# Service bulletin 18NA150 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: 10212608 - Published by NHTSA: 2022\-05\-31 - Manufacturer's number: 18NA150 - Manufacturer's date: 2022\-01\-07 - NHTSA component: ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION ## NHTSA's summary This informational bulletin provides information on 6.6L Duramax Possible Oil Leak Path Information. ## The document - [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2022/MC-10212608-0001.pdf) - [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2022/MC-10212608-9999.pdf) The document is the manufacturer's. This site does not hold it. ## Components Engine, Engine oil and lubrication ## Vehicles listed - 2022 CHEVROLET 3500 - 2022 CHEVROLET 4500 - 2022 CHEVROLET 4500HD - 2022 CHEVROLET 4500XD - 2022 CHEVROLET 5500HD - 2022 CHEVROLET 5500XD - 2022 CHEVROLET 6500HD - 2022 CHEVROLET 6500XD - 2022 CHEVROLET 7500XD - 2022 CHEVROLET BLAZER - 2022 CHEVROLET BOLT EUV - 2022 CHEVROLET BOLT EV - 2022 CHEVROLET CAMARO - 2022 CHEVROLET COLORADO - 2022 CHEVROLET CORVETTE - 2022 CHEVROLET EQUINOX - 2022 CHEVROLET MALIBU - 2017 to 2019 CHEVROLET SILVERADO 1500 - 2021 to 2022 CHEVROLET SILVERADO 1500 - 2017 to 2022 CHEVROLET SILVERADO 2500 - 2022 CHEVROLET SILVERADO 3500 - 2022 CHEVROLET SILVERADO 4500 - 2019 CHEVROLET SILVERADO 5500 - 2022 CHEVROLET SILVERADO 6500 - 2022 CHEVROLET SPARK - 2022 CHEVROLET SUBURBAN - 2022 CHEVROLET SUBURBAN 1500 - 2022 CHEVROLET TAHOE - 2022 CHEVROLET TRAILBLAZER - 2022 CHEVROLET TRAVERSE - 2022 CHEVROLET TRAX - 2022 GMC ACADIA - 2022 GMC BRIGHTDROP EV600 - 2022 GMC CANYON - 2022 GMC HUMMER EV PICKUP - 2022 GMC SAVANA - 2019 GMC SIERRA 1500 - 2021 to 2022 GMC SIERRA 1500 - 2017 to 2022 GMC SIERRA 2500 - 2022 GMC SIERRA 3500 - 2017 to 2018 GMC SIERRA DENALI - 2022 GMC TERRAIN - 2022 GMC TERRAIN NA - 2022 GMC YUKON - 2022 GMC YUKON XL ## Other bulletins for the same vehicles and component - [PIP5938](/bulletins/10242307.md), 2023-09-18, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION. This Preliminary information communicates information regarding normal debris that could be found in the engine oil or engine oil pan during service generated by the wet belt system wear in. - [22\-NA\-232](/bulletins/10239046.md), 2023-07-11, Service bulletin: POWER TRAIN; ENGINE AND ENGINE COOLING; ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION:PUMP. This informational bulletin advises the technician of a possibly noise coming from the transmission oil pump. - [19\-NA\-218](/bulletins/10231365.md), 2023-02-07, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION; ENGINE AND ENGINE COOLING. This service bulletin provides a service procedure to correct a condition of a Ticking Noise from the Engine. - [PIE0651A](/bulletins/10215771.md), 2022-07-18, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION:FILTER/SCREEN; UNKNOWN OR OTHER. Engineering Information. - [22NA009](/bulletins/10212625.md), 2022-05-31, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION:FILTER/SCREEN. This service bulletin provides service information on new torque specification and installation procedure for ACDelco Spin\-On Oil Filters. - [17NA114](/bulletins/10212595.md), 2022-05-31, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION:SEALS/GASKETS. This technical bulletin provides a procedure to Tighten the Charge Air Cooler Duct Clamp to correct a condition of an oil leak originating from either the inlet or outlet duct of the turbocharger due to the charge air cooler pipe clamp not being tightened properly. - [16NA222](/bulletins/10212588.md), 2022-05-31, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION:FILTER/SCREEN; UNKNOWN OR OTHER. This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper service or aftermarket calibrations. - [16NA206](/bulletins/10212587.md), 2022-05-31, Service bulletin: LANE DEPARTURE; ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION:PRESSURE/TEMPERATURE SENSOR; BACK OVER PREVENTION. This service bulletin provides service information on a New Way to Look at NOx Sensor Readings and Exhaust Temperature During a DPF Regeneration or a Reductant System Malfunction Warning Service Bay Test. - [PIT5668D](/bulletins/10208033.md), 2022-02-14, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION:PRESSURE/TEMPERATURE SENSOR. This preliminary information is to clarify a normal fluctuation of the temperature gauge. - [PIE0651A](/bulletins/10205745.md), 2022-01-03, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION. This engineering information \(EI\) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to oil drops on the ground where their vehicle was parked that came from the underneath of the front of vehicle \(New Vehicle, before first oil change Only\). JSON: [/v1/bulletins/10212608](/v1/bulletins/10212608) [Report an error on this page](https://github.com/wenmar-pro/wenmar-open/issues/new?template=data_correction.yml&title=Data%20correction%3A%20Service%20bulletin%2018NA150&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F10212608&vehicle=Service%20bulletin%2018NA150)