TrailBlazer 2WD L6-4.2L VIN S (2003)
6. Remove the park brake cable from the park brake lever.
7. Slide the park brake shoe (2) down until it is disengaged from the hold down spring (3).
8. Lift the shoe (2) away from the backing plate and slide the shoe up, off of the actuation mechanism (1).
9. Remove the shoe (2) over the axle flange and from the vehicle.
10. Clean the debris and the dust from the park brake components using a clean towel.
11. Turn the adjustment screw to the fully home position in the notched adjustment nut, then back it off 1/4 turn.
12. Align the slots in both the adjusting screw and tappet to be parallel with the backing plate face.
13. Using denatured alcohol, clean the rear backing plate of dirt and foreign materials.
14. Using non-lubricated, filtered air, dry the backing plate.
Installation Procedure
1. Install a new park brake shoe (2) over the axle flange.
