G 1500 1/2 Ton Van V6-4.3L VIN W (1997)
Brake Shoe: Testing and Inspection
Inspect the rear brake shoes every 6,000 miles and any time the wheels are removed (tire rotation, etc.). Inspect the rear brake shoes for wear by
removing the rear brake drum. Replace the rear brake shoes when the thickness is worn to within 0.76 mm (0.030 inch) of the shoe or rivet head. Always
replace the rear brake shoes as a complete axle set.