See also:

Front Brake Disc/Pads, Calipers
Check the pads for excessive wear, discs for run out and wear, and calipers for fluid leakage. ...

Tires and wheels
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Common Causes of Corrosion
The most common causes of corrosion on your car are: o Road salt, dirt and moisture that is allowed to accumulate underneath the car. o Removal of paint or protective coatings by stones, gravel, abr ...