TSB PIT5161L — Chevrolet and GMC Service bulletin
PIT5161L is a service bulletin on file with NHTSA for 3 Chevrolet and GMC models, 2007–2018 model years. A TSB is factory repair guidance, not a recall — the repair is not automatically free.
What the bulletin says. This Preliminary Information communication provides information to the technician about vehicles that may have a bump feel or clunk noise at a stop or on launch. Dealer should communicate to the customer this condition is a normal operating characteristic
NHTSA's own summary of the document, quoted from the public manufacturer-communications file.
Vehicles and model years PIT5161L names
| Vehicle | Model years |
|---|---|
| Chevrolet Silverado 1500 | 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014 |
| Chevrolet Silverado 2500 | 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018 |
| GMC Sierra 1500 | 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014 |
Every document filed under PIT5161L
| Document ID | Filed | Type |
|---|---|---|
| PIT5161L | July 31, 2025 | Service bulletin |
Questions buyers ask
What is TSB PIT5161L?
PIT5161L is a service bulletin filed with NHTSA by Chevrolet and GMC, covering 3 Chevrolet and GMC models across the 2007–2018 model years. NHTSA's summary reads: This Preliminary Information communication provides information to the technician about vehicles that may have a bump feel or clunk noise at a stop or on launch. Dealer should communicate to the customer this condition is a normal operating characteristic
Which vehicles does PIT5161L cover?
NHTSA's file names Chevrolet Silverado 1500 (2007–2014); Chevrolet Silverado 2500 (2007–2018); GMC Sierra 1500 (2007–2014). A bulletin number can be re-issued against more vehicles later, so check the model-year list on this page against your own.
Is TSB PIT5161L a recall, and is the repair free?
No. PIT5161L is repair guidance the manufacturer sent its dealers, not a safety defect finding. You pay for the work unless the vehicle is still under warranty. Recall repairs, by contrast, are always free.
How do I get the full text of PIT5161L?
Take the document ID to a dealer's service desk, or search NHTSA's manufacturer-communications records. This page carries every document ID filed under PIT5161L, its date, and NHTSA's own summary from the public file.
Every number on this page is a count of records in the federal complaint, recall, and investigation files published by NHTSA's Office of Defects Investigation. This page lists only what NHTSA's manufacturer-communications file records under PIT5161L. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.