Complaints by model year
* Complaints compared with the median T Series year at the same age, so new and old years are judged fairly. How this works.
Most common Chevrolet T Series problems
Latest Chevrolet T Series recalls
Service brakes, air › Supply › Compressor
GM is recalling 1,880 model year 2007 Chevrolet kodiak and t-series, GMC topkick and t-series, and Isuzu f-series and h-series passenger vehicles equipped with 7.8l diesel engine. The air compressor in some of these vehicles May not build enough air pressure to support the air brake system.
Remedy: Dealers will inspect the air compressor for its ability to build air pressure, and either modify the air compressor by elimination of the suppression valve or replace the air compressor assembly free of charge.
Service brakes, air › Supply › Compressor
On certain medium duty conventional and tilt cab trucks equipped with 7.8l diesel engines and air brakes, the air compressor May not build enough air pressure to support the air brake system.
Remedy: Dealers will replace the air compressor head. The recall began on May 23, 2007. Owners May contact Chevrolet at 1-800-630-2438, GMC at 1-866-996-9463, or Isuzu at 1-800-255-6727.
Service brakes, air
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.
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.
Parking brake › Conventional › Air
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 the dash…
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.
Frequently asked questions
What years of the Chevrolet T Series should you avoid?
None of the Chevrolet T Series years has an unusually high number of complaints compared with the others at the same age.
What are the most common Chevrolet T Series problems?
Across all years, owners report the most problems with the body & structure (1), transmission & drivetrain (1) and fuel & propulsion system (1). Body complaints peak in the 2006 model year.
How many recalls has the Chevrolet T Series had?
4 recalls across 2006–2007. The model year with the most is 2006. See all Chevrolet T Series recalls by year.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) — owner complaints through October 20, 2026, recalls and defect investigations; fuel economy from the EPA. Complaints are unverified reports and are not proof of a defect. How we rate model years.