Grand Prix V6-191 3.1L (1989)
7.
Remove bolt securing sector gear to backplate and using an electric power source, move regulator in one direction to gain access to 2nd rivet.
8.
Remove old rivet head and install new rivet (P/N 9441949) using the procedure in step 5 (See Figure 2).
9.
Using same power source, move regulator in opposite direction and repeat step 8.
10.
Remove locking pliers and reinstall regulator assembly into door using 1/4" x 1/2" peel type rivets.