GM Service Manual Online
For 1990-2009 cars only
    â€¢ Clean all the parts in a suitable solvent. Air dry the parts.
    â€¢ Inspect the shift shaft for wear or scoring.
    â€¢ Inspect the shift shaft forks for wear, scoring, or distortion.
    â€¢ Inspect the roll pins for wear or distortion.
    â€¢ Inspect the shift shaft socket assembly components for wear or distortion.
    â€¢ Replace the worn or distorted parts. Inspect all the mating parts.