The 2006 GMC T-Series has 2 NHTSA recall campaigns affecting an estimated 2,553 vehicles. Recall repairs are always free at any authorized dealer. Owners have filed 2 complaints with NHTSA, most often about the steering. Last updated July 5, 2026.
Recall campaigns
SERVICE BRAKES, AIR06V3110002006-08-161,369 affected
Defect
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…
Consequence
IF STOPPING DISTANCE WAS LIMITED, A VEHICLE CRASH COULD RESULT.
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.
PARKING BRAKE06V2540002006-07-131,184 affected
Defect
CERTAIN MEDIUM DUTY TRUCKS EQUIPPED SR-7 BENDIX BRAKE VALVES, THE CHECK VALVE INSIDE THE VALVE CAVITY MAY NOT PROPERLY SET, CAUSING INTERNAL AIR LEAKAGE. IF THE CHECK VALVE DOES NOT PROPERLY SEAT, THE RESULTING LEAKAGE CAN CAUSE A DELAY IN THE APPLICATION OF THE SPRING BRAKES TO PARK THE VEHICLE AFTER OPERATOR PULLS…
Consequence
THE DELAYED PARKING BRAKE APPLICATION CAN OCCUR WITHOUT WARNING, LEADING TO UNINTENDED VEHICLE ROLLAWAY INCREASING THE RISK OF A CRASH.
Remedy
DEALERS WILL INSPECT THE VALVES AND REPLACE IT FREE OF CHARGE. THE RECALL BEGAN ON JULY 31, 2006. OWNERS MAY CONTACT CHEVROLET AT 1-800-630-2438, GMC AT 1-866-996-9463, OR ISUZU AT 1-800-255-6727.
Complaints by component
STEERING
1
STRUCTURE
1
Total complaints2
What owners report
Verbatim reports filed with NHTSA, lightly edited for readability and with personal
information removed.
“After 9 inches of rain reported yesterday for north miami , florida hummer h-3 found with leaking big amount of water in dashboard and floor of the car. Hummer h-3-yr 2006. *ak”
“I paid 25k for this 2006 gmc sierra truck with 8600 miles, purchased from texan cheverolet in humble, tx july 4th 2006. Noticed it about 6k to 7k miles. Clunk noise driverside under hood. Notice noise while backing out, going over small bumps or in transit at a slow speed. Also noticed a clunk…”
Recall, complaint, and investigation records from official NHTSA datasets (FLAT_RCL,
FLAT_CMPL, FLAT_INV), synced weekly. Counts reflect NHTSA records for the 2006 GMC T-Series as of
July 5, 2026. Complaint narratives are consumer-submitted and unverified. This page
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