Parts for your 2007 Nissan Serena-Transmission filter

2007 Nissan Serena transmission filter — is it actually used?

Short answer: a conventional, serviceable transmission filter isn’t used on the 2007 Nissan Serena. This generation (C25, around 2005–2010) is typically fitted with Nissan’s Xtronic CVT by Jatco. According to the Nissan Serena C25 Factory Service Manual (TM/Transaxle section for CVT), the unit uses an internal fine-mesh oil strainer inside the transmission casing rather than a replaceable pan filter. The Jatco CVT technical literature for the RE0F06/RE0F10 family also shows an internal suction strainer and notes an external cooler-return line filter only on some variants. Nissan’s service schedules for CVT-equipped models specify CVT fluid inspections/replacements but do not list a routine transmission-filter change.

Why no traditional filter? The CVT doesn’t have a removable sump and pan-mounted cartridge like many conventional automatics. The internal strainer is there to protect the pump from large debris and is intended to last the life of the unit unless there’s internal damage or a full overhaul. On some Serena CVTs, a small cooler-line return filter may be fitted, that’s a contamination safeguard for the fluid cooling circuit and is usually replaced only after a failure event or when the cooler lines are opened, not as periodic maintenance.

What owners should service instead:

• Use the correct fluid: Nissan CVT Fluid NS-2 is specified for this era of Serena CVT.
• Intervals: follow Nissan’s maintenance schedule. Many NZ and AU workshops recommend more frequent changes (for example, 40,000–60,000 km) if the vehicle tows, drives in hilly areas, or sees lots of stop–start use.
• Proper level and temperature: these CVTs are “no dipstick” units. Fluid level is set at a specific fluid temperature using a scan tool and the level/fill port. Incorrect level can cause shudder or slip.
• After a fluid change, a technician should reset the CVT fluid deterioration counter with a suitable scan tool.
• Cooler-line filter (where fitted): only replace if contamination is suspected or after transmission repairs—it's not a routine service item.

Technical sources referenced: Nissan Serena C25 Factory Service Manual (TM—CVT section: construction/maintenance procedures describing the internal strainer and service workflow), Jatco CVT (RE0F06/RE0F10 family) service information detailing the internal oil strainer and optional cooler-return filter, Nissan maintenance schedules for CVT-equipped models specifying NS-2 fluid service without a listed filter replacement.

FAQs

Does the 2007 Serena have a replaceable transmission filter?
Not as a routine service item. Its CVT uses an internal strainer, and there’s no pan-mounted filter. Some vehicles may have an external cooler-line return filter, but it’s typically only replaced after contamination or transmission work.

What CVT fluid should be used and how often should it be changed?
Use Nissan CVT Fluid NS-2. Follow Nissan’s schedule, for NZ and Australian conditions or used-import history, many workshops suggest changing between 40,000 and 60,000 km if driven hard, towed, or used on steep terrain.

How is the CVT fluid level checked on a Serena with no dipstick?
A technician sets the level at a specified fluid temperature using a scan tool and the level/fill port. Getting the temperature and level right is critical, so this job is best left to a transmission specialist.