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Data through Oct 2026
Campaign 94V-228

Vacuum hose can detach from the power brake booster check valve as a result of engine backfire

View NHTSA filingAll General Motors campaigns
Defect summary

A VACUUM HOSE CAN DETACH FROM THE POWER BRAKE BOOSTER CHECK VALVE AS A RESULT OF ENGINE BACKFIRE.

Consequence

THIS CAN RESULT IN INCREASED ENGINE IDLE AND LOSS OF POWER BRAKE ASSIST AFTER DEPLETION OF THE BOOSTER VACUUM RESERVE.

Remedy

DEALERS WILL INSTALL A CLAMP ON THE POWER BRAKE BOOSTER ASSIST.

Notes

SYSTEM: BRAKES; HYDRAULIC; POWER ASSIST; CHECK VALVE.VEHICLE DESCRIPTION: LIGHT DUTY PICKUP TRUCKS EQUIPPED WITH 2.2 L ENGINES.NOTE: IF THE VEHICLE IS PRESENTED TO AN AUTHORIZED DEALER ON AN AGREED UPON SERVICE DATE AND THE REMEDY IS NOT PROVIDED FREE OF CHARGE WITHIN A REASONABLE TIME OR THE REMEDY DOES NOT CORRECT THE DEFECT, PLEASE CONTACT CHEVROLET AT1-800-222-1020, OR GMC AT 1-810-456-4547. ALSO, CONTACT THE NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION'S AUTO SAFETY HOTLINE AT 1-800-424-9393.

Source: NHTSA ODI recalls file, campaign 94V228000. Text as published by NHTSA.
Vehicles covered

2 product lines are covered

Owner complaints filed with NHTSA about brakes on these vehicles: 535, of which 111 involved a crash, fire, injury or death. Complaints are not verified by NHTSA.

Vehicles covered by campaign 94V-228
MakeModelModel yearsComplaints on this component
ChevroletS101994532
GMCS1519943
Source: NHTSA ODI recalls and complaints files. Equipment, tire and child-seat campaigns list products, not vehicles.