ÂSafety Recall â Hill Start Assist (HSA) Valve Clearance â the federal safety agency ID: 21V-648,...
Peterbilt technical service bulletin 21 PBJ for 2020-2021 Peterbilt 579, 2020-2021 Peterbilt 389 and 2020-2021 Peterbilt 567 and others.
- Bulletin number
- 21 PBJ
- Component
- Power train
- Summary
- âSafety Recall â Hill Start Assist (HSA) Valve Clearance â the federal safety agency ID: 21V‑648, TC: 2021-521. Crossmember mounted Hill Start Assist valve may not have sufficient clearance to the rear axle, resulting in hose or fitting damage. Damage could cause the loss of rear brake signal, resulting in reduced braking capability and increasing the risk of a crash.
Owners of these vehicles have filed 2 complaints in the transmission category.
Vehicles covered
- Peterbilt 579 2020-2021 20202021
- Peterbilt 389 2020-2021 20202021
- Peterbilt 567 2020-2021 20202021
- Peterbilt 367 2020-2021 20202021
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