Parking Pawl
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.
Install parking pawl with tooth toward center of transmission. Install parking pawl shaft and shaft retainer clip. Install new shaft cup plug using 3/8" diameter rod. Drive plug into case until shaft bottoms on case rib. Install parking pawl return spring with square end hooked on pawl. Install parking pawl bracket guides over parking pawl.