Service bulletin PIT4745E
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 | 10143789 |
| Published by NHTSA | 2018-08-20 |
| Manufacturer's number | PIT4745E |
| Manufacturer's date | 2018-07-31 |
| NHTSA component | WHEELS |
NHTSA's summary
This Preliminary Information communication provides information to the technician about vehicles that have raised dents or ripple appearance in the side outer panel of the cargo box around the perimeter of the wheel house opening. Technician should first access the rear of the inner wheelhouse area through the tail lamp cavity and the front of the wheelhouse from under the vehicle, and coat the inner hem of the wheel house to side outer panel with 3M Rust Fighter I. After allowing the 3M Rust Fighter I to dry then apply several coats of Nox Rust X-121B undercoating.
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.
Components
Wheels
| CHEVROLET SILVERADO | 2017 |
|---|---|
| CHEVROLET SILVERADO 1500 | 2007, 2008, 2009, 2010, 2011 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET SILVERADO 1500 | 2014 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET SILVERADO 2500 | 2012 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET SILVERADO 2500 | 2015, 2016 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET SILVERADO 2500 | 2018, 2019 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET SILVERADO 3500 | 2013 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET SILVERADO 4500 | 2019 (the catalog's model; the bulletin names a series or trim of it) |
| GMC SIERRA | 2017 |
| GMC SIERRA 1500 | 2007, 2008, 2009, 2010 (the catalog's model; the bulletin names a series or trim of it) |
| GMC SIERRA 1500 | 2014, 2015, 2016 (the catalog's model; the bulletin names a series or trim of it) |
| GMC SIERRA 2500 | 2012 (the catalog's model; the bulletin names a series or trim of it) |
| GMC SIERRA 3500 | 2011 (the catalog's model; the bulletin names a series or trim of it) |
| GMC SIERRA 3500 | 2013 (the catalog's model; the bulletin names a series or trim of it) |
| GMC SIERRA 3500 | 2018 (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.
| 25-NA-156 | 2025-12-04. Service bulletin. This service bulletin provides information on Tire Sidewall Irregularities. |
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| 08-03-10-006I | 2025-04-15. Service bulletin. This service bulletin provides a procedure on how to clean and resurface aluminum wheel bead seats for vehicles that have the condition of Tire Slowly Goes Flat, Tire Air Loss, Low Tire Pressure Warning Light Illuminated, Aluminum Wheel Bead Seat Corrosion. |
| 05-03-07-009L | 2025-03-08. Service bulletin. This service bulletin provides information on Wheel Alignment Specifications, Requirements and Recommendations for GM Vehicles. |
| 21-NA-043 | 2025-02-12. Service bulletin. This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer. |
| 25-NA-019 | 2025-02-11. Service bulletin. This bulletin advises the tech to check other areas that may need repair before replacing the wheel speed sensor. |
| 21-NA-043 | 2024-12-10. Service bulletin. This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer. |
| 21-NA-270 | 2024-11-09. Service bulletin. This informational bulletin provides information for dealers/technicians on Vibration Caused by Tires. |
| 24-NA-185 | 2024-10-22. Service bulletin. This informational bulletin provides information on Steering Bump or Clunk Noise on Rough Roads or Potholes. |
| PIT5894C | 2024-09-06. Service bulletin. This Preliminary information communicates Some customers may comment on a vibration while driving. The cause of the condition may be that the wheel and tire assemblies require Road Force balance. Please open a Tac case and provide the following information. Check the valve stems are they pointing at each other (lined up)? What wheels is the vehicle equipped with steel or Aluminum? What brand are the tires goodyear or Continental’s? Then follow bulletin 21-NA-270 for repair information |
| 00-03-10-002M | 2024-08-13. Service bulletin. This service bulletin provides information on Chemical Staining, Pitting, Corrosion and/or Spotted Appearance of Chromed Aluminum Wheels. |