For the 2022 GMC Sierra 1500 Pickup equipped with the 3.0L 6-cylinder LM2 T Diesel Turbo engine, the required oil viscosity is 0W-20. The engine oil capacity is 7 quarts when performing a change with a new filter. AMSOIL recommends using AMSOIL 0W-20 100% Synthetic Diesel Oil and a WIX Oil Filter (WL10351-EA) for optimal protection.
What oil does a 2022 GMC Sierra 1500 3.0L Diesel take?
The 2022 GMC Sierra 1500 with the 3.0L LM2 T Diesel engine requires an oil viscosity of 0W-20 for all temperature ranges. The AMSOIL lookup oil grade is specified as SEOA5.
AMSOIL product recommendations
Based on the AMSOIL lookup data, the following products are recommended for your 2022 GMC Sierra 1500 3.0L Diesel:
| Component | Product Name | Part Code |
|---|---|---|
| Engine Oil | AMSOIL 0W-20 100% Synthetic Diesel Oil | DP020QT-EA |
| Oil Filter | WIX Oil Filter | WL10351-EA |
| Coolant | AMSOIL Passenger Car & Light Truck Antifreeze & Coolant | ANTPC1G-EA |
| Coolant (Concentrate) | AMSOIL Propylene Glycol Antifreeze and Engine Coolant | ANT1G-EA |
| Transmission Fluid | AMSOIL Signature Series ULV 100% Synthetic ATF | ULVPK-EA |
| Transfer Case | AMSOIL Signature Series Fuel-Efficient ATF | ATLPK-EA |
Note: Air filter and oil vapor filter recommendations are not available from the source data.
Engine Oil Specifications
| Viscosity | Oil Grade (AMSOIL Lookup) | Confirmed Spec |
|---|---|---|
| 0W-20 | SEOA5 | Not confirmed from source data |
Important Note: The AMSOIL lookup note states that vehicles equipped with diesel engines that originally used GM Dexos2 may use a GM Dexos D licensed engine oil of the appropriate viscosity grade.
Engine Oil Capacity
| Condition | Capacity |
|---|---|
| With Filter Change | 7 quarts |
Always check the oil level after refilling.
Engine Oil Service Details
| Component | Torque Specification |
|---|---|
| Oil Drain Plug | 18 ft/lbs |
Maintenance Tip: Always replace the drain plug seal when performing an oil change.
Automatic Transmission Fluid (ATF) Specifications
The 2022 GMC Sierra 1500 uses specific ULV (Ultra Low Viscosity) fluids for its 10-speed transmissions. The AMSOIL lookup note references the WSS-M2C949-A specification, which was developed by Ford and GM; products meeting this are available under DEXRON ULV and MERCON ULV tradenames.
Transmission Capacity Guide
| Transmission Type | Condition | Total Fill |
|---|---|---|
| 10L80/MQC | With Cooler | 12 quarts |
| 10L80/MQC | Trans Only | 11.6 quarts |
| 10L80/MHS | With Cooler | 12 quarts |
| 10L80/MHS | Trans Only | 11.6 quarts |
| 10L80/MQB | With Cooler | 12 quarts |
| 10L80/MQB | Trans Only | 11.6 quarts |
Initial Fill Note: For these applications, the initial fill is 8.1 quarts.
Transfer Case Lubricant
For vehicles requiring transfer case service (MP3015, 25….AF6), follow these specifications:
| Component | Capacity | Torque |
|---|---|---|
| Transfer Case | 3.2 pints | 15 ft/lbs (Drain & Fill) |
Maintenance Tip: Apply high-performance thread sealant to the threads of the drain and fill plugs before installing.
Coolant Specifications
The cooling system requires a capacity of 20.5 quarts. AMSOIL offers two primary options for this application:
- AMSOIL Passenger Car & Light Truck Antifreeze & Coolant: An ethylene glycol 50/50 pre-mix formulation.
- AMSOIL Propylene Glycol Antifreeze and Engine Coolant: A concentrated formula that requires mixing with distilled or high-quality water.
Both products are phosphate-, nitrate-, nitrite-, silicate-, borate-, and amine-free.
Common diesel oil-related concerns and how AMSOIL products may help
| Concern | Why it matters | AMSOIL product | How it may help | Limitation |
|---|---|---|---|---|
| Turbocharger Wear | High speeds and heat can degrade lubrication. | DP020QT-EA | May help protect via viscosity retention. | Requires regular intervals. |
| Extreme Temperatures | Cold starts or high heat can stress the engine. | DP020QT-EA | Excels in hot and cold extremes. | Not a mechanical repair. |
| Engine Wear | Diesel combustion creates high friction environments. | WL10351-EA | Helps reduce engine wear. | Depends on oil quality. |
Diesel maintenance notes for this vehicle
Owners of the 3.0L LM2 Duramax diesel should prioritize specialized requirements that differ from gasoline engines:
- Filtration: Adhere to specific intervals for diesel-specific oil filtration to protect the turbocharger and fuel system.
- Thermal Management: Monitor the cooling system closely, as diesel engines often operate under different thermal loads than gasoline counterparts.
- Fuel Quality: Monitoring fuel quality is essential for high-pressure common rail systems.
Common maintenance concerns for this vehicle
Based on owner reports and research, owners should consider the following:
- Electrical/Software: Some users have reported issues with screens going black or daytime running lights (DRLs) not deactivating correctly.
- Transmission Performance: There are reports of hard shifting or difficulty entering reverse; these should be inspected by a professional.
- Telematics: Potential failures in the Telematics Control Module may affect OnStar services.
Recall, TSB, and manufacturer communication notes
NHTSA research indicates several recall campaigns for the 2022 GMC Sierra 1500:
- Brake Lights: Certain models with an accessory sport bar may have inoperative high-mounted brake lights.
- Lighting Control Module: A software update may be required to ensure DRLs deactivate when headlights are on.
Disclaimer: Always verify open recalls by using your specific VIN through official GM or NHTSA channels.
About this vehicle
The 2022 GMC Sierra 1500 represents a modern iteration of General Motors’ full-size pickup truck lineage. This specific model features the 3.0L LM2 T Diesel Turbo engine, part of the Duramax diesel family. As a diesel-equipped light-duty pickup, this vehicle is typically utilized for tasks requiring high torque efficiency, such as towing, hauling, or long-distance cruising.
The Sierra shares significant mechanical commonality with the Chevrolet Silverado and belongs to a broader GM ecosystem that includes models like the Chevrolet Suburban and GMC Yukon. Because diesel engines operate under different thermal loads and combustion characteristics than standard V8 gasoline variants, maintenance research often focuses on specialized requirements such as fuel filter replacement intervals to prevent contamination in high-pressure systems and maintaining turbocharger health through proper lubrication.
Owners should note that while this vehicle is part of a highly successful lineage, specific technical details regarding performance output should always be verified against the official owner’s manual or GM service documentation.
Common questions about this vehicle’s diesel oil and maintenance
How much oil does my 3.0L LM2 Diesel take?
The capacity is 7 quarts when replacing the filter. Always check the level after refilling.
What viscosity should I use for the 2022 Sierra 1500 Diesel?
The recommended viscosity is 0W-20 for all temperature ranges.
Can I use Dexos2 oil in my diesel engine?
The AMSOIL lookup note states that vehicles originally using GM Dexos2 may use a GM Dexos D licensed engine oil of the appropriate viscosity grade.
What is the torque for the oil drain plug?
The oil drain plug should be torqued to 18 ft/lbs. Remember to replace the seal.
Does AMSOIL offer a complete oil change kit for this truck?
Yes, an oil change kit is available including AMSOIL 0W-20 100% Synthetic Diesel Oil and a WIX Oil Filter (WL10351-EA).
How do I verify if my vehicle has an open recall?
You should contact a GM dealer or use the NHTSA website to check for open recalls using your specific Vehicle Identification Number (VIN).
Disclaimer: All technical specifications, including capacities and torque values, are sourced from provided manufacturer/retailer data. Always verify with your vehicle’s owner manual or a certified technician before performing maintenance.