Service bulletin PIT5477
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 | 10115094 |
| Published by NHTSA | 2017-08-15 |
| Manufacturer's number | PIT5477 |
| Manufacturer's date | 2015-11-04 |
| NHTSA component | SUSPENSION |
NHTSA's summary
This Preliminary Information communication provides information to the technician about vehicles that may have a squeak, clunk, or knock type noise from the front suspension when hitting bumps. Technician should use published Service Information diagnostics. If the source of the noise has been pinpointed to either the left or right front strut, and if the strut has not been previously disassembled technician will need to contact the General Motors Technical Assistance Center for more information.
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
Suspension
| CADILLAC ESCALADE | 2015, 2016 |
|---|---|
| CADILLAC ESCALADE ESV | 2015, 2016 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET SUBURBAN | 2015, 2016 |
| CHEVROLET TAHOE | 2015, 2016 |
| GMC YUKON | 2015, 2016 |
| GMC YUKON XL | 2015, 2016 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| 2016190 | 2016-04-28. Suspension |
|---|---|
| 16V256000 | 2016-04-28. SUSPENSION:FRONT:CONTROL ARM |
A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.
| PI0281L | 2025-06-12. Service bulletin. This preliminary informational (PI) bulletin provides information to dealership personnel that may be helpful when addressing underbody component corrosion with customers. |
|---|---|
| 18-NA-315 | 2025-05-01. Service bulletin. This service bulletin advises the tech to only replace the shock that is bad and not all shocks. |
| 05-03-07-009L | 2025-03-08. Service bulletin. This service bulletin provides information on Wheel Alignment Specifications, Requirements and Recommendations for GM Vehicles. |
| 05-03-08-002J | 2024-09-20. Service bulletin. This service bulletin provides information to dealership personnel on diagnosis and replacement of shock absorber and strut due to fluid leak. |
| 05-03-08-002J | 2024-09-20. Service bulletin. This service bulletin provides information to dealership personnel on diagnosis and replacement of shock absorber and strut due to fluid leak. |
| 15-00-89-004G | 2024-05-15. Service bulletin. This service bulletin provides technicians with information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage. |
| PIT5287A | 2024-01-08. Service bulletin. Front Shock Electrical Connector Terminal Removal. |
| PIT5214F | 2023-12-18. Service bulletin. This Preliminary Information communication provides information to the technician about vehicles that have had multiple repair attempts that are being performed on customer?s vehicles that exhibit vibration conditions without utilizing the support of General Motors Technical Assistance Center. If valid vibration frequency or Road Force Variation data has been collected and a repair attempt does not correct the customer complaint, contact General Motors Technical Assistance Center for further support. For any vehicles that remains unrepaired after being at the dealer for three days or more and a related bulletin or PI is not found, contact General Motors Technical Assistance Center for further support. |
| 15NA082B | 2023-12-11. Service bulletin. Clunking Noise from Front of Vehicle During Turns and/or Bumps |
| 15NA082 | 2023-12-11. Service bulletin. Clunking Noise from Front of Vehicle During Turns and/or Bumps |