2006 GMC W4500 Recalls

Recalls on record Updated July 2026

The 2006 GMC W4500 has 3 NHTSA recall campaigns affecting an estimated 33,522 vehicles. Recall repairs are always free at any authorized dealer. Owners have filed 3 complaints with NHTSA, most often about the electrical system. Last updated July 5, 2026.

Recall campaigns

FUEL SYSTEM, GASOLINE 15V704000 2015-10-26 13,671 affected
Defect

Isuzu Manufacturing Services of America (Isuzu) is recalling certain model year 2006-2008 Isuzu NPR and NPR-HD and Chevrolet W3500 and W4500 trucks manufactured March 16, 2005, to August 13, 2008 and 2006-2008 GMC W3500 and W4500 trucks manufactured July 18, 2005, to August 13, 2008. The affected vehicles have a…

Consequence

A fuel leak in the presence of an ignition source increases the risk of a fire.

Remedy

Isuzu will notify owners, and dealers will replace the fuel tank, free of charge. Isuzu issued an interim notification to owners on December 18, 2015. The recall began on April 8, 2016. Owners may contact Isuzu customer service at 1-866-441-9638.

ENGINE AND ENGINE COOLING 10V636000 2010-12-15 2,992 affected
Defect

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. IF NOT ADEQUATELY TIGHTENED, THE BOLT MAY LOOSEN AFTER PROLONGED VEHICLE OPERATION,…

Consequence

IF THE ENGINE SEIZES WHILE THE VEHICLE IS BEING DRIVEN, THE VEHICLE MAY EXPERIENCE SUDDEN DECELERATION LEADING TO AN INCREASED RISK OF A CRASH.

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. OWNERS MAY CONTACT ISUZU AT 1-800-255-6727.

FUEL SYSTEM, DIESEL 08V251000 2008-06-05 16,859 affected
Defect

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.

Consequence

FUEL LEAKAGE, IN THE PRESENCE OF AN IGNITION SOURCE, COULD RESULT IN A FIRE.

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. THE RECALL WILL BEGIN ON JUNE 30, 2008. OWNERS MAY CONTACT ISUZU AT 1-800-255-6727, GMC AT 1-866-996-9463,…

Complaints by component

ELECTRICAL SYSTEM
1
FUEL SYSTEM, DIESEL
1
FUEL/PROPULSION SYSTEM
1
Total complaints3

What owners report

Verbatim reports filed with NHTSA, lightly edited for readability and with personal information removed.

“Hello I have had several recurring issues with my fuel pump system. I have had one actual fuel line break in half and pour diesel out while I was driving down the road. Also the fuel pump on the vehicle has come a loose from the engine twice breaking the four lug nuts that hold the fuel pump to…”

FUEL/PROPULSION SYSTEM · reported 2014-08-01

“Truck is warming up very easy and the alarm is turning on after drive couple miles. *tr”

ELECTRICAL SYSTEM · reported 2013-12-01

“Tl* the contact owns a 2006 general motor company w4500. The contact was driving when the vehicle stalled, and the contact noticed there was diesel fuel leaking. The vehicle was towed to a private mechanic and who confirmed that the fuel pump failed. The manufacturer was contacted and confirmed…”

FUEL SYSTEM, DIESEL · reported 2011-10-18
Sources & methodology

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 W4500 as of July 5, 2026. Complaint narratives are consumer-submitted and unverified. This page contains ads and affiliate links. Full methodology.