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Vehicle recall 10V636000 · December 15, 2010

Isuzu NPR, Isuzu NQR and 7 more models

The oil pipe bolts were not tightened properly during the vehicle production process.

Source: NHTSA data as of September 22, 2026. Last refreshed Sep 23, 2026, 2:43 AM UTC.

Summary
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.
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.
Notes
Owners may also contact the national highway traffic safety administration's vehicle safety hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to http://www.safercar.gov.

Recall details

NHTSA campaign
10V636000
Reported to NHTSA
December 15, 2010
Filed by
ISUZU MANUFACTURING SERVICES OF AMERICA
Owner notification
January 28, 2011
Vehicles potentially affected
2,992
Initiated by
the manufacturer
Components
Engine and engine cooling
Recall 10V636000 on nhtsa.gov, with the manufacturer’s documents

Vehicles covered

As listed by NHTSA. A recall usually covers only some vehicles of each model and year, often a production date range.

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