Don't Ignore The Interior of The Frame Rails ~ Chassis Flush

[Beach_Bum]

What did you use for a “wash” chemical and did you use a corrosion prevention treatment like salt shifts offerings? I like the products but don’t wanna pay Australia prices with shipping.
I’m not sure what would be comparable products stateside.

The chassis flush soap dispenser in the photo, I used my ordinary foam cannon carwash soap. Just a Chemical Guys Extreme Body Wash/Wax. Despite it's name, I just consider it ordinary carwash soap. Don't overthink it. Just flush with water until it runs "clearish". I repeat the first/bulk flushing all along the frame rail on each side. Then I return for a second flushing with the soap dispenser turned on. After soaping up the interior frame rails, I then repeat the water flushing until it runs clear.

I do use Salt Shift's Rust Shield but only once a year. You can save money with Salt Shift by waiting for the yearly half price sale in July. Still expensive stuff, but the savings helps offset the sticker shock.

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[VirginiaHeritage]

Thanks, I’m ordering. Frame rust killed my 2k Tacoma after 13 years, and I had been meticulous about cleaning and touching up the exterior parts of the boxed frame. It was a well-known manufacturing defect, but maybe something like this would have given me some more years with my favorite truck .