Contents Wiring diagrams Section: Mechanical - Hydraulic All sections

Disc Brake System: Specifications Chevrolet Sonic I

Fastener Tightening Specifications

ApplicationSpecification
MetricEnglish
Brake Caliper Bleeder Valve17 N.m13 lb ft
Brake Caliper Bracket Bolt100 N.m74 lb ft
Brake Caliper Guide Pin Bolt28 N.m21 lb ft
Brake Hose Fitting Bolt40 N.m30 lb ft
Brake Pipe Fitting18 N.m13 lb ft
Brake Rotor Bolt9 N.m80 lb in
Brake Shield Bolt9 N.m80 lb in

Fastener Tightening Specifications

Disc Brake Component Specifications

ApplicationSpecification
MetricEnglish
Front Rotor
Rotor Diameter276.0 mm10.866 in
Rotor Discard Thickness*23.0 mm0.905 in
Rotor Maximum Allowable Assembled Lateral Runout0.06 mm0.002 in
Rotor Maximum Allowable Scoring1.50 mm0.059 in
Rotor Maximum Allowable Thickness Variation0.02 mm0.0008 in
Rotor Minimum Allowable Thickness After Refinish24.0 mm0.945 in
Rotor Thickness New26.0 mm1.024 in
Rear Rotor
Rotor Diameter268.0 mm10.551 in
Rotor Discard Thickness*10.0 mm0.393 in
Rotor Maximum Allowable Assembled Lateral Runout0.05 mm0.002 in
Rotor Maximum Allowable Scoring1.50 mm0.059 in
Rotor Maximum Allowable Thickness Variation0.02 mm0.0008 in
Rotor Minimum Allowable Thickness After Refinish10.2 mm0.402 in
Rotor Thickness New12.0 mm0.472 in
* All brake rotors have a minimum thickness dimension cast into them. Replace any rotor that is worn or machined below this specification.

Disc Brake Component Specifications