2021 Volvo VNR Oil Capacity & Filter

The 2021 Volvo VNR requires 38 quarts (36 liters) of API FA-4 10W-30 or 15W-40 engine oil for vehicles equipped with the D11 engine, and 42 quarts (39.7 liters) of API FA-4 10W-30 or 15W-40 engine oil for vehicles with the D13 engine.

Quick answer

For D11 Engine:

• Oil Capacity: 38 quarts (36 liters)
• Recommended Weight: 10W-30 or 15W-40
• Oil Spec: API FA-4
• OEM Oil Filter Part Number: Consult dealer
• Aftermarket Oil Filter Cross-References:
  • Fram: Consult dealer
  • Wix: Consult dealer
  • Mobil 1: Consult dealer

For D13 Engine:

• Oil Capacity: 42 quarts (39.7 liters)
• Recommended Weight: 10W-30 or 15W-40
• Oil Spec: API FA-4
• OEM Oil Filter Part Number: Consult dealer
• Aftermarket Oil Filter Cross-References:
  • Fram: Consult dealer
  • Wix: Consult dealer
  • Mobil 1: Consult dealer

Capacity by engine option

Oil change interval

Volvo recommends varying oil change intervals for the 2021 VNR based on duty cycle and oil analysis.

• Normal Duty: Typically, intervals can range from 30,000 to 50,000 miles (48,000 to 80,000 km) or 500-800 operating hours when using approved API FA-4 oils and conducting regular oil analysis.
• Severe Duty: For vehicles operating under severe conditions (e.g., frequent idling, heavy loads, extreme temperatures, dusty environments), oil change intervals should be shortened. Consult your Volvo owner's manual or a Volvo dealer for precise severe-duty recommendations, which may be as frequent as 20,000 miles (32,000 km) or 300-500 operating hours. Oil analysis is crucial for determining optimal severe-duty intervals.

Drain plug torque

The drain plug torque specification for the 2021 Volvo VNR (D11 and D13 engines) is typically 60 Nm (44 lb-ft). Always use a new crush washer or seal every time you change the oil to prevent leaks. Consult your vehicle's service manual for the most accurate and up-to-date specification.

How to change the oil

Changing the oil on a Volvo VNR requires specific tools and a large capacity drain pan due to the significant oil volume.

1. Preparation: Ensure the engine is at operating temperature, then shut it off. Gather your new oil, filter, drain pan(s), wrench for the drain plug, filter wrench, and a new crush washer.
2. Drain Oil: Place a suitable drain pan under the oil pan. Remove the drain plug and allow all the old oil to drain completely. This can take some time due to the volume.
3. Replace Drain Plug: Once drained, reinstall the drain plug with a new crush washer and torque to the specified value.
4. Remove Oil Filter: Locate the oil filter(s). Use a filter wrench to remove the old filter(s). Be prepared for some oil spillage.
5. Install New Oil Filter: Apply a thin coat of new oil to the gasket of the new filter(s). Spin the new filter(s) on by hand until snug, then tighten an additional 3/4 to 1 full turn (or according to filter manufacturer specifications). Do not overtighten.
6. Add New Oil: Remove the oil fill cap and add the specified amount and type of new engine oil. It's advisable to add slightly less than the full capacity initially, then check the dipstick.
7. Check Level: Start the engine and let it run for a few minutes to circulate the new oil. Shut it off, wait several minutes for the oil to settle, then check the oil level on the dipstick. Add more oil if necessary to reach the "full" mark.
8. Inspect for Leaks: Visually inspect the drain plug and oil filter areas for any leaks.
9. Reset Maintenance Light: Reset the oil change indicator on the instrument cluster according to your Volvo's owner's manual.

Common issues / tips

• API FA-4 Oil: The 2021 Volvo VNR typically specifies API FA-4 engine oil. This is a lower viscosity, fuel-efficient oil designed for certain modern heavy-duty diesel engines. Do not use API CK-4 or older specifications unless specifically approved by Volvo, as it may not meet the engine's requirements. Using the wrong oil can lead to engine damage and void warranties.
• Oil Analysis: For fleet operators or owner-operators, regular oil analysis is highly recommended. It provides valuable insights into engine health, contamination levels, and helps optimize oil change intervals, potentially extending them safely.
• Filter Quality: Given the expense and importance of heavy-duty engine components, always use high-quality, reputable brand oil filters that meet or exceed OEM specifications. Inferior filters can compromise filtration and engine longevity.
• Environmental Disposal: Due to the large volume of used oil, ensure you have appropriate containment and a plan for environmentally responsible disposal. Many auto parts stores or truck stops offer recycling services.

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