Disc & Drum Brake Specifications

DISC & DRUM BRAKE SPECIFICATIONS

Application

In. (mm)

Front Disc Brakes ⁽¹⁾

Rotor Discard Thickness ⁽²⁾

0.965 (24.51)

Rotor Minimum Allowable Thickness After Refinish

0.980 (24.89)

Rotor Thickness (New)

1.030 (26.20)

Rotor Maximum Allowable Lateral Runout

0.002 (0.051)

Rotor Maximum Allowable Scoring

0.059 (1.50)

Rotor Maximum Allowable Thickness Variation

0.001 (0.025)

Front Disc Brakes ⁽³⁾

Rotor Discard Thickness ⁽²⁾

1.080 (27.50)

Rotor Thickness (New)

1.14 (29.00)

Rotor Maximum Allowable Lateral Runout

0.002 (0.051)

Rotor Maximum Allowable Scoring

0.059 (1.50)

Rotor Maximum Allowable Thickness Variation

0.001 (0.025)

Rear Disc Brakes

Rotor Discard Thickness ⁽²⁾

0.728 (18.50)

Rotor Minimum Allowable Thickness After Refinish

0.748 (19.0)

Rotor Thickness (New)

0.787 (20.0)

Rotor Maximum Allowable Lateral Runout

0.002 (0.051)

Rotor Maximum Allowable Scoring

0.059 (1.50)

Rotor Maximum Allowable Thickness Variation

0.001 (0.025)

Rear Disc Park Brake

⁽⁴⁾

Rear Drum Brake

Discard Diameter

9.50 (241.30)

Maximum Allowable Diameter After Resurfacing

9.50 (241.30)

Maximum Allowable Radial Runout

0.006 (0.15)

Maximum Allowable Scoring

0.06 (1.5)

⁽¹⁾	Models equipped with rear drum brakes.

⁽²⁾	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 or discard thickness specifications.

⁽³⁾	Models equipped with front and rear disc brakes.

⁽⁴⁾	Manufacturer does not provide refinishing specification.