Service bulletin PIP6101B
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
| Type | Service bulletin |
|---|---|
| NHTSA id | 11032771 |
| Published by NHTSA | 2026-05-19 |
| Manufacturer's number | PIP6101B |
| Manufacturer's date | 2026-05-11 |
| NHTSA component | UNKNOWN OR OTHER |
NHTSA's summary
The document makes technicians aware of a valvetrain tick noise that is created by one or more soft hydraulic valve lash adjusters. The soft lash adjuster concern is due to debris from the valve rocker arm, entering into the lash adjuster. The document instructs the technician to replace all of the lash adjusters and rocker arms in the entire engine if any soft lash adjusters are found.
The document
The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.
| BUICK ENCLAVE | 2025, 2026 |
|---|---|
| BUICK ENVISION | 2025, 2026 |
| CADILLAC CT4 | 2025, 2026 |
| CADILLAC CT5 | 2025, 2026 |
| CADILLAC XT4 | 2025 |
| CADILLAC XT4 | 2026 |
| CADILLAC XT5 | 2025, 2026 |
| CADILLAC XT6 | 2025 |
| CADILLAC XT6 | 2026 |
| CHEVROLET BLAZER | 2025, 2026 |
| CHEVROLET COLORADO | 2025, 2026 |
| CHEVROLET SILVERADO 1500 | 2025, 2026 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET TRAVERSE | 2025, 2026 |
| GMC ACADIA | 2025, 2026 |
| GMC CANYON | 2025, 2026 |
| GMC SIERRA 1500 | 2025, 2026 (the catalog's model; the bulletin names a series or trim of it) |
Listing a model year does not mean every vehicle of it is concerned: the document says which.