Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET2009SILVERADO 2500 2WD V8-6.6L DSL TURBOREPAIR AND DIAGNOSISSPECIFICATIONSMECHANICAL SPECIFICATIONSBRAKES AND TRACTION CONTROLSYSTEM SPECIFICATIONSBRAKE SPECIFICATIONS
2009 Chevrolet Silverado 2500 2WD V8-6.6L DSL Turbo
Brake Specifications
2009 Chevrolet Silverado 2500 2WD V8-6.6L DSL TurboSECTION Brake Specifications
Front Brakes JD9, JF3, JF7
Rotor Discard Thickness* 28.0 mm (1.10 in)
Rotor Minimum Allowable Thickness After Refinish 28.0 mm (1.10 in)
Rotor Thickness (new) 30.0 mm (1.181 in)
Rotor Maximum Allowable Assembled Lateral Runout 0.05 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)
Front Brakes JH6, JH7
Rotor Discard Thickness* 36.50 mm (1.437 in)
Rotor Minimum Allowable Thickness After Refinish 37.0 mm (1.457 in)
Rotor Thickness (new) 38.0 mm (1.496 in)
Rotor Maximum Allowable Assembled Lateral Runout 0.13 mm (0.005 in)
Rotor Maximum Allowable Scoring 1.50 mm (0.059 in)
Rotor Maximum Allowable Thickness Variation 0.025 mm (0.001 in)
Rear Brakes JD9
Rotor Discard Thickness* 18.0 mm (0.709 in)
Rotor Minimum Allowable Thickness After Refinish 18.5 mm (0.7282 in)
Rotor Thickness (new) 20.0 mm (0.787 in)
Rotor Maximum Allowable Assembled Lateral Runout 0.05 mm (0.002 in)
Rotor Maximum Allowable Scoring 1.50 mm (0.059 in)
Rotor Maximum Allowable Thickness Variation 0.009 mm (0.0004 in)
Rear Brakes JH6
Rotor Discard Thickness* 27.5 mm (1.083 in)
Rotor Minimum Allowable Thickness After Refinish 28.0 mm (1.102 in)
Rotor Thickness (new) 30.0 mm (1.181 in)
Rotor Maximum Allowable Assembled Lateral Runout 0.13 mm (0.005 in)
Rotor Maximum Allowable Scoring 1.50 mm (0.059 in)
Rotor Maximum Allowable Thickness Variation 0.025 mm (0.001 in)
Rear Brakes JH7
Rotor Discard Thickness* 28.5 mm (1.122 in)
Rotor Minimum Allowable Thickness After Refinish 29.0 mm (1.142 in)
Rotor Thickness (new) 30.0 mm (1.181 in)
Rotor Maximum Allowable Assembled Lateral Runout 0.13 mm (0.005 in)
Rotor Maximum Allowable Scoring 1.50 mm (0.059 in)
Rotor Maximum Allowable Thickness Variation 0.025 mm (0.001 in)
Drum Brakes
Maximum Allowable Diameter 296.5 mm (11.673 in)
Maximum Allowable Radial Runout 0.06 mm (0.0024 in)
Maximum Allowable Scoring 1.5 mm (0.06 in)
Rotor Discard Thickness* 28.0 mm (1.10 in)
Rotor Minimum Allowable Thickness After Refinish 28.0 mm (1.10 in)
Rotor Thickness (new) 30.0 mm (1.181 in)
Rotor Maximum Allowable Assembled Lateral Runout 0.05 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)
Front Brakes JH6, JH7
Rotor Discard Thickness* 36.50 mm (1.437 in)
Rotor Minimum Allowable Thickness After Refinish 37.0 mm (1.457 in)
Rotor Thickness (new) 38.0 mm (1.496 in)
Rotor Maximum Allowable Assembled Lateral Runout 0.13 mm (0.005 in)
Rotor Maximum Allowable Scoring 1.50 mm (0.059 in)
Rotor Maximum Allowable Thickness Variation 0.025 mm (0.001 in)
Rear Brakes JD9
Rotor Discard Thickness* 18.0 mm (0.709 in)
Rotor Minimum Allowable Thickness After Refinish 18.5 mm (0.7282 in)
Rotor Thickness (new) 20.0 mm (0.787 in)
Rotor Maximum Allowable Assembled Lateral Runout 0.05 mm (0.002 in)
Rotor Maximum Allowable Scoring 1.50 mm (0.059 in)
Rotor Maximum Allowable Thickness Variation 0.009 mm (0.0004 in)
Rear Brakes JH6
Rotor Discard Thickness* 27.5 mm (1.083 in)
Rotor Minimum Allowable Thickness After Refinish 28.0 mm (1.102 in)
Rotor Thickness (new) 30.0 mm (1.181 in)
Rotor Maximum Allowable Assembled Lateral Runout 0.13 mm (0.005 in)
Rotor Maximum Allowable Scoring 1.50 mm (0.059 in)
Rotor Maximum Allowable Thickness Variation 0.025 mm (0.001 in)
Rear Brakes JH7
Rotor Discard Thickness* 28.5 mm (1.122 in)
Rotor Minimum Allowable Thickness After Refinish 29.0 mm (1.142 in)
Rotor Thickness (new) 30.0 mm (1.181 in)
Rotor Maximum Allowable Assembled Lateral Runout 0.13 mm (0.005 in)
Rotor Maximum Allowable Scoring 1.50 mm (0.059 in)
Rotor Maximum Allowable Thickness Variation 0.025 mm (0.001 in)
Drum Brakes
Maximum Allowable Diameter 296.5 mm (11.673 in)
Maximum Allowable Radial Runout 0.06 mm (0.0024 in)
Maximum Allowable Scoring 1.5 mm (0.06 in)
RENDER: 1.0x
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.