There have been 2 technical service bulletins issued for the 2004 Isuzu Npr-hd.
| Bulletin Date: | Aug. 1, 2014 |
| Component: | Engine and engine cooling. |
| Bulletin Summary: | Isuzu: information regarding corrosion inhibitor improvement that changes color of coolant to a dark color and is added at port to both radiator and surge tank. |
| Vehicles covered in this TSB: |
1998 Isuzu N Series,
1999 Isuzu N Series,
2000 Isuzu N Series,
2001 Isuzu N Series,
2002 Isuzu N Series,
2003 Isuzu N Series,
2004 Isuzu N Series,
1997 Isuzu N-series,
1998 Isuzu N-series,
1999 Isuzu N-series,
2000 Isuzu N-series,
2001 Isuzu N-series,
2002 Isuzu N-series,
2003 Isuzu N-series,
2004 Isuzu N-series,
|
| Bulletin Date: | May. 4, 2004 |
| Component: | Engine. |
| Bulletin Summary: | Low engine oil light inoperative. |
| Vehicles covered in this TSB: |
2003 Chevrolet W3500,
2004 Chevrolet W3500,
2003 Chevrolet W4500,
2004 Chevrolet W4500,
2003 GMC W Series,
2004 GMC W Series,
2003 Isuzu NPR,
2004 Isuzu NPR,
2004 Isuzu Npr-hd.
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