GM Service Manual Online
For 1990-2009 cars only

Component

Specification

Metric

English

  • Cut Back Valve Spring Coil Outer Diameter

6.85 mm

0.269 in

  • Cut Back Valve Spring Free Length

23.00 mm

0.905 in

  • Secondary Regulator Valve Spring Coil Outer Diameter

17.43 mm

0.681 in

  • Secondary Regulator Valve Spring Free Length

71.23 mm

2.804 in

  • Secondary Valve Spring Coil Outer Diameter

8.58 mm

0.337 in

  • Secondary Valve Spring Free Length

19.24 mm

0.757 in

  • Throttle Valve Primary Spring Coil Outer Diameter

10.90 mm

0.429 in

  • Throttle Valve Primary Spring Free Length

39.55 mm

1.557 in