Chevrolet Silverado 3500 2001–2008 — technical service bulletin
Bulletin 08-07-30-001 · NHTSA communication 10025667 · issued Jan 1, 2008
Technical service bulletin
communication type
Power Train
component
2001–2008
model years
27
vehicle entries
Official summary
4l80e, mt1 and 4l85e, mn8 simplified valve body reconditioning instructions, dtc p0741, p0742, p0752, p0752, p0756, p0757, p0894, harsh or delayed shifts, slips, no drive, no reverse. *pe updated 6/11/10. *pe
Vehicles covered
- 2001 Chevrolet Silverado 3500
- 2002 Chevrolet Silverado 3500
- 2003 Chevrolet Silverado 3500
- 2004 Chevrolet Silverado 3500
- 2005 Chevrolet Silverado 3500
- 2006 Chevrolet Silverado 3500
- 2001 GMC Sierra 2500
- 2002 GMC Sierra 2500
- 2003 GMC Sierra 2500
- 2004 GMC Sierra 2500
- 2005 GMC Sierra 2500
- 2001 GMC Sierra 3500
- 2002 GMC Sierra 3500
- 2003 GMC Sierra 3500
- 2004 GMC Sierra 3500
- 2005 GMC Sierra 3500
- 2006 GMC Sierra 3500
- 2004 GMC W3500
- 2005 GMC W3500
- 2006 GMC W3500
- 2007 GMC W3500
- 2008 GMC W3500
- 2004 GMC W4500
- 2005 GMC W4500
- 2006 GMC W4500
- 2007 GMC W4500
- 2008 GMC W4500
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.