Disc Brake Component Specifications. Pontiac Bonneville 2005

For 1990-2009 cars only

Makes 🢒 Pontiac 🢒 2005 🢒 Bonneville 🢒 Brakes 🢒 Disc Brakes 🢒 Disc Brake Component Specifications

Caution: Two different designs of the front brake rotors and front brake pads are used on this vehicle. Do NOT interchange first design and second design parts, or a loss of braking and personal injury could occur.

Application	Specification
Application	Metric	English
Front Brake Pads
Taper	0.15 mm	0.006 in
Front Brake Rotors
Rotor Diameter (L36), 15 inch Wheels	278.0 mm	10.9 in
Rotor Diameter (L36), 16 inch Wheels	303.0 mm	11.9 in
Rotor Diameter (LD8)	323.0 mm	12.7 in
Rotor Discard Thickness* (All) First Design Before VIN 5U129028	30.7 mm	1.209 in
Rotor Discard Thickness* (All) Second Design After VIN 5U129028	28.5 mm	1.122 in
Rotor Maximum Allowable Assembled Lateral Runout	0.06 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 (L36), First Design Before VIN 5U129028	31.08 mm	1.224 in
Rotor Minimum Allowable Thickness after Refinishing (L36), Second Design After VIN 5U129028	28.66 mm	1.125 in
Rotor Minimum Allowable Thickness after Refinishing (LD8)	30.70 mm	1.209 in
Rotor Thickness New (L36), First Design Before VIN 5U129028	32.20 mm	1.267 in
Rotor Thickness New (L36), Second Design After VIN 5U129028	30.0 mm	1.181 in
Rear Brake Pads
Taper	0.15 mm	0.006 in
Rear Brake Rotors
Rotor Diameter (L36)	281.00 mm	11.06 in
Rotor Diameter (LD8)	297.00 mm	11.7 in
Rotor Discard Thickness*	9.0 mm	0.354 in
Rotor Maximum Allowable Assembled Lateral Runout	0.06 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	10.25 mm	0.404 in
Rotor Thickness New	11.00 mm	0.433 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.