Changing the engine oil and oil filter on a Nissan or Infiniti 3.5L V6 is a straightforward DIY maintenance job when you have the correct oil, replacement filter, basic hand tools, and safe access to the underside of the vehicle. The process involves draining the used engine oil, replacing the oil filter, reinstalling the drain plug correctly, adding fresh oil, and checking the final oil level and potential leaks.
The exact requirements are not identical across every Nissan and Infiniti equipped with a 3.5L V6. Vehicles within this group can use different VQ35 engine variants, including the VQ35DE and VQ35HR, while specifications can also vary by model and model year. For this reason, confirm your vehicle’s engine, recommended oil viscosity, oil capacity, compatible filter, and applicable tightening specifications before starting the oil change.
This DIY guide covers the complete Nissan and Infiniti 3.5L V6 oil change process, from identifying the correct oil and filter to preparing the vehicle, draining the old oil, installing the new filter, refilling the engine, and verifying the oil level. It also explains the final checks that help prevent common problems such as oil leaks, incorrect oil levels, and improperly installed filters.
Which Nissan and Infiniti 3.5L V6 Engines Does This Oil Change Guide Cover?
This oil change guide covers Nissan and Infiniti vehicles equipped with a 3.5-liter V6 from the VQ35 engine family, primarily the VQ35DE and VQ35HR. These engines share the same basic displacement and V6 configuration, but they should not be treated as identical when selecting engine oil, determining oil capacity, choosing an oil filter, or applying service specifications.
The VQ35DE is an earlier member of Nissan’s VQ engine family and was installed across multiple Nissan and Infiniti applications. The VQ35HR is a later development of the 3.5L V6 and differs from the VQ35DE in several mechanical details. These differences mean that identifying a vehicle only as a “Nissan 3.5L V6” or “Infiniti 3.5L V6” is not sufficient for every part of an oil change.
Confirm the engine variant, vehicle model, and model year before purchasing maintenance parts. The engine code can be identified through vehicle documentation, service information, or other vehicle-specific identification sources. This verification is especially important when checking oil capacity, oil viscosity, filter compatibility, drain-plug specifications, and other values that can differ between applications.
The practical oil-change sequence remains similar across these engines: access the drain plug and oil filter, drain the used oil, replace the filter, reinstall the drain plug, refill the crankcase, and verify the final oil level. Vehicle-specific specifications should take priority whenever they differ from general VQ35 oil-change instructions.
What Engine Oil Does a Nissan or Infiniti 3.5L V6 Need?
A Nissan or Infiniti 3.5L V6 needs engine oil that meets the viscosity and performance specification listed for its specific engine, model, and model year. Do not select oil based only on the 3.5L displacement because VQ35 applications span different vehicles and production years.
Oil viscosity describes how readily the lubricant flows at different temperatures. A viscosity grade must provide sufficient flow during a cold start while maintaining an adequate lubricating film as the engine reaches operating temperature. Using the specified viscosity therefore supports lubrication at startup and protection of moving engine components under normal operating conditions.
Oil performance specification is also important. Two bottles carrying the same viscosity grade are not necessarily equivalent for every application if they meet different performance standards. Check the vehicle owner’s manual or applicable Nissan/Infiniti service information and match both the required viscosity and oil standard when selecting replacement oil.
Synthetic oil can be used when it meets the requirements specified for the vehicle. The deciding factor is not simply whether the bottle says “synthetic,” but whether the lubricant has the correct viscosity and required performance specification for that particular Nissan or Infiniti application. Vehicle-specific service information should remain the primary reference when the requirements differ by model year.
How Much Oil Does a Nissan or Infiniti 3.5L V6 Take?
The correct oil capacity for a Nissan or Infiniti 3.5L V6 depends on the engine variant, vehicle model, model year, and whether the oil filter is replaced. Do not assume that every VQ35-powered vehicle requires the same amount of oil simply because each engine has a 3.5-liter displacement.
Use the oil capacity specified in the owner’s manual or applicable service information as the starting quantity. When performing a complete oil and filter change, use the capacity listed for an oil change with filter replacement. The specified capacity provides a reference for refilling the engine, but the final oil level should still be verified with the dipstick after the engine has been filled and the oil has circulated.
Avoid pouring the entire expected capacity into the engine without checking the level. Add most of the specified quantity first, run the engine as required to circulate oil through the new filter, shut the engine off, allow the oil to settle, and check the dipstick on level ground. Add small amounts until the level reaches the specified range. This method reduces the risk of overfilling when residual oil remains inside the engine.
Oil capacity and engine displacement describe different measurements. The 3.5L designation refers to engine displacement, not the amount of engine oil required. Always use the oil capacity specified for the exact vehicle rather than treating “3.5L” as the crankcase capacity.
What Oil Filter Does a Nissan or Infiniti 3.5L V6 Use?
A Nissan or Infiniti 3.5L V6 requires an oil filter that is compatible with the specific engine, vehicle model, and model year. Verify compatibility using the vehicle information rather than choosing a filter solely because it is advertised for a Nissan or Infiniti V6.
An oil filter removes contaminants from the engine oil as lubricant circulates through the lubrication system. A correctly matched filter must fit the mounting location and provide the appropriate sealing interface. Using an incompatible filter can create fitment or sealing problems even when the filter appears physically similar to the original part.
An OEM Nissan or Infiniti filter can be selected by matching the appropriate part number to the vehicle. An aftermarket filter is also an option when its manufacturer specifically lists the filter as compatible with the exact application. Before installation, compare the replacement filter with the removed filter and inspect its sealing gasket for damage or defects.
Pay particular attention to the old filter gasket during removal. The gasket should come off with the used filter. If it remains attached to the engine and a new filter is installed over it, the two gaskets can prevent the filter from sealing correctly. This condition can cause a substantial oil leak after the engine starts and oil pressure builds.
What Tools and Parts Do You Need for a Nissan Infiniti 3.5L V6 Oil Change?
A Nissan Infiniti 3.5L V6 oil change requires replacement engine oil, a compatible oil filter, the applicable drain-plug sealing component, and basic tools for draining, refilling, and checking the engine oil. Prepare all parts and tools before raising the vehicle or removing the drain plug so the oil change does not have to be interrupted after the engine has been drained.
The replacement parts include the correct quantity and specification of engine oil, a compatible oil filter, and a new drain-plug washer or gasket when replacement is specified for the application. Confirm these parts using the exact model, model year, and engine variant before beginning the job.
The main tools include a drain pan for collecting used oil, the correct socket and ratchet for the drain plug, a torque wrench when a specified tightening torque is available, an oil-filter wrench if the existing filter cannot be removed by hand, and a funnel for adding fresh oil. Gloves and shop towels help control oil during filter removal, drain-plug handling, and cleanup.
Safe vehicle access may also require ramps or a suitable floor jack and jack stands, depending on ground clearance and the location of the drain plug and filter. Wheel chocks should be used where appropriate to prevent vehicle movement. Never rely on a hydraulic floor jack alone to support a vehicle while working underneath it.
Having the correct tools also reduces the risk of creating additional maintenance problems. A correctly sized socket reduces the chance of damaging the drain-plug head, a torque wrench helps control tightening force when a torque specification applies, and a sufficiently large drain pan prevents used oil from spilling as it exits the oil pan.
How Do You Prepare a Nissan or Infiniti 3.5L V6 for an Oil Change?
Prepare a Nissan or Infiniti 3.5L V6 for an oil change by positioning the vehicle on a stable, level surface, securing it against movement, identifying the drain plug and oil filter, and arranging the required tools before draining the oil. Proper preparation makes the procedure safer and ensures the engine can be refilled and checked accurately after the old oil has been removed.
Allowing the engine oil to warm before draining can help it flow more readily from the oil pan. The engine does not need to be excessively hot. After operating the vehicle, allow sufficient time for components around the engine and exhaust system to reach a temperature at which they can be approached safely. Hot engine oil and nearby exhaust components can cause burns during drain-plug or filter removal.
Park the vehicle on firm, level ground and apply the parking brake. Use wheel chocks where appropriate to prevent movement. If additional clearance is required, raise the vehicle using suitable lifting points and support it with appropriately rated jack stands, or use automotive ramps according to their operating instructions. Never work beneath a vehicle supported only by a hydraulic jack.
Locate the engine oil filler cap, dipstick, oil-pan drain plug, and oil filter before removing anything. The exact position and access route can differ between Nissan and Infiniti models using the 3.5L V6. Some applications may also have an underbody panel or splash shield that must be moved or removed before the drain plug or filter can be accessed.
Position the drain pan and required tools within reach before beginning. The drain pan should have enough capacity to contain the engine’s used oil and should be positioned to account for the initial direction of oil flow when the drain plug is removed. Keep shop towels available because oil can also drain from the filter during removal.
How Do You Drain the Old Oil From a Nissan Infiniti 3.5L V6?
Drain the old oil from a Nissan Infiniti 3.5L V6 by positioning a drain pan beneath the oil pan, removing the drain plug, allowing the oil to drain, inspecting the plug and sealing component, and reinstalling the drain plug correctly. Complete the draining process before adding any fresh engine oil.
Open the hood and locate the engine oil filler cap. Removing or loosening the filler cap before draining can allow air to enter the crankcase while oil exits through the drain opening. Place the cap somewhere clean and visible so it is not forgotten during reassembly.
Position the drain pan beneath the drain plug before loosening it. Use the correctly sized socket or tool to break the drain plug loose, then finish removing it carefully while keeping your hands away from the expected stream of warm oil. The oil can initially travel outward rather than falling directly beneath the drain opening, so position the pan accordingly.
Allow the used oil to drain into the pan until the flow has reduced substantially. The objective is to remove the drainable oil without turning the process into an unnecessarily long waiting period. Do not attempt to flush the crankcase with unrelated fluids or introduce cleaners unless a separate, vehicle-appropriate service procedure specifically requires them.
Inspect the removed drain plug before reinstalling it. Check the threads and sealing area for visible damage and inspect the drain-plug washer or gasket. Replace the sealing component when the applicable service procedure calls for a new one. A damaged sealing surface, worn washer, or incorrectly installed plug can create a leak at the bottom of the oil pan.
Reinstall the drain plug by starting it by hand whenever access permits. Hand-starting the plug helps confirm that the threads are correctly engaged before a wrench is used. Tighten the drain plug to the specification for the exact vehicle and engine application when that specification is available. Avoid applying an assumed universal VQ35 torque value because oil-pan and service specifications must be verified for the vehicle being serviced.
Wipe residual oil from the area around the drain plug after installation. A clean surface makes a new leak easier to identify during the final inspection. Leave the drain pan nearby because additional used oil will normally escape when the oil filter is removed.
How Do You Replace the Oil Filter on a Nissan Infiniti 3.5L V6?
Replace the oil filter on a Nissan Infiniti 3.5L V6 by removing the old filter, checking that its sealing gasket comes off with it, cleaning the mounting surface, preparing the new filter, and installing it according to the filter and vehicle specifications. Keep the drain pan underneath the filter area because used engine oil will escape as the old filter is loosened.
Position the drain pan below the oil filter before removal. Loosen the filter by hand when possible or use a suitable oil-filter wrench if it is too tight. Turn the filter slowly as it becomes loose because oil trapped inside the filter and its mounting area can begin draining before the filter is completely removed.
Inspect the old filter immediately after removal and confirm that its rubber sealing gasket is still attached. A gasket that remains stuck to the engine creates a double-gasket condition when the replacement filter is installed. Two overlapping gaskets can prevent the new filter from sealing against its mounting surface, allowing engine oil to escape after the engine starts and oil pressure develops.
Clean the filter mounting surface with a clean shop towel and inspect the area for gasket material, dirt, or other debris. The new filter gasket needs a clean mating surface to form a consistent seal. Avoid leaving fibers or contaminants where they can interfere with the gasket.
Prepare the replacement filter according to the filter manufacturer’s instructions and the applicable vehicle service procedure. If the instructions specify lubricating the new gasket, apply clean engine oil to the gasket before installation. Do not automatically pre-fill the filter unless the filter orientation and applicable service procedure make pre-filling appropriate.
Install the replacement filter onto its mounting point carefully and make sure it threads on without resistance. Tighten it according to the applicable filter or vehicle specification. Excessive tightening can damage the gasket or make the filter difficult to remove during the next service, while insufficient tightening can allow oil to leak from the sealing surface.
Clean residual oil from around the filter after installation. Cleaning both the oil-filter area and drain-plug area before starting the engine makes fresh leakage easier to identify during the final inspection.
How Do You Refill a Nissan Infiniti 3.5L V6 With New Engine Oil?
Refill a Nissan Infiniti 3.5L V6 by adding the specified engine oil through the oil filler opening, initially stopping below the expected final capacity, circulating the oil through the engine and new filter, and then adjusting the level with the dipstick. The final dipstick reading should determine whether additional oil is required.
Confirm that the drain plug and replacement oil filter are installed before adding fresh oil. This simple check prevents new oil from immediately draining onto the floor through an open drain hole or filter mounting point. Also verify that any tools or shop towels have been removed from the underside of the vehicle.
Remove the engine oil filler cap and place a clean funnel in the filler opening. Add the correct oil viscosity and specification for the vehicle. Use the applicable oil-change capacity as a reference, but initially add slightly less than the full specified quantity rather than immediately filling to the maximum expected amount.
Adding less than the final capacity at first provides room for adjustment. Some used oil remains in internal passages and other areas of the lubrication system after a conventional drain, so the amount required to reach the correct dipstick level does not always match an assumed refill quantity exactly. Adding oil gradually reduces the risk of overfilling the crankcase.
Remove the funnel and reinstall the oil filler cap before starting the engine. Start the engine and allow it to run long enough for fresh oil to circulate and fill the replacement filter. Watch the instrument panel for an abnormal oil-pressure warning and shut the engine off if the warning remains illuminated beyond the normal startup period.
While the engine is running, inspect the drain-plug and oil-filter areas for obvious leakage when this can be done safely without placing any part of your body beneath an inadequately supported vehicle. A rapidly developing leak requires the engine to be shut off and the cause corrected before continuing.
Shut the engine off after oil has circulated and allow the oil to drain back into the oil pan before taking the final dipstick measurement. The exact checking procedure should follow the vehicle manufacturer’s instructions. Add fresh oil in small increments if the level is below the specified range, checking the dipstick again after each addition.
Do not continue adding oil after the correct level has been reached. Overfilling is not a way to extend the oil-change interval or provide additional lubrication. The objective is to maintain the oil quantity within the range specified for the engine, not to fill the crankcase as high as possible.
How Do You Check the Oil Level After Changing the Oil?
Check the oil level after a Nissan Infiniti 3.5L V6 oil change by parking the vehicle on level ground, allowing the engine oil to settle, wiping the dipstick clean, reinserting it fully, and reading the level again. The final reading should fall within the acceptable range indicated on the dipstick rather than above its upper mark.
Start with the vehicle on a level surface because vehicle angle affects where oil collects inside the oil pan. An uphill, downhill, or side-to-side angle can change the dipstick reading and lead you to add or remove oil unnecessarily. Follow the applicable owner’s manual procedure for engine temperature and waiting time because the specified checking conditions can differ by vehicle.
Remove the dipstick and wipe the measuring end clean with a lint-free towel. Insert the dipstick completely into its tube, remove it again, and examine where the oil reaches the indicated measuring range. Using the second reading rather than the initial reading provides a clearer indication of the oil level after oil has circulated through the engine.
Add oil in small increments if the level is below the specified range. Wait for the added oil to reach the oil pan and check the dipstick again before adding more. This incremental approach provides better control than adding a large quantity based on an estimated shortage.
Do not use the published oil capacity as a substitute for the final dipstick check. Oil capacity provides the approximate amount required during service, while the dipstick verifies the quantity actually present in the engine after draining, filter replacement, refilling, and oil circulation. The oil change is not complete until the final level has been verified.
How Do You Check for Oil Leaks After an Oil Change?
Check for oil leaks after a Nissan Infiniti 3.5L V6 oil change at the two areas disturbed during the service: the oil-pan drain plug and the oil-filter sealing surface. Both areas should remain dry after the engine has run and developed normal oil pressure.
Start the engine after the correct initial amount of oil has been added and the filler cap has been installed. Inspect the drain-plug area for fresh oil forming around the plug or sealing washer. A leak in this location can result from a sealing problem, damaged threads, an incorrectly installed washer or gasket, or improper drain-plug installation.
Inspect the perimeter of the oil filter for fresh oil as well. Oil appearing around the filter immediately after replacement indicates that the filter installation and sealing surface require attention. Possible causes include an incorrectly seated filter gasket, insufficient or improper tightening, damaged sealing components, or an old gasket that remained on the mounting surface when the new filter was installed.
Shut the engine off before correcting a leak. Do not attempt to remove or substantially adjust an oil filter or drain plug while the engine is running. Correct the installation problem, clean the affected area, restart the engine, and inspect it again to confirm that fresh oil no longer appears.
Perform another visual inspection after a short drive when appropriate. Park the vehicle on a clean, level surface and look beneath it for fresh oil while also checking the drain-plug and filter areas again. Recheck the dipstick because the final oil level remains an important verification after the new filter has filled and the engine has operated.
A completed oil change should leave the oil level within the specified dipstick range and both service points free of fresh leakage. If oil continues to leak after the drain plug and filter have been checked and correctly installed, identify the source before assuming that the leak is simply residual oil from the service.
How Do You Reset the Oil Maintenance Reminder on a Nissan or Infiniti?
Reset the oil maintenance reminder after completing the oil change so the vehicle can begin tracking the next service interval from the current maintenance date or mileage. The exact reset procedure depends on the Nissan or Infiniti model, model year, instrument cluster, and infotainment system, so there is no single reset sequence that applies to every 3.5L V6 vehicle.
Before resetting the reminder, complete the mechanical portion of the oil change. Confirm that the engine has the correct oil level, reinstall the oil filler cap and dipstick, and verify that the drain plug and oil filter are not leaking. Resetting the reminder only changes the maintenance tracking information; it does not verify that the oil change was performed correctly.
Access the maintenance or service settings using the controls provided in the specific vehicle. Depending on the application, these controls may be located on the instrument cluster, steering wheel, dashboard, or infotainment interface. Locate the engine oil or maintenance item and follow the vehicle-specific procedure to reset its value after the oil change.
Do not reset a maintenance reminder before performing the service simply to remove the notification. Doing so disconnects the displayed maintenance interval from the vehicle’s actual service history. If the reset procedure is unclear, use the owner’s manual or service information for the exact model and model year rather than applying instructions from another Nissan or Infiniti vehicle.
Record the date and odometer reading when the oil change is completed. A written or digital service record provides an independent reference if the maintenance reminder is accidentally reset, changed, or unavailable. The record can also document the oil specification, oil filter, and other parts used during the service.
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How Often Should You Change the Oil in a Nissan or Infiniti 3.5L V6?
Change the oil in a Nissan or Infiniti 3.5L V6 according to the maintenance interval specified for the exact model, model year, and operating conditions. A single mileage interval should not be applied to every VQ35DE and VQ35HR application because maintenance schedules can differ across vehicles and production years.
Use the applicable Nissan or Infiniti maintenance schedule as the primary reference for determining the next oil change. Check both mileage and time requirements where both are specified. A vehicle that accumulates relatively few miles can still reach a time-based maintenance interval before reaching the corresponding mileage threshold.
Operating conditions also matter when the applicable maintenance schedule distinguishes between normal and more demanding service. Repeated short trips, extended stop-and-go operation, towing, extensive idling, dusty environments, or other specified severe conditions can affect the maintenance schedule. Follow the shorter interval when the vehicle’s actual usage falls within a severe-service category defined by the manufacturer.
Do not determine the oil-change interval solely by looking at the color of the oil on the dipstick. Engine oil naturally becomes darker as it circulates and holds contaminants in suspension, so appearance alone does not establish that the oil has reached its replacement interval. Mileage, elapsed time, operating conditions, and the applicable maintenance schedule provide a more useful basis for planning service.
Keep oil-change records for each service. At minimum, record the date, odometer reading, oil specification, quantity added, and replacement filter used. Consistent records make it easier to determine when the next oil change is due and establish a maintenance history for the vehicle.
What Are the Most Common Nissan Infiniti 3.5L V6 Oil Change Mistakes?
The 6 main Nissan Infiniti 3.5L V6 oil change mistakes are using the wrong engine oil, adding the wrong oil quantity, installing an incompatible filter, creating a sealing problem at the drain plug, incorrectly installing the oil filter, and failing to check the oil level and leaks afterward. Most of these problems can be prevented by confirming vehicle-specific specifications before starting and performing a final inspection after the engine has run.
Using the wrong engine oil is the first mistake to avoid. Select oil according to the viscosity and performance specification required for the exact engine, model, and model year. The 3.5L displacement alone does not establish every lubrication requirement, particularly because Nissan and Infiniti used different VQ35 variants across multiple applications.
Adding too much or too little oil is another preventable problem. Use the specified oil-change capacity as the initial reference, then verify the final quantity with the dipstick according to the vehicle’s oil-level checking procedure. Adding the entire expected capacity without checking the dipstick can result in an incorrect level because some used oil can remain inside the engine after draining.
Installing an incompatible oil filter creates a separate fitment and sealing risk. Verify the replacement filter against the exact vehicle application rather than selecting one only because it fits another Nissan or Infiniti 3.5L V6. Compare the replacement filter with the removed filter and confirm that its sealing surface and application are correct before installation.
Drain-plug problems can occur when the plug is cross-threaded, its sealing component is damaged or incorrectly installed, or the plug is tightened improperly. Start the drain plug by hand when possible to confirm correct thread engagement, replace the sealing washer or gasket when specified, and use the vehicle-specific tightening specification when available. Excessive tightening can damage threads or related components rather than providing a better seal.
Incorrect oil-filter installation can cause substantial oil loss after startup. Confirm that the old filter gasket has been removed before installing the replacement filter, clean the mounting surface, and install the new filter according to the applicable instructions. A double gasket is particularly important to avoid because oil pressure can force oil through the improperly sealed interface.
Failing to perform final checks is the sixth major mistake. After refilling the engine, circulate the new oil, inspect the drain plug and filter for leakage, shut the engine off, allow the oil to settle as specified, and verify the level with the dipstick. These checks confirm that the engine has both an adequate oil supply and sealed service points before normal driving resumes.
How Should You Dispose of Used Engine Oil and the Old Oil Filter?
Store used engine oil in a clean, sealed container and take it to an authorized used-oil collection or recycling facility instead of pouring it onto the ground, into a drain, or into household waste. The used oil and filter remain part of the oil-change task until they have been contained and handled according to applicable local requirements.
Transfer the drained oil from the drain pan into a container that can be closed securely. A purpose-built used-oil container is suitable, while the empty container from the replacement engine oil may also be appropriate when it can be sealed and accepted by the intended collection facility. Label the container when necessary to prevent it from being mistaken for fresh oil or another automotive fluid.
Keep unrelated automotive fluids out of the used engine oil unless the collection facility specifically accepts mixed fluids. Coolant, brake fluid, fuel, solvents, and other chemicals can require different handling processes. Keeping the drained engine oil separate makes it easier to deliver it through the appropriate recycling stream.
Allow the removed oil filter to drain into the drain pan while keeping it contained against spills. Requirements for used oil filters vary by location, so use an automotive recycling facility, service center, or other authorized collection option that accepts them. Do not assume that the disposal requirements for the liquid oil automatically apply to the used filter.
Clean any oil spilled during the service and store the used oil securely until it can be transported. Once the used oil and filter have been handled correctly, the Nissan Infiniti 3.5L V6 oil change process is complete: the old oil has been removed, the filter replaced, fresh oil added to the correct level, the service points checked for leaks, and the waste prepared for proper disposal.