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May 14, 2021 Service bulletin

This service bulletin provides a procedure for replacing the oil pump, power brake booster and power brake...

GMC technical service bulletin 17NA021 for 2017-2018 GMC Acadia, 2018 Buick Regal and 2016-2018 Chevrolet Camaro and others.

Bulletin number
17NA021
Component
Service brakes
Summary
This service bulletin provides a procedure for replacing the oil pump, power brake booster and power brake booster vacuum hose to eliminate a hard brake pedal and/or air type noise heard upon brake apply due to oil in the brake booster.

Owners of these vehicles have filed 123 complaints in the brakes category.

Vehicles covered

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