GM Service Manual Online
For 1990-2009 cars only

Application

Specification

Metric

English

Brake Caliper Bleeder Valve

13 N·m

115 lb in

Brake Caliper Bore Diameter - Front

63.50 mm

2.50 in

Brake Caliper Bore Diameter - Front (J55)

57.00 mm

2.24 in

Brake Caliper Bore Diameter - Rear

38.00 mm

1.50 in

Brake Caliper Bore Diameter - Rear (J55)

54 mm

2.13 in

Master Cylinder Bore Diameter

25.40 mm

1.000 in

Master Cylinder Bore Diameter (J55)

34 mm

1.34 in

Minimum Vacuum at Power Booster

47.41 kPa

14 in