GM Service Manual Online
For 1990-2009 cars only

Application

Specification

Metric

English

Brake Drums

  • Runout

0.15 mm

0.006 in

  • Inside Diameter

200.0 mm

7.87 in

  • Maximum Refinish Diameter

200.6 mm

7.90 in

  • Discard Diameter*

201.4 mm

7.93 in

Brake Rotors

  • Lateral Runout

0.060 mm

0.0024 in

  • Thickness Variation

0.013 mm

0.0005 in

  • Diameter

250.5 mm

9.86 in

  • New Thickness (Nominal)

18.0 mm

0.710 in

  • Minimum Thickness After Refinish

16.1 mm

0.633 in

  • Discard Thickness*

15.8 mm

0.625 in

Brake Linings

  • Front Disc Pads
  • New Thickness

11.0 mm

0.43 in

  • Discard Thickness

2.0 mm

0.08 in

  • Rear Drum Shoes
  • New Thickness

4.0 mm

0.16 in

  • Discard Thickness

1.0 mm

0.04 in

Hub and Bearing Assemblies

  • Front
  • End Play

0.020 mm

0.001 in

  • Lateral Runout

0.040 mm

0.0016 in

  • Rear
  • End Play

0.130 mm

0.005 in

  • Lateral Runout

0.050 mm

0.002 in

  • Radial Runout

0.130 mm

0.005 in

Master Cylinder Bore Diameter

22.2 mm

0.87 in

Caliper Bore Diameter

51.0 mm

2.01 in

Wheel Cylinder Bore Diameter

19.0 mm

0.75 in

Minimum Vacuum at Power Booster

--

15 in Hg

Brake System Fluid Capacity

0.5 liters

17.0 oz

*Brake drums and rotors have a discard diameter or thickness dimension cast into them. This is a wear dimension and not a refinish dimension. Any drum or rotor which does not meet the specification values should be discarded.