The 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, 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.
The risk
IF THE ENGINE SEIZES WHILE THE VEHICLE IS BEING DRIVEN, THE VEHICLE MAY EXPERIENCE SUDDEN DECELERATION LEADING TO AN INCREASED RISK OF A CRASH.
The 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.
NHTSA's own wording · initiated by MFR
Vehicles covered
| Model | Model years |
|---|---|
| Chevrolet W3500 | 2006, 2007 |
| Chevrolet W4500 | 2006, 2007 |
| Chevrolet W5500 | 2006, 2007 |
| GMC W3500 | 2006, 2007 |
| GMC W4500 | 2006, 2007 |
| GMC W5500 | 2006, 2007 |
| Isuzu NPR | 2006, 2007 |
| Isuzu NQR | 2006, 2007 |
| Isuzu NRR | 2006, 2007 |
Components: ENGINE AND ENGINE COOLING
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 | 2006 | 2 | 3 |
| Chevrolet W3500 | 2007 | 2 | 3 |
| Chevrolet W4500 | 2006 | 1 | 3 |
| Chevrolet W4500 | 2007 | 3 | 3 |
| Chevrolet W5500 | 2006 | 0 | 2 |
| Chevrolet W5500 | 2007 | 0 | 3 |
| GMC W3500 | 2006 | 1 | 3 |
| GMC W3500 | 2007 | 1 | 4 |
| GMC W4500 | 2006 | 3 | 3 |
| GMC W4500 | 2007 | 2 | 4 |
| GMC W5500 | 2006 | 0 | 2 |
| GMC W5500 | 2007 | 0 | 2 |
| Isuzu NPR | 2006 | 9 | 3 |
| Isuzu NPR | 2007 | 2 | 3 |
| Isuzu NQR | 2006 | 0 | 2 |
| Isuzu NQR | 2007 | 3 | 2 |
| Isuzu NRR | 2006 | 0 | 2 |
| Isuzu NRR | 2007 | 0 | 2 |
Other engine and engine cooling recalls in 2010
48 of the 647 recall campaigns reported to NHTSA in 2010 concerned the engine and engine cooling; ISUZU MANUFACTURING SERVICES OF AMERICA filed 8 campaigns in all.
| 10V631000 20 Dec 2010 | NAVISTAR, INC |
| 10V639000 14 Dec 2010 | TRIUMPH MOTORCYCLES AMERICA LTD |
| 10V632000 10 Dec 2010 | NORTH AMERICAN BUS INDUSTRIES, INC. |
| 10V638000 9 Dec 2010 | EXECUTIVE COACH BUILDERS |
| 10V574000 18 Nov 2010 | NAVISTAR, INC |
| 10V576000 18 Nov 2010 | NAVISTAR, INC |
| 10V579000 17 Nov 2010 | VOLVO CARS OF N.A. LLC. |
| 10V517000 28 Oct 2010 | NISSAN NORTH AMERICA, INC. |
NHTSA recalls (public domain) · all recalls of 2010