Hey guys! I’m from the salty parts of Canada and I just got my car undercoated with fluid film. I’m wondering if there’s do-s or don’t-s with this. Like spraying underneath the car at the car wash. Let me know thanks!
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Your metal is already protected from salt. There is no need to wash the underside.
Undercarriage washing will remove the oil undercoating faster. I wouldnt do an undercarriage wash more than 2 or 3 times during the winter. In the spring, do it a few times to clean off the grime so your next years coat is laid on the metal, rather than building up a thick layer of greasy grime. The greasy grime is protective, its just really messy.
I have to spray my cars this weekend after I replace sway bar links