Service bulletin 18NA315
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 | 10183158 |
| Published by NHTSA | 2020-11-30 |
| Manufacturer's number | 18NA315 |
| Manufacturer's date | 2020-10-21 |
| NHTSA component | SUSPENSION:REAR:SHOCK ABSORBER; SUSPENSION:FRONT:SHOCK ABSORBER |
NHTSA's summary
This informational bulletin advises the tech to only replace the shock that is bad and not all.
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, Shocks and struts
| CADILLAC ESCALADE | 2015, 2016, 2017, 2018, 2019, 2020 |
|---|---|
| CADILLAC ESCALADE ESV | 2015, 2016 (the catalog's model; the bulletin names a series or trim of it) |
| CADILLAC ESCALADE ESV | 2017, 2018, 2019, 2020 |
| CADILLAC XTS | 2015, 2016, 2017, 2018, 2019 |
| CHEVROLET SUBURBAN | 2015, 2016, 2017, 2018, 2019, 2020 |
| CHEVROLET TAHOE | 2015, 2016, 2017, 2018, 2019, 2020 |
| GMC YUKON | 2015, 2016, 2017, 2018, 2019, 2020 |
| GMC YUKON XL | 2015, 2016, 2017, 2018, 2019, 2020 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| 150089004B | 2021-04-16. Service bulletin. Information Regarding the Differences Between Fluid Leakage and Seepage This bulletin is intended to help identify the differences between what is considered a fluid leak and what is considered seepage. Improper diagnosis may lead to unnecessary component replacement. Use the following information to determine if the condition is normal acceptable seepage or a defective component |
|---|---|
| 150089004C | 2021-03-08. Service bulletin. This service bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage. |
| PIE0408A | 2018-06-11. Service bulletin. This engineering informational bulletin ends the need for information from the field on vehicles that have the condition of Rear Shock Absorber Leak and/or Noise. |
| PI1285A | 2018-05-21. Service bulletin. This preliminary informational bulletin provides information on Rear Shock Absorber Warranty Concerns and Diagnostic Tips. |
| 17-NA-125 | 2018-05-21. Service bulletin. This technical bulletin provides information for re-torqueing both (RH and LH) rear shock absorber bolts to eliminate a clunk noise from the rear suspension while driving over bumps. |
| PIE0421A | 2018-05-21. Service bulletin. This engineering informational bulletin is requesting information from the field on vehicles that have the condition of Noise Originating from Front Shock/Strut While Accelerating, Stopping, or Traveling Over Bumps. |
| PIT5049D | 2018-03-12. Service bulletin. This Preliminary Information communication provides information to the technician on the steps to help diagnose and repair vehicles with a rattle, squeak, clunk, thump, or bump. If published Service Information diagnostics do not lead to a repair for the concern. Technician should inspect the opposite side shock/strut for the cause of the concern. |
| PIT5287D | 2018-03-12. Service bulletin. This Preliminary Information communication provides information to the technician with the correct way to remove the front shock electrical connector terminals. Technician will need to slightly bend the end of the J-38125-12A release tool. There is a purple Terminal Position Assurance that will align itself in the release position when the release tool is inserted into the release hole. There is a metal locking tab on the terminal that will need to be pushed in before the terminal will pull out of the connector. |
| PIT5287 | 2017-08-15. Service bulletin. This Preliminary Information communication provides information to the technician with the correct way to remove the front shock electrical connector terminals. Technician will need to slightly bend the end of the J-38125-12A release tool. There is a purple Terminal Position Assurance that will align itself in the release position when the release tool is inserted into the release hole. There is a metal locking tab on the terminal that will need to be pushed in before the terminal will pull out of the connector. |
| 05-03-08-002H | 2017-08-15. Service bulletin. This informational bulletin provides information to dealership personnel on diagnosis and replacement of shock absorber and strut due to fluid leak. |