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**Steeveedee** · 03-25-2026, 06:37 AM

I'd use rubbing compound on the whole truck first, with polishing compound after that. That's way out of clay bar territory. Maybe that'll take the rust stain off? For the rust stain, I'd use WD-40 and 0000 steel wool if the compounds don't remove it.

03-25-2026, 06:37 AM	#2
Steeveedee Ram-A-Lam-A-Ding-Dong Join Date: Jan 2013 Location: Simi Valley, CA Posts: 11,899	Re: How to clean exterior finish that’s been sitting in the sun for years I'd use rubbing compound on the whole truck first, with polishing compound after that. That's way out of clay bar territory. Maybe that'll take the rust stain off? For the rust stain, I'd use WD-40 and 0000 steel wool if the compounds don't remove it. __________________ ~Steven '70 Chevy 3/4T Longhorn CST 402/400/3.56 Custom Camper Simi Valley, CA