Disc Brake Specifications

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2002 GMC Yukon XL, 2002 GMC Yukon, 2002 Chevrolet Tahoe, 2002 Chevrolet Suburban, and 2002 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

DISC BRAKE (FRONT) SPECIFICATIONS

Application

In. (mm)

Front Brakes

Hydraulic Power & Vacuum Power 4-Wheel Disc (7200 Lbs. GVWR)

Rotor Discard Thickness ⁽¹⁾

1.083 (27.5)

Rotor Minimum Allowable Thickness After Refinish

1.102 (28)

Rotor Thickness (NEW)

1.142 (29)

Rotor Maximum Allowable Lateral Runout

0.005 (0.13)

Rotor Maximum Allowable Scoring

0.059 (1.5)

Rotor Maximum Allowable Thickness Variation

0.001 (0.025)

Hydraulic Power 4-Wheel Disc (9900 Lbs. GVWR)

Rotor Discard Thickness ⁽¹⁾

1.437 (36.5)

Rotor Minimum Allowable Thickness After Refinish

1.457 (37)

Rotor Thickness (NEW)

1.496 (38)

Rotor Maximum Allowable Lateral Runout

0.005 (0.13)

Rotor Maximum Allowable Scoring

0.059 (1.5)

Rotor Maximum Allowable Thickness Variation

0.001 (0.025)

4-Wheel Disc (12000 Lbs. GVWR)

Rotor Discard Thickness ⁽¹⁾

1.437 (36.5)

Rotor Minimum Allowable Thickness After Refinish

1.457 (37)

Rotor Thickness (NEW)

1.496 (38)

Rotor Maximum Allowable Lateral Runout

0.005 (0.13)

Rotor Maximum Allowable Scoring

0.059 (1.5)

Rotor Maximum Allowable Thickness Variation

0.001 (0.025)

Rear Brakes

Hydraulic Power & Vacuum Power 4-Wheel Disc, Pickup Only (7200 Lbs. GVWR)

Rotor Discard Thickness ⁽¹⁾

0.728 (18.5)

Rotor Minimum Allowable Thickness After Refinish

0.748 (19)

Rotor Thickness (NEW)

0.787 (20)

Rotor Maximum Allowable Lateral Runout

0.005 (0.13)

Rotor Maximum Allowable Scoring

0.059 (1.5)

Rotor Maximum Allowable Thickness Variation

0.001 (0.025)

Hydraulic Power 4-Wheel Disc (9900 Lbs. GVWR)

Rotor Discard Thickness ⁽¹⁾

1.083 (27.5)

Rotor Minimum Allowable Thickness After Refinish

1.102 (28)

Rotor Thickness (NEW)

1.142 (29)

Rotor Maximum Allowable Lateral Runout

0.005 (0.13)

Rotor Maximum Allowable Scoring

0.059 (1.5)

Rotor Maximum Allowable Thickness Variation

0.001 (0.025)

4-Wheel Disc (12000 Lbs. GVWR)

Rotor Discard Thickness ⁽¹⁾

1.122 (28.5)

Rotor Minimum Allowable Thickness After Refinish

1.142 (29)

Rotor Thickness (NEW)

1.181 (30)

Rotor Maximum Allowable Lateral Runout

0.005 (0.13)

Rotor Maximum Allowable Scoring

0.059 (1.5)

Rotor Maximum Allowable Thickness Variation

0.001 (0.025)

⁽¹⁾	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 specifications. See BRAKE ROTOR under REMOVAL & INSTALLATION.

DISC BRAKE (REAR) SPECIFICATIONS

Application

In. (mm)

Rear Brakes (6400 Lbs. GVWR)

Rotor Discard Thickness ⁽¹⁾

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

0.005 (0.13)

Rotor Maximum Allowable Scoring

0.059 (1.50)

Rotor Maximum Allowable Thickness Variation

0.001 (0.025)

Rear Brakes (7200 Lbs. GVWR)

Rotor Discard Thickness ⁽¹⁾

1.122 (28.50)

Rotor Minimum Allowable Thickness After Refinish

1.142 (29.0)

Rotor Thickness (New)

1.181 (30.0)

Rotor Maximum Allowable Lateral Runout

0.005 (0.13)

Rotor Maximum Allowable Scoring

0.059 (1.50)

Rotor Maximum Allowable Thickness Variation

0.001 (0.025)

Rear Brakes (9900 Lbs. GVWR)

Rotor Discard Thickness ⁽¹⁾

1.082 (27.50)

Rotor Minimum Allowable Thickness After Refinish

1.102 (28.0)

Rotor Thickness (New)

1.141 (29.0)

Rotor Maximum Allowable Lateral Runout

0.005 (0.13)

Rotor Maximum Allowable Scoring

0.059 (1.5)

Rotor Maximum Allowable Thickness Variation

0.001 (0.025)

Rear Brakes (12,400 Lbs. GVWR)

Rotor Discard Thickness ⁽¹⁾

1.122 (28.5)

Rotor Minimum Allowable Thickness After Refinish

1.142 (29.0)

Rotor Thickness (New)

1.181 (30.0)

Rotor Maximum Allowable Lateral Runout

0.005 (0.13)

Rotor Maximum Allowable Scoring

0.059 (1.50)

Rotor Maximum Allowable Thickness Variation

0.001 (0.025)

⁽¹⁾	All brake rotors have a discard dimension cast into them. Replace any rotor that does not meet this specification. After refinishing rotor, replace any rotor that does not meet the minimum thickness specifications.