GM Service Manual Online
For 1990-2009 cars only

Forward Clutch Backing Plate Selection

Plate Thickness

Identification

6.92-7.07 mm (0.272-0.278 in)

A

6.33-6.48 mm (0.249-0.255 in)

B

5.74-5.89 mm (0.226-0.232 in)

C

5.15-5.30 mm (0.203-0.208 in)

D

4.56-4.71 mm (0.180-0.185 in)

E

Backing Plate Travel: 0.766-1.756 mm (0.030-0.069 in)