Component
SERVICE BRAKES, AIR
Manufacturer
GENERAL MOTORS CORP.
What Happened
There's a problem with the air brake system in your vehicle. A small valve wasn't installed correctly, which might prevent the brakes from working as they should.
Risk if Unfixed
If you need to stop suddenly, your vehicle may not stop as quickly as it should, which could lead to a crash.
Free Fix
The dealership will replace a valve or fix some air brake lines in your vehicle for free. You can contact Chevrolet at 1-800-630-2438, GMC at 1-866-996-9463, or Isuzu at 1-800-255-6727.
Show original NHTSA language
Original — What Happened
CERTAIN TRUCKS FAIL TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 121, "AIR BRAKE SYSTEMS." AN INTERNAL CONTROL AND CHECK VALVE WITHIN THE AIR BRAKE APPLICATION VALVE ASSEMBLY WAS CONFIGURED IMPROPERLY, PREVENTING AIR FROM FLOWING THROUGH THE BRAKE SYSTEM AS DESIGNED. IN THE EVENT OF AN EMERGENCY STOP, THE VEHICLE'S STOPPING DISTANCE WOULD BE INCREASED.
Original — Risk if Unfixed
IF STOPPING DISTANCE WAS LIMITED, A VEHICLE CRASH COULD RESULT.
Original — Remedy
DEALERS WILL REPLACE THE AIR BRAKE APPLICATION VALVE ASSEMBLY ON C-SERIES OR REROUTE THE AIR BRAKE LINES ON T-SERIES FREE OF CHARGE. THE RECALL BEGAN ON SEPTEMBER 20, 2006. OWNERS MAY CONTACT CHEVROLET AT 1-800-630-2438, GMC AT 1-866-996-9463 AND ISUZU AT 1-800-255-6727.
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Repairs are free at any authorized dealer. Find a dealer →