Chevrolet Silverado 2011–2013 — technical service bulletin
Bulletin PIP4826C · NHTSA communication 10112525 · issued Oct 31, 2012
Technical service bulletin
communication type
Equipment Adaptive/mobility
component
2011–2013
model years
9
vehicle entries
Official summary
This Preliminary Information communication provides information to the technician about vehicles that have a vibration, moan, or buzz type noise heard from either inside the passenger compartment, or from under the hood. Technician will need to replace the new design hose with the first design hose. Technician will also rotate the inlet heater hose.
Vehicles covered
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.