Service bulletin 18NA073
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 | 10172784 |
| Published by NHTSA | 2020-03-30 |
| Manufacturer's number | 18NA073 |
| Manufacturer's date | 2020-02-07 |
| NHTSA component | EQUIPMENT; ENGINE |
NHTSA's summary
This Bulletin provides graphics, information and guidelines for engine component wear to assist service personnel as a guideline to perform necessary engine repairs and prevent unnecessary engine replacement.
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
Engine, Equipment and accessories
| BUICK CASCADA | 2016, 2017, 2018, 2019 |
|---|---|
| BUICK ENCLAVE | 2015, 2016, 2017, 2018, 2019, 2020 |
| BUICK ENCORE | 2015, 2016, 2017, 2018, 2019, 2020 |
| BUICK ENVISION | 2016, 2017, 2018, 2019, 2020 |
| BUICK LACROSSE | 2015, 2016, 2017, 2018, 2019 |
| BUICK REGAL | 2015, 2016, 2017, 2018, 2019, 2020 |
| BUICK VERANO | 2015, 2016, 2017 |
| CADILLAC ATS | 2015, 2016, 2017, 2018, 2019 |
| CADILLAC CT4 | 2020 |
| CADILLAC CT5 | 2020 |
| CADILLAC CT6 | 2016, 2017, 2018, 2019, 2020 |
| CADILLAC CTS | 2015, 2016, 2017, 2018, 2019 |
| CADILLAC ELR | 2015, 2016, 2017 |
| 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 SRX | 2015, 2016 |
| CADILLAC XT4 | 2019, 2020 |
| CADILLAC XT5 | 2017, 2018, 2019, 2020 |
| CADILLAC XT6 | 2020 |
| CADILLAC XTS | 2015, 2016, 2017, 2018, 2019 |
| CHEVROLET 3500 | 2016 |
| CHEVROLET 3500 | 2018 to 2019 |
| CHEVROLET 3500 | 2020 |
| CHEVROLET 4500HD | 2018, 2019, 2020 |
| CHEVROLET 5500HD | 2018, 2019, 2020 |
| CHEVROLET 6500 | 2019 |
| CHEVROLET AVEO | 2015, 2016, 2017, 2018 |
| CHEVROLET BLAZER | 2019, 2020 |
| CHEVROLET BOLT EV | 2017, 2018, 2019, 2020 |
| CHEVROLET CAMARO | 2015, 2016, 2017, 2018, 2019, 2020 |
| CHEVROLET CAPRICE | 2015 to 2017 |
| CHEVROLET CAPTIVA | 2015 to 2018 |
| CHEVROLET CHEVEROLET SS | 2015 to 2017 |
| CHEVROLET CHEYENNE | 2017 |
| CHEVROLET CITY EXPRESS | 2015, 2016 |
| CHEVROLET COLORADO | 2015, 2016, 2017, 2018, 2019, 2020 |
| CHEVROLET CORVETTE | 2015, 2016, 2017, 2018, 2019 |
| CHEVROLET CRUZE | 2015, 2016, 2017, 2018, 2019 |
| CHEVROLET EQUINOX | 2015, 2016, 2017, 2018, 2019, 2020 |
| CHEVROLET EXPRESS | 2015, 2016, 2017, 2018, 2019, 2020 |
| CHEVROLET IMPALA | 2015, 2016, 2017, 2018, 2019, 2020 |
| CHEVROLET MALIBU | 2015, 2016, 2017, 2018, 2019, 2020 |
| CHEVROLET N300 | 2015 to 2016 |
| CHEVROLET N300 | 2018 |
| CHEVROLET N300 MAX | 2017 |
| CHEVROLET ORLANDO | 2017 |
| CHEVROLET S10 | 2016 to 2018 |
| CHEVROLET SILVERADO | 2017 |
| CHEVROLET SILVERADO 1500 | 2015, 2016, 2017, 2018, 2019, 2020 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET SILVERADO 2500 | 2015, 2016, 2017, 2018, 2019, 2020 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET SILVERADO 3500 | 2015, 2016, 2017, 2018, 2019, 2020 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET SILVERADO 4500 | 2019, 2020 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET SILVERADO 5500 | 2020 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET SILVERADO 6500 | 2019 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET SONIC | 2015, 2016, 2017, 2018, 2019, 2020 |
| CHEVROLET SPARK | 2015, 2016, 2017, 2018, 2019, 2020 |
| CHEVROLET SPARK EV | 2015, 2016, 2017 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET SUBURBAN | 2015, 2016, 2017, 2018, 2019, 2020 |
| CHEVROLET TAHOE | 2015, 2016, 2017, 2018, 2019, 2020 |
| CHEVROLET TRAILBLAZER | 2017 to 2019 |
| CHEVROLET TRAVERSE | 2015, 2016, 2017, 2018, 2019, 2020 |
| CHEVROLET TRAX | 2015, 2016, 2017, 2018, 2019, 2020 |
| CHEVROLET VOLT | 2015, 2016, 2017, 2018, 2019 |
| CHEVROLET duplicate SILVERADO 5500 | 2019 |
| GMC ACADIA | 2015, 2016, 2017, 2018, 2019, 2020 |
| GMC CANYON | 2015, 2016, 2017, 2018, 2019, 2020 |
| GMC SAVANA | 2015, 2016, 2017, 2018, 2019, 2020 |
| GMC SIERRA | 2017 |
| GMC SIERRA 1500 | 2015, 2016, 2017, 2018, 2019, 2020 (the catalog's model; the bulletin names a series or trim of it) |
| GMC SIERRA 2500 | 2015, 2016 (the catalog's model; the bulletin names a series or trim of it) |
| GMC SIERRA 2500 | 2018, 2019, 2020 (the catalog's model; the bulletin names a series or trim of it) |
| GMC SIERRA 3500 | 2019, 2020 (the catalog's model; the bulletin names a series or trim of it) |
| GMC SIERRA DENALI | 2015, 2016 (the catalog's model; the bulletin names a series or trim of it) |
| GMC SIERRA DENALI | 2018, 2019 (the catalog's model; the bulletin names a series or trim of it) |
| GMC TERRAIN | 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.
| 2022160 | 2022-03-31. Accessories |
|---|---|
| 21V496000 | 2021-07-01. EQUIPMENT:ELECTRICAL:ENGINE BLOCK HEATER |
| 21V346000 | 2021-05-13. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM):SOFTWARE |
| 2020165 | 2020-04-16. Accessories |
| 2019494 | 2019-10-03. Accessories |
| 2019449 | 2019-09-06. Engine |
| 19V642000 | 2019-09-06. ENGINE; ELECTRICAL SYSTEM:SOFTWARE; FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:INJECTORS |
| 19V428000 | 2019-06-11. EQUIPMENT |
| 2019205 | 2019-04-26. Accessories |
| 19V328000 | 2019-04-25. ENGINE |
A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.
| N262576260 | 2026-10-15. Service campaign. General Motors has decided to conduct a Voluntary Emission Recall. Certain vehicles may have a condition that could cause a small exhaust leak at the catalytic converter inlet. Dealers are to replace the catalytic converter inlet clamp and to inspect the catalytic converter – replacing it if damage is observed. The repairs will be made at no charge to the customer. |
|---|---|
| N262548050 | 2026-04-24. Service bulletin. This message is to inform dealers that Special Coverage N262548050 is being temporarily suspended for the models above. Involved vehicles will be temporarily removed from IVH. Dealers will be notified when repairs can be resumed. We apologize for any inconvenience this situation may cause. |
| N262548050 | 2026-04-23. Service campaign. Certain vehicles, may have a condition that could cause the Catalytic Converter to fail. If this failure occurs, the Malfunction Indicator Light (Check Engine Light) will illuminate, and a diagnostic trouble code will set. Dealers are to replace the Catalytic Converter as necessary. The repairs will be made at no charge to the customer. |
| 00-06-01-026R | 2025-12-03. Service bulletin. This service bulletin provides information on replacing the intake manifold when the engine is replaced after severe internal engine damage. |
| 22-NA-007 | 2025-11-15. Service bulletin. This service bulletin provides procedures to correct customer concerns of Poor Engine Performance in Extremely Cold Weather Conditions, Charge Air Cooler (CAC) Icing - Malfunction Indicator Lamp (MIL) Illuminated with DTCs P0299, P0234, P0236, P2227, P00C7 Set. |
| 23-NA-170 | 2025-10-25. Service bulletin. This bulletin advises the tech to inspect deeper into what may be to main cause of an engine failure. |
| 23-NA-153 | 2025-10-25. Service bulletin. The service bulletin advises the tech of a normal transmission shift condition and the delay in throttle response when the throttle plate is opened rapidly and advises the customer that it is normal for the delay. |
| 24-NA-241 | 2025-10-16. Service bulletin. This informational bulletin advises the technician of a part number change for long block engines used in the trucks noted. |
| 22-NA-080 | 2025-10-16. Service bulletin. This technical bulletin provides a procedure to replace the camshaft actuator magnet to correct customer concerns of engine related shudder. |
| 15-NA-010 | 2025-07-07. Service bulletin. This service bulletin provides information to dealership personnel for new vehicles with less than 1,000 miles that may not pass California smog inspection or smog inspection in other states. |