2023 Chevrolet Tahoe Oil Capacity & Filter Guide

Your 2023 Chevrolet Tahoe takes between 6.0 to 8.0 quarts of oil, depending on the engine.

Quick Answer

• 6.2L L87 EcoTec3 V8: 8.0 quarts (7.6 liters) of SAE 0W-20 Dexos1 Gen3 full synthetic oil.
  • Oil Filter: OEM ACDelco PF63, Fram XG12060, Wix 57045, Mobil 1 M1-113A
• 5.3L L84 EcoTec3 V8: 8.0 quarts (7.6 liters) of SAE 0W-20 Dexos1 Gen3 full synthetic oil.
  • Oil Filter: OEM ACDelco PF63, Fram XG12060, Wix 57045, Mobil 1 M1-113A
• 3.0L LM2 Duramax Diesel: 6.0 quarts (5.7 liters) of SAE 0W-20 DexosD full synthetic diesel oil.
  • Oil Filter: OEM ACDelco PF2232, Fram CH12920, Wix WL10010, Mobil 1 M1-1001

Capacity by Engine Option

Oil Change Interval

For most modern vehicles, including the 2023 Chevrolet Tahoe, the oil change interval is largely determined by the vehicle's Oil Life Monitoring (OLM) system. This system takes into account various factors such as engine revolutions, engine temperature, and driving conditions to calculate when an oil change is due. Typically, under normal driving conditions, the OLM will recommend an oil change around 7,500 to 10,000 miles or 12 months, whichever comes first. Always refer to your vehicle's owner's manual for the most accurate and up-to-date information regarding oil change intervals.

Severe Duty Conditions: If your Tahoe is frequently subjected to severe driving conditions, such as towing heavy loads, extensive idling, frequent short trips, or driving in extremely hot or cold temperatures, the OLM will reduce the oil change interval. In such cases, it is common to see recommendations for oil changes closer to the 3,000 to 5,000 mile range. Pay close attention to the OLM and perform oil changes when indicated, regardless of mileage, to ensure optimal engine health and longevity.

Drain Plug Torque

• 6.2L L87 EcoTec3 V8 and 5.3L L84 EcoTec3 V8: 18 lb-ft (24 Nm)
• 3.0L LM2 Duramax Diesel: 21 lb-ft (28 Nm)

Always replace the drain plug crush washer with a new one during every oil change to prevent leaks. Consult your owner's manual for specific recommendations on crush washer type and torque values.

How to Change the Oil

1. Warm up the Engine: Drive the vehicle for a few minutes to bring the engine oil to operating temperature, which helps the oil drain more completely.
2. Lift and Secure: Safely lift the front of the Tahoe using a jack and secure it with jack stands. Alternatively, drive onto ramps. Ensure the vehicle is level.
3. Locate Drain Plug: Place an oil drain pan beneath the engine oil pan. Locate the oil drain plug.
4. Drain Oil: Carefully remove the drain plug, allowing the old oil to drain completely into the pan. Be cautious, as the oil will be hot.
5. Replace Filter: While the oil drains, locate and remove the old oil filter. Apply a thin coat of new oil to the gasket of the new filter before installing it. Hand-tighten the new filter until snug, then turn an additional 3/4 to 1 full turn.
6. Reinstall Drain Plug: Once all the oil has drained, clean the drain plug and its mating surface. Install a new crush washer on the drain plug and reinstall it, tightening it to the specified torque.
7. Add New Oil: Lower the vehicle. Locate the oil fill cap on top of the engine and remove it. Carefully pour in the recommended amount and type of new engine oil using a funnel.
8. Check Level: Start the engine and let it run for a minute or two to circulate the new oil. Turn off the engine and wait a few minutes for the oil to settle. Check the oil level on the dipstick and top off if necessary.
9. Reset Oil Life Monitor: Follow the instructions in your owner's manual to reset the Oil Life Monitoring system.

Common Issues / Tips for This Generation

• Oil Consumption (V8 Engines): Some owners of GM's EcoTec3 V8 engines (5.3L and 6.2L) have reported oil consumption issues. Regularly check your oil level between changes and top off as needed. Use the recommended Dexos1 Gen3 oil, as it helps reduce deposits that can contribute to oil consumption.
• Active Fuel Management (AFM)/Dynamic Fuel Management (DFM) Lifter Issues: While not directly related to oil capacity, proper oil maintenance is critical for longevity of the AFM/DFM system. The sophisticated valvetrain in these engines relies heavily on clean, appropriately specified oil. Neglecting oil changes or using incorrect oil can exacerbate lifter wear. Consider using a quality brand of Dexos1 Gen3 oil.
• Oil Pressure Sensor: Keep an eye on your oil pressure gauge. While not a widespread issue, some sensors can fail, leading to inaccurate readings. If you suspect an issue, have it diagnosed promptly.
• Diesel Particulate Filter (DPF) for Duramax: For 3.0L Duramax owners, it's crucial to use only DexosD oil. This oil is specially formulated for diesel engines with DPF systems, designed to produce less ash and prevent premature clogging of the DPF.

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