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May 3, 2023 Service bulletin

Safety Recall The brake pedal plunger which connects the brake pedal to the brake valve may dislodge after...

Peterbilt technical service bulletin 23PBB for 2020-2023 Peterbilt 548, 2020-2023 Peterbilt 537 and 2020-2023 Peterbilt 536.

Bulletin number
23PBB
Component
Service brakes, air
Summary
Safety Recall The brake pedal plunger which connects the brake pedal to the brake valve may dislodge after the pedal is fully depressed, and rapidly released (side slip foot brake release). If the plunger in the brake pedal assembly dislodges the driver may be unable to apply the service brakes, which may increase the risk of a crash.

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