Disc Brake Component Specifications (J55)

WARNING: This page is about a different car, the 2008 Cadillac DTS. However, it is still accessible from the selected car via links, so may be relevant.

Application	Specification
Application	Metric	English
Front Brake Pads
Taper	0.15 mm	0.006 in
Front Brake Rotors
Rotor Diameter	330.0 mm	12.99 in
Rotor Discard Thickness	36.0 mm	1.417 in
Rotor Maximum Allowable Assembled Lateral Runout	0.05 mm	0.002 in
Rotor Maximum Allowable Scoring	1.50 mm	0.059 in
Rotor Maximum Allowable Thickness Variation	0.025 mm	0.001 in
Rotor Minimum Allowable Thickness after Refinishing	37.0 mm	1.457 in
Rotor Thickness	38.00 mm	1.496 in
Rear Brake Pads
Taper	0.15 mm	0.006 in
Rear Brake Rotors
Rotor Diameter	325.00 mm	12.79 in
Rotor Discard Thickness	27.5 mm	1.083 in
Rotor Maximum Allowable Assembled Lateral Runout	0.05 mm	0.002 in
Rotor Maximum Allowable Scoring	1.50 mm	0.059 in
Rotor Maximum Allowable Thickness Variation	0.025 mm	0.001 in
Rotor Minimum Allowable Thickness after Refinishing	28.0 mm	1.102 in
Rotor Thickness (New, J55)	29.0 mm	1.142 in
* All brake rotors have a discard dimension cast into them. Replace any rotor that does not meet this specification. After refinishing the rotor, replace any rotor that does not meet the minimum thickness specification.