hank holmes, I did look at the brake layout for a '96 DS and they are self adjusting. Here is what the manual has to say:
1. Place chocks at the front wheels. Loosen, but do not remove, lug nuts on rear wheels and lift the rear of the vehicle with a chain hoist or floor jack. Place jackstands under the axle tubes to support the vehicle.
2. Loosen the equalizer retaining nuts (1) on the equalizer rod (2) to slightly loosen the brake cable (Figure 6-2, Page 6-3).
3. Remove rear wheel lug nuts and rear wheels and then the brake drums. If the brake drums cannot be removed, see the following NOTE. Otherwise, proceed to step 5.
WHEN SERVICING VEHICLES WITH SEVERELY WORN BRAKE SHOES AND WHEN THE DRUMS CANNOT BE REMOVED BY NORMAL METHODS, PROCEED TO STEP 4 TO MINIMIZE DAMAGE TO THE BRAKE CLUSTER AND BRAKE COMPONENTS.
4. Remove brake drums and badly worn brake shoes
4.1. On the back of each brake cluster assembly, locate the heads of two brake shoe retainer pins. It may be necessary to remove sealant material around the head of each pin.
4.2. Insert a 1/2 in. x 5/8 in. cold chisel under the head of each pin and shear them off as illustrated in Figure 6-4, Page 6-4. This will release the shoes from the backing plate, allowing them to pivot away from the inside of the brake drum which should then allow the brake drum to be pulled free.
5. Remove the axle.
5.1. Using snap ring pliers, remove the axle retaining ring (1) (Figure 6-3, Page 6-3).
5.2. Pull the axle shaft (2) from the axle tube (Figure 6-3, Page 6-3).
6. Using needle nose pliers, turn the clip retainer (1) 90° to remove the shoe retainer clip (2) (Figure 6-5,Page 6-4).
• THE BRAKE SHOES ARE UNDER PRESSURE AND CAN RELEASE SUDDENLY WHEN BRAKE SHOE RETAINERS ARE REMOVED.
7. Grasp both brake shoes and pull them, together with the springs, out of the brake assembly as shown (Figure 6-6, Page 6-4).
8. Remove adjuster wheel (1) with two washers (2 and 3) from the backing plate (Figure 6-7, Page 6-6).
9. Carefully clean the brake backing plate and all its mechanical components.