Although the 1993 Buick Roadmaster is a car (or station wagon), it has a similar motor to GM trucks. These cars are capable of towing a trailer or small car behind them. This makes the car more versatile, and expands the amount of cargo you can carry. However, you need to first install a trailer hitch on the Roadmaster. This takes about an hour to do properly.
Tools Used: Tools, Trailer hitch kit, Open-end wrench set, 3/8-inch ratchet and socket set, 3/8-inch torque wrench
Drill, 9/16-inch metal drill bit, Permanent marker, Tape measure
Lie on your back underneath the rear bumper of the Roadmaster. Unbolt the bolts holding the energy-absorbing cylinders on the rear bumper with the 3/8-inch ratchet and socket and an open-end wrench.
Measure the underside of the subframe on the Roadmaster. Make a mark on the bottom of the frame 14 1/2 inches forward of the end of the frame with the permanent marker. Then make a 1- to 2-inch line down the length of the subframe at the 14-1/2-inch mark. Pick up the center section of the hitch and lift it up underneath the chassis. Line up the plates on the center section to the plates on the energy-absorbing cylinders. Bolt the hitch loosely to the cylinder plates (using the serrated washers and bolts from the hitch kit).