Bravada V6-262 4.3L VIN Z (1991)
3.
Disconnect the end gate lock rods (Figure 2, Items 1 and 2).
4.
Remove the lock cylinder retainer (Figure 3, Item 2).
5.
Working through the access hole, remove the lock cylinder and gasket (Figure 3, Items 4 and 3) through the outer panel.
6.
Remove the spring (located on the lock assembly) and carefully bend the spring ends just far enough to eliminate any clearance between the lock
pawl assembly and the lock cylinder housing (Figure 3, Items 6 and 4).
Note:
If the spring breaks while bending, it will be necessary to replace the lock cylinder assembly.