There have been 2 technical service bulletins issued for the 2004 Isuzu NRR.
| 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,
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| Bulletin Date: | Nov. 1, 2006 |
| Component: | Engine. |
| Bulletin Summary: | Engine low power, whistling-type noise from engine (replace turbo to charge air cooler hose clamp). |
| Vehicles covered in this TSB: |
2004 Chevrolet W Series,
2004 GMC W Series,
2004 Isuzu NPR,
2005 Isuzu NPR,
2006 Isuzu NPR,
2007 Isuzu NPR,
2004 Isuzu NQR,
2005 Isuzu NQR,
2006 Isuzu NQR,
2007 Isuzu NQR,
2004 Isuzu NRR,
2005 Isuzu NRR,
2006 Isuzu NRR.
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