Disc brakes — specification (Chevrolet Tahoe 2)

Note: The maximum thickness of the brake disc is indicated on the disc casting. The permissible scratch depth is 1.5 mm.

Brake disc thickness

Front brake JC3/JC4/JH2 (GMT800):

• minimum 27.5 mm
• nominal 28.0 mm
• new 29.0 mm
• runout 0.13 mm

Front brake JD9 (GMT900):

• minimum 27.5 mm
• nominal 28.0 mm
• new 30.0 mm
• runout 0.05 mm

Front brake JD9 (GMT900):

• minimum 27.5 mm
• nominal 28.0 mm
• new 30.0 mm
• runout 0.05 mm

Front brake JH6 (GMT900/800):

• minimum 36.5 mm
• nominal 37.0 mm
• new 38.0 mm
• runout 0.13 mm

Rear brake JC4/JH2 (GMT800):

• minimum 28.5 mm
• nominal 29.0 mm
• new 30.0 mm
• runout 0.25 mm

Rear brake JD9 (GMT900):

• minimum 18.0 mm
• nominal 18.5 mm
• new 20.0 mm
• runout 0.25 mm

Rear brake JH6(GMT900/800):

• minimum 27.5 mm
• nominal 28.0 mm
• new (GMT900) 30.0 mm
• new (GMT800) 29.0 mm
• runout 0.13 mm