Does oven cleaner damage car paint? Indeed it does. So there’s no question that oven cleaner damages a car’s paint and clear coat if you leave it there long enough. Oven cleaner works to remove unwanted paint and decals because it will hopefully eat through the unwanted paint before it damages the car’s clear coat.Click to see full answer. Correspondingly, does oven cleaner remove paint?Spray them with oven cleaner. For an easy way to remove paint or varnish from wooden or metal furniture, try using a can of oven cleaner; it costs less than commercial paint strippers and is easier to apply (that is, if you spray rather than brush it on). After applying, scrub off the old paint with a wire brush.Beside above, does oven cleaner ruin rubber? Oven cleaner will soften/strip paint. 4. Oven cleaner may ruin rubber gaskets, seals, belts, and hoses. Subsequently, question is, can I use oven cleaner on my engine? Do not use Oven Cleaner on any engine parts that have paint on them. As mentioned by that chemist above, the strong alkaline nature of Oven Cleaner will strip the living heck out of any paint, even if you put the stuff on for a couple of minutes.What will ruin car paint? Let’s run down the most common – and most surprising – 10 things which can damage your car’s paint. Brake fluid. Coffee & Soda. Bird droppings. Gas. Silly string. Shaving cream. Ashes. Shoe polish.