- 1973–82 Confirmed
Std config on light trucks
JB5 Factory-verified
Also described as Power disc/drum brake system
Also documented for CadillacGMC
Documented applications
- 1998–2000 Factory-verified
- 1998–1999 Factory-verified
- 1998–1999 Factory-verified
This page aggregates every documented appearance of JB5 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.