Disc Brake Component Specifications. Chevrolet HHR 2009

For 1990-2009 cars only

Makes 🢒 Chevrolet 🢒 2009 🢒 HHR 🢒 Brakes 🢒 Disc Brakes 🢒 Disc Brake Component Specifications

Application	Specification
Application	Metric	English
Front Brakes J41/JM4
Brake Pad Lining Minimum Thickness	1.0 mm	0.039 in
Brake Rotor Diameter	275.00 mm	10.827 in
Brake Rotor Discard Thickness*	22.8 mm	0.898 in
Brake Rotor Maximum Allowable Assembled Lateral Runout	0.06 mm	0.002 in
Brake Rotor Maximum Allowable Scoring	1.50 mm	0.059 in
Brake Rotor Maximum Allowable Thickness Variation	0.025 mm	0.001 in
Brake Rotor Minimum Allowable Thickness After Refinish	23.0 mm	0.906 in
Brake Rotor Thickness - New	26.0 mm	1.023 in
Front Brakes JL9
Brake Pad Lining Minimum Thickness	1.0 mm	0.039 in
Brake Rotor Diameter	296.00 mm	11.653 in
Brake Rotor Discard Thickness*	22.8 mm	0.898 in
Brake Rotor Maximum Allowable Assembled Lateral Runout	0.06 mm	0.002 in
Brake Rotor Maximum Allowable Scoring	1.50 mm	0.059 in
Brake Rotor Maximum Allowable Thickness Variation	0.025 mm	0.001 in
Brake Rotor Minimum Allowable Thickness After Refinish	23.0 mm	0.906 in
Brake Rotor Thickness - New	26.0 mm	1.023 in
Rear Brakes JL9
Brake Pad Lining Minimum Thickness	1.0 mm	0.039 in
Brake Rotor Diameter	270.0 mm	10.630 in
Brake Rotor Discard Thickness*	11.8 mm	0.465 in
Brake Rotor Maximum Allowable Assembled Lateral Runout	0.06 mm	0.002 in
Brake Rotor Maximum Allowable Scoring	1.50 mm	0.059 in
Brake Rotor Maximum Allowable Thickness Variation	0.025 mm	0.001 in
Brake Rotor Minimum Allowable Thickness After Refinish	12.0 mm	0.472 in
Brake Rotor Thickness - New	14.0 mm	0.551 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.