GM Service Manual Online
For 1990-2009 cars only

Component

Specification

Metric

English

  • B1 Brake Piston Stroke

0.63-1.73 mm

0.025-0.068 in

  • B2 Brake Piston Stroke

1.01-2.25 mm

0.040-0.088 in

  • Direct Clutch Piston Return Spring Free Length

15.13 mm

0.594 in

  • Direct Clutch Piston Stroke

0.19-1.75 mm

0.008-0.068 in

  • Forward Clutch Piston Return Spring Free Length

15.10 mm

0.595 in

  • Forward Clutch Piston Stroke

1.40-2.24 mm

0.056-0.880 in

  • Oil Pump Body-to-Driven Gear Clearance

0.07-0.15 mm

0.0028-0.0059 in

  • Oil Pump Drive Gear and Driven Gear Side Clearance

0.02-0.05 mm

0.0008-0.0019 in

  • Oil Pump Drive Gear Tip Clearance

0.11-0.14 mm

0.0044-0.0055 in

  • Output Shaft End Play

0.30-0.90 mm

0.012-0.035 in

  • Overdrive (Case Side) Clutch Piston Return Springs Free Length

15.10 mm

0.594 in

  • Overdrive (Case Side) Snap Ring-to-Brake Flange Clearance

0.35-1.91 mm

0.014-0.075 in

  • Overdrive (Planetary Gear Side) Clearance

1.47-2.28 mm

0.058-0.089 in