2022 Isuzu NQR Oil Capacity & Filter Guide

The 2022 Isuzu NQR takes 10.6 quarts (10.0 liters) of 10W-30 or 5W-30 engine oil, depending on ambient temperature, that meets API CK-4 or JASO DH-2 specifications.

Quick Answer

• Oil Capacity: 10.6 quarts (10.0 liters)
• Recommended Oil Weight: 10W-30 (above 10°F), 5W-30 (below 10°F)
• Oil Specification: API CK-4 or JASO DH-2
• OEM Oil Filter Part Number: Isuzu 8-98270-524-0
• Aftermarket Oil Filter Cross-References:
  • Fram: CH11448
  • Wix: 57077
  • Mobil 1: M1C-152

Capacity by Engine Option

The 2022 Isuzu NQR is typically equipped with the 5.2L 4HK1-TC turbocharged diesel engine.

Oil Change Interval

Maintaining the correct oil change interval is crucial for the longevity of your 2022 Isuzu NQR's engine, especially for a commercial vehicle. Always refer to your owner's manual for the most accurate and up-to-date recommendations, as intervals can vary based on specific operating conditions and regional regulations.

• Normal Duty: For typical operation, Isuzu generally recommends an oil change every 10,000 miles or 12 months, whichever comes first.
• Severe Duty: If your NQR is frequently used for heavy hauling, stop-and-go driving, extensive idling, or in dusty conditions, it falls under severe duty. In such cases, an oil change is recommended every 5,000 miles or 6 months, whichever comes first.

Drain Plug Torque

The oil drain plug for the 2022 Isuzu NQR should be torqued to 33 lb-ft (45 Nm). It is highly recommended to replace the drain plug crush washer every time you perform an oil change to ensure a proper seal and prevent leaks. Consult your dealer for the correct crush washer part number.

How to Change the Oil

Changing the oil on your 2022 Isuzu NQR involves a few key steps. Always ensure the engine is warm but not hot, and use appropriate safety gear, including gloves and eye protection.

1. Preparation: Park the truck on a level surface, engage the parking brake, and safely chock the wheels. Gather your tools, new oil, oil filter, drain pan, and a torque wrench.
2. Drain Oil: Locate the oil drain plug on the oil pan. Position your drain pan underneath, then carefully remove the drain plug and allow all the old oil to drain completely. Inspect the old oil for any metal shavings or unusual consistency.
3. Replace Drain Plug: Once drained, reinstall the drain plug with a new crush washer and tighten it to 33 lb-ft (45 Nm).
4. Replace Oil Filter: Locate the oil filter. Place a small drain pan beneath it to catch any residual oil, then unscrew the old filter. Apply a thin film of new oil to the gasket of the new filter before screwing it on by hand until snug. Do not overtighten – typically, tighten until the gasket makes contact, then an additional 3/4 to 1 full turn.
5. Add New Oil: Remove the oil filler cap and carefully pour in approximately 10 quarts of the recommended oil. Start the engine and let it run for a few minutes to circulate the new oil and check for leaks. Shut off the engine, wait a few minutes for the oil to settle, and then check the dipstick. Add the remaining oil as needed to reach the "full" mark.
6. Reset Oil Life Monitor: Follow the procedure in your owner's manual to reset the oil life monitor.

Common Issues / Tips

• DPF System: The 4HK1-TC engine in the NQR utilizes a Diesel Particulate Filter (DPF) system. Using the correct API CK-4 or JASO DH-2 oil is absolutely critical for the longevity of the DPF. These low-ash oils prevent premature clogging of the DPF, which can lead to costly repairs and regeneration issues.
• Fuel Dilution: Diesel engines can be prone to fuel dilution, especially if the DPF regeneration cycles are interrupted. Regular oil analysis can help monitor for this issue and determine if shorter oil change intervals are necessary.
• Oil Filter Access: The oil filter on the NQR is generally accessible, but ensure you have the right filter wrench for easy removal and installation.
• Genuine Isuzu Parts: While aftermarket filters are available, many experienced technicians and owners prefer genuine Isuzu oil filters for their proven quality and fitment, especially in heavy-duty applications. Always ensure any aftermarket filter meets or exceeds OEM specifications.
• Temperature Considerations: Pay close attention to the recommended oil viscosity based on ambient temperatures. Using a 5W-30 in extremely cold conditions (below 10°F) will ensure better cold starting and lubrication compared to 10W-30.

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