Astro Van 2WD V6-4.3L VIN W (2001)
6. Using a punch and hammer, remove and discard the knockout plug in the backing plate (1) which is directly behind the starwheel adjuster.
7. Install the brake drum.
8. Tighten the adjusting screw until light drag is present when the drum is rotated.
The brake lining drag should be equal at both drums.
9. Apply the brake pedal two times in order to center the brake shoes on the locating pins.
10. Check the drums again for light drag. Adjust as necessary.
11. Install an adjusting hole cover in the backing plate.
12. Lower the vehicle.
13. Check the park brake adjustment.
