The defect
ON CERTAIN TRUCKS EQUIPPED WITH RPO IK9, DUE TO INSUFFICIENT DURABILITY AND TESTING, THE FUEL SWITCHING MANIFOLD SOLENOIDS LACK WATER OR SALT INTRUSION RESISTANCE, WHICH CAN LEAD TO FAILURE OF ONE OR MORE SOLENOIDS. FUEL SWITCHING MANIFOLD SOLENOID FAILURE WILL CAUSE INCORRECT FUEL DELIVERY RESULTING IN FUEL OVERFLOW FROM THE FUEL FILLER NECK.
The risk
OVERFLOW FUEL MAY RESULT IN HIGH AMOUNT OF DIESEL FUEL LEAKAGE. FUEL LEAKAGE, IN THE PRESENCE OF AN IGNITION SOURCE, COULD RESULT IN A FIRE.
The remedy
DEALERS WILL REPLACE THE SOLENOID VALVE ASSEMBLY WITH AN IMPROVED ASSEMBLY INCLUDING ADDITIONAL DETECTION CIRCUIT AND ENHANCED WATER RESISTANCE FREE OF CHARGE. THE RECALL BEGAN ON OCTOBER 27, 2005. OWNERS MAY CONTACT ISUZU AT 1-800-255-6727.
NHTSA's own wording · initiated by MFR
Vehicles covered
| Model | Model years |
|---|---|
| Chevrolet W3500 | 2003, 2004 |
| Chevrolet W4500 | 2003, 2004 |
| Chevrolet W5500 | 2004 |
| GMC W3500 | 2003, 2004 |
| GMC W4500 | 2003, 2004 |
| GMC W5500 | 2003, 2004 |
| Isuzu NPR | 2003, 2004 |
| Isuzu NQR | 2003, 2004 |
Components: FUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY
Model years in this recall
NHTSA complaints and the number of recall campaigns for each model year this recall covers.
| Model | Year | Complaints | Recalls |
|---|---|---|---|
| Chevrolet W3500 | 2003 | 4 | 1 |
| Chevrolet W3500 | 2004 | 4 | 1 |
| Chevrolet W4500 | 2003 | 1 | 1 |
| Chevrolet W4500 | 2004 | 1 | 1 |
| Chevrolet W5500 | 2004 | 0 | 1 |
| GMC W3500 | 2003 | 0 | 1 |
| GMC W3500 | 2004 | 1 | 1 |
| GMC W4500 | 2003 | 1 | 1 |
| GMC W4500 | 2004 | 1 | 1 |
| GMC W5500 | 2003 | 0 | 1 |
| GMC W5500 | 2004 | 0 | 1 |
| Isuzu NPR | 2003 | 0 | 1 |
| Isuzu NPR | 2004 | 0 | 1 |
| Isuzu NQR | 2003 | 0 | 1 |
| Isuzu NQR | 2004 | 0 | 1 |
Other fuel system, diesel recalls in 2005
8 of the 562 recall campaigns reported to NHTSA in 2005 concerned the fuel system, diesel; ISUZU MANUFACTURING SERVICES OF AMERICA filed 8 campaigns in all.
| 05V524000 17 Nov 2005 | MACK TRUCKS, INC |
| 05V205000 27 Apr 2005 | FREIGHTLINER LLC |
| 05V114000 29 Mar 2005 | ELDORADO NATIONAL - CALIFORNIA, INC. |
| 05V110000 24 Mar 2005 | OPTIMA BUS CORP |
| 05V079000 2 Mar 2005 | ORION BUS INDUSTRIES LTD. |
| 05V063000 28 Feb 2005 | SPARTAN CHASSIS, INC. |
| 05V062000 22 Feb 2005 | BLUE BIRD BODY COMPANY |
NHTSA recalls (public domain) · all recalls of 2005