Chevrolet Astro 2001–2006 — technical service bulletin
Bulletin 3401 · NHTSA communication 10020072 · issued Jul 19, 2006
Technical service bulletin
communication type
Engine and Engine Cooling
component
2001–2006
model years
30
vehicle entries
Official summary
Turbocharger oil feed line kinked or restricted. *tt
Vehicles covered
- 2005 Chevrolet Astro
- 2001 Chevrolet Express
- 2002 Chevrolet Express
- 2003 Chevrolet Express
- 2004 Chevrolet Express
- 2005 Chevrolet Express
- 2006 Chevrolet Express
- 2001 Chevrolet Kodiak
- 2003 Chevrolet Kodiak
- 2004 Chevrolet Kodiak
- 2005 Chevrolet Kodiak
- 2006 Chevrolet Kodiak
- 2001 Chevrolet Silverado
- 2002 Chevrolet Silverado
- 2003 Chevrolet Silverado
- 2004 Chevrolet Silverado
- 2005 Chevrolet Silverado
- 2006 Chevrolet Silverado
- 2001 GMC Sierra
- 2002 GMC Sierra
- 2003 GMC Sierra
- 2004 GMC Sierra
- 2005 GMC Sierra
- 2006 GMC Sierra
- 2003 GMC Topkick
- 2004 GMC Topkick
- 2005 GMC Topkick
- 2006 GMC Topkick
- 2006 GMC Topkick 6500
- 2006 GMC Topkick 8500
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.