - How do I dissolve Rain-X?

I have used the Orange Rain-X All-Season windshield washer fluid for years on all my cars and never had a problem until recently. I refilled my 2021 SuperDuty recently and must have gotten a bad batch with way too much Rain-X in it. I got a surprise while towing my trailer down the interstate...hit the washer and it was like I sprayed my windshield with silicone tire-shine. I was blinded....Had to stick my head out the window to see until I could pull over and spray-wipe-spray it off. Fortunately I had glass cleaner and paper towels in the trailer.

Once home I pumped out the reservoir w/ a Harbor Freight suction pump and then stuck a garden hose in it to flush it out...running several tanks worth through the sprayers until the tank was empty...refill and repeat. Then put plain old blue washer fluid in it.

Unfortunately I still have greasy washer fluid coming out. I have read Rain-X is silicone based. Any ideas on how to dissolve the Rain-X from the walls of the tank and hoses? Or should I replace the tank, pump and hoses with new ones?

What a massive PITA. Thanks for any advice you can give me.
__________________
P Cars: 2022 Macan GTS / One empty garage space ---- Other cars: 2019 Golf R 6MT / 2021 F-250 Diesel / 2024 Toyota GR86 6MT ---- Gone: 1997 Spec Boxster Race Car, 2020 GT4, 2004 GT3, 2003 Carrera, 1982 911SC, 2005 Lotus Elise and lots of other non-Porsches
PCA National DE Instructor #202106053 / PCA Club Racing / WRL Endurance Racing
Old 09-24-2022, 04:53 PM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #1 (permalink)