Polymer Coated Brake Rotors

Or perhaps your mechanic is a dick.

Polymer coated brake rotors.

Search for info in my other thread on diy front brake rotor. The brake pad is life time warranted as long as you own the vehicle. Brake rotors aren t exactly known to be the cleanest part of the car. Rust on your vehicle is inevitable in canada including on components like brake rotors.

Perhaps it s just coincidental that the coated ones come with a 3 year warranty. There is a reason brake rotors develop rust and start looking like ancient archeological dig items after a few months but that s not something we have. When the rotor is used on the vehicle for the first time the layer of geomet over the braking surface is easily rubbed away by friction. Not all rotors are created equal.

Some manufacturers use the same cheap brake rotor and paint a coating or even worse powder coat them. There is no easy answer as there are so many different types brands of ceramic and polymer coated rotors out there and they all claim top durability and performance. This exposes a ring of steel where the brake pad and the brake rotor meet. Same as the cheap brake rotors.

The specially formulated polymer coating is applied to the entire rotor offering total protection for optimal performance and longer life. I bought it at autozone for 42 each. Acdelco professional brake rotor. But with new products like coated brake rotors it s a little easier.

In fact the brake rotors often become these ugly little gremlins that you are forced to accept as part of your car. This slows the corrosion process but barely. The coating is basically just for looks. After the coating cures it ends up as a thin dry film approximately 8 micrometers thick and gives the rotor a metallic silver look.

I have been using autozone front rotors now for 2 years smooth like a baby. Tested to withstand 400 hours of salt spray equivalent to 18 southern michigan winter months coated brake rotors edges and vanes stay cleaner longer optimizing air flow and performance. Even with coated brake rotors the quality varies. Acdelco s professional series line of brake rotors are well made inexpensive and coated for rust prevention making them a good choice for.

But the truth is not all brake rotors have to be hideous. Surface rust won t hurt anything it just doesn t look nice. Geomet brake coating is the highest quality of brake rotor coating on the market today. Napa brakes ultra premium 100 polymer coated rotors.