Some 1988 Reatta seat backs may exhibit movement during normal vehicle braking maneuvers. This condition may be repaired by installing a new hinge, part number 12396177 and pivot, part number 12396176, using the following procedure.
1. Remove seat from vehicle and place on a clean work bench.
2. Remover the side hinge/pivot cover(s).
3. Cut and remove hog rings across bottom of seat back. Unfasten velcro tabs.
4. Carefully peel seat back cover up to expose bolts on the hinge and pivot.
5. Remove bolts from old hinge (outboard side). Remove old hinge and discard. Replace with new pivot (Part Number 12396176 - marked "R" for right side) and reinstall bolts. Torque to 3.6 N.m (17.0 lb. ft.). Refer to Figure 1.
6. Remove bolts from old pivot (inboard side). Remove old pivot and discard. Replace with new hinge (Part Number 12396177 - marked "L" for left side) and reinstall bolts. Torque to 3.0 N.m (17.0 lb. ft.). Refer to Figure 1.
7. Pull seat back cover down and refasten velcro tabs. Make sure tabs are properly aligned.
8. Re-hog ring the back listings together, trying to use the existing holes.
9. Replace the side hinge/pivot cover(s). Do not over tighten as the plastic breaks easily.
10. Reinstall seat in vehicle, connect electrical connectors, and test to assure proper function.
Use the applicable Labour operation and claim .8 hours.
General Motors bulletins are intended for use by professional technicians, not a "do-it-yourselfer". They are written to inform those technicians of conditions that may occur on some vehicles, or to provide information that could assist in the proper service of a vehicle. Properly trained technicians have the equipment, tools, safety instructions and know-how to do a job properly and safely. If a condition is described, do not assume that the bulletin applies to your vehicle, or that your vehicle will have that condition. See a General Motors dealer servicing your brand of General Motors vehicle for information on whether your vehicle may benefit from the information.