Transmission Case: Inspection
WARNING: This page does not describe the selected car, but rather 124 other vehicles, including the 1991 Chevrolet Pickup, 1991 Chevrolet Cab & Chassis, 1988 GMC Vandura Special, 1988 GMC Vandura, and 1988 GMC Value Van. However, it is still accessible from the selected car via links, so may be relevant.
Check for cracks, porosity, or interconnected passages. Check bores for scratches or scoring. Check band anchor pins for retention. Inspect intermediate clutch driven plate lugs and snap ring grooves for damage. Ensure parking pawl shaft cup plug is staked and sealed.