Complaints by model year
* Complaints compared with the median W5500 year at the same age, so new and old years are judged fairly. How this works.
Latest GMC W5500 recalls
Engine and engine cooling
Isuzu is recalling certain model year 2006-2007 Isuzu npr, nqr, nrr, GMC w3500, w4500, w5500, and Chevrolet w3500, w4500, and w5500 vehicles. The oil pipe bolts were not tightened properly during the vehicle production process.
Remedy: Dealers will replace the packing seals with new ones and the bolt will be tightened with a specified torque. This service will be performed free of charge. The safety recall began on January 28, 2011.
Fuel system, diesel
Isuzu is recalling 16,859 my 2006-2007 Isuzu npr, nqr, nrr, GMC w3500, w4500, w5500 and Chevrolet w3500, w4500, w5500 trucks equipped with diesel engines. Diesel fuel May seep or leak from the fuel pipe at the upper or lower fuel port on the diesel fuel supply pump.
Remedy: Dealers will inspect the vehicles and if no seepage or leakage is detected, the fuel pipe fittings will be tightened. If seepage or leakage is detected, the fuel supply pump will be replaced with a new one.
Frequently asked questions
What years of the GMC W5500 should you avoid?
None of the GMC W5500 years has an unusually high number of complaints compared with the others at the same age.
How many recalls has the GMC W5500 had?
2 recalls across 2006–2007. The model year with the most is 2006.
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.