Manufacturer Communications
Vehicles / Gmc / Sierra 3500 / 2021
| Bulletin Number | Vehicle Make | Vehicle Model | Model Year | Summary |
|---|---|---|---|---|
| PIE0594A | GMC | SIERRA 3500 | 2021 | This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed |
| 18NA098 | GMC | SIERRA 3500 | 2021 | This informational bulletin provides information for the technicians on where to look on the Duramax engine for coolant leaks.<br /> |
| 20NA043 | GMC | SIERRA 3500 | 2021 | This informational bulletin advises the technician to not replace the TMAP sensor, clean it using air or harsh chemicals but allow time for the sensor |
| N212330530 | GMC | SIERRA 3500 | 2021 | Customer Satisfaction Program. Certain vehicles may have had a double charge applied for the 20-inch aluminum wheels with accents at the time of vehic |
| 19NA187 | GMC | SIERRA 3500 | 2021 | This bulletin provides additional information on how to graph a cylinder misfire and a possible diagnostic cause.<br /> |
| PIP5753 | GMC | SIERRA 3500 | 2021 | PIP5753 created to advise the technician to inspect for loose bolts on the turbocharger if there is a performance issue and code set.<br /> |
| PIE0574A | GMC | SIERRA 3500 | 2021 | This engineering informational bulletin is requesting information from technicians to inspect for engine oil leak and contact the engineer listed.<br |
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