Chevrolet Express 2010–2016 — technical service bulletin
Bulletin PIP5088D · NHTSA communication 10099460 · issued Sep 23, 2016
Technical service bulletin
communication type
Engine and Engine Cooling
component
2010–2016
model years
31
vehicle entries
Official summary
This preliminary information communication advises the technician that the 6.6l duramax, regular production option code lml/lgh, engine part number 12638505 parts restriction has ended. Dealer can order parts through the regular customer care and aftersales parts process.
Vehicles covered
- 2010 Chevrolet Express
- 2011 Chevrolet Express
- 2012 Chevrolet Express
- 2013 Chevrolet Express
- 2014 Chevrolet Express
- 2015 Chevrolet Express
- 2016 Chevrolet Express
- 2012 Chevrolet Silverado 1500
- 2013 Chevrolet Silverado 1500
- 2014 Chevrolet Silverado 1500
- 2015 Chevrolet Silverado 1500
- 2016 Chevrolet Silverado 1500
- 2014 Chevrolet Silverado 2500
- 2014 Chevrolet Silverado 3500
- 2010 GMC Savana
- 2011 GMC Savana
- 2013 GMC Savana
- 2014 GMC Savana
- 2015 GMC Savana
- 2016 GMC Savana
- 2011 GMC Sierra 1500
- 2012 GMC Sierra 1500
- 2013 GMC Sierra 1500
- 2014 GMC Sierra 1500
- 2015 GMC Sierra 1500
- 2016 GMC Sierra 1500
- 2014 GMC Sierra 2500
- 2014 GMC Sierra 3500
- 2011 GMC Sierra Denali
- 2012 GMC Sierra Denali
- 2013 GMC Sierra Denali
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.