2006 GMC W4500: problems, recalls and reliability
3 recalls and 3 owner complaints on record; most reports concern fuel system, diesel; the 2008 model year looks more trouble-free.
Data updated weekly · latest recall Oct 2015
All counts are reports filed with NHTSA in the United States - US market only, not worldwide totals.
Common problems
Computed from 3 owner complaints filed with NHTSA for this exact model year.
“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 the engine, which also caused fuel to leak. *tr”Owner report · Fuel/Propulsion System · Aug 2014
“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 the VIN did not qualify for NHTSA recall campaign id number :08v251000(fuel system, diesel). The vehicle was not repaired. The failure and current mileage was 155,000.”Owner report · Fuel System, Diesel · Oct 2011
Recalls - 3 campaigns
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 fuel tank that may corrode and leak fuel.
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.
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. THE RECALL WILL BEGIN ON JUNE 30, 2008. OWNERS MAY CONTACT ISUZU AT 1-800-255-6727, GMC AT 1-866-996-9463, OR CHEVROLET AT 1-800-630-2438..
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, WHICH CAN RESULT IN OIL SEEPAGE OR LEAKAGE FROM THE PACKING SEALS. IN GENERAL, AS OIL IS LOST, THE OIL WARNING LAMP WILL ILLUMINATE, AND THERE MAY BE ABNORMAL ENGINE NOISE AND LOSS OF OIL CAN CAUSE ENGINE SEIZURE.
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.
How other years compare
Check your exact W4500 by VIN
Recalls and equipment differ between individual vehicles. Decode your VIN to see what applies to yours.
Open VIN decoderFrequently asked questions
Is the 2006 GMC W4500 reliable?
NHTSA has 3 owner complaints and 3 recall campaigns on record for the 2006 GMC W4500. The most complained-about area is fuel system, diesel.
Does the 2006 GMC W4500 have open recalls?
3 recall campaigns have been issued, the latest concerning fuel system, gasoline:storage:tank assembly. Check your specific vehicle by VIN - recall repairs are free at franchised dealers.
Source: NHTSA recall campaigns and owner complaints (public domain). Counts reflect reports on file and are not a defect rate.