BRAKE SHOES Drums Removed 1. Adjust with brake drums cold and parking brake correctly adjusted. Measure brake drum inside diameter using Brake Adjustment Gauge (D81L-1103-A) or equivalent . See Fig. 3 . Fig. 3: Measuring Brake Drum & Shoe Diameter Courtesy of FORD MOTOR CO. 2. Reverse adjustment gauge. Position the special tool on the brake shoes and linings and adjust accordingly. Hold adjusting lever away from adjusting screw. Turn screw until outside diameter of shoes contacts gauge. See Fig. 3 . 3. Install brake drum and wheel assembly. Complete adjustment by applying brakes quickly several times while driving vehicle alternately forward and backward. Check brake operation by stopping often while driving forward. NOTE: Rear brake shoes are automatically adjusted when vehicle is driven forward and backward and brakes are applied sharply. Manual adjustment is required if brakes do not self-adjust or after brake shoes have been removed or replaced.