80 Quattro L5-2309cc 2.3L SOHC (NG) (1988)
Brake Pad: Testing and Inspection
Brake Pad Thickness, Checking
Pad thickness, checking
Visually check thickness of outer pads through hole in wheel rim (use a flashlight if necessary)
If pad thickness is 7mm or less (including backing plate), the pads have reached their wear limit and must be replaced