Drum Brake Adjustment & Specs
Manual and self-adjusting drum brake reference. Adjust on a raised, supported vehicle with the wheel free to spin.
| Check | Specification |
|---|---|
| Shoe adjustment (star wheel) | Expand until drum drags, back off ~8–12 clicks |
| Pedal free play | 1/4"–1/2" |
| Residual pressure (drum) | 6–10 psi (residual valve) |
| Drum diameter | Do not exceed max stamped on drum |