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December 1, 2009 Service bulletin

Isuzu/gmc/chevrolet: oil related misdiagnosis-engine oil dipstick calibration incorrect

Isuzu technical service bulletin SB-09-J-006 for 2007-2010 Isuzu NPR, 2007-2010 Isuzu N-Series and 2007-2010 Chevrolet W3500 and others.

Bulletin number
SB-09-J-006
Component
Equipment
Summary
Isuzu/gmc/chevrolet: oil related misdiagnosis-engine oil dipstick calibration incorrect. Models equipped with diesel particulate filler (dpf) and wholesaled before 12/03/09, were built with an incorrect engine oil dipstick calibration. The incorrect calibration causes an overfilled condition of approximately 1.5qts when at the full mark.

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