Parts for your 2008 Nissan Dualis-Transmission filter

2008 Nissan Dualis transmission filter: what it is, where it fits, and when to service it

For the 2008 Nissan Dualis (J10), a transmission filter is relevant on the Xtronic CVT model, but not on the 6‑speed manual. Technical references such as the Nissan Qashqai/Dualis J10 Factory Service Manual (TM – CVT section for RE0F10A/Jatco JF011E) and Jatco JF011E service documentation note two filtration points on the CVT: an internal oil strainer inside the unit and an external CVT fluid cooler/return filter in the cooler line. There isn’t a traditional, easily serviceable “pan” filter like on many conventional automatics. Manual gearboxes don’t use a transmission filter at all.

On Dualis CVT models, the filter’s job is straightforward: keep metal wear particles and clutch material out of the pump, valve body, and pulleys so the CVT can hold ratio smoothly and avoid overheat. The internal strainer protects the pump and is only touched during overhaul. The external cooler/return filter is the routine-service item, catching fine debris coming back from the heat exchanger.

As part of sensible servicing in Aussie and Kiwi conditions, most workshops treat the cooler/return filter as a “replace when you service the fluid” item. That typically means every 60,000–90,000 km (or sooner if the CVT has worked hard towing, in traffic, or on steep terrain). Always use the correct fluid—Nissan CVT Fluid NS‑2 for the 2008 Dualis CVT—and set the level by temperature as per the factory procedure. If fluid is dark, smells burnt, or shows glittery debris, prioritise replacing the external filter and consider a staged drain-and-fill schedule. The internal strainer is not a driveway item, it’s addressed during a teardown or rebuild only.

Handy signs the CVT filter and fluid need attention include: flare or slip at light throttle, shudder on take‑off, whining or humming that changes with speed, and CVT overheat warnings. Catching those early with fresh NS‑2 fluid and a new cooler/return filter can extend the life of the JF011E considerably.

Tips from the workshop floor: orient the external filter correctly (flow arrow matters), replace any sealing washers/O‑rings disturbed during the job, and check for leaks after a warm‑up drive. If unsure, a transmission specialist with Nissan CVT experience can perform the fluid temperature level set and scan for CVT codes.

• Applies to: 2008 Nissan Dualis J10 with Xtronic CVT (RE0F10A/JF011E)
• Not applicable: 6‑speed manual Dualis (no transmission filter used)
• Fluid spec: Nissan CVT Fluid NS‑2

FAQ

Does a 2008 Nissan Dualis have a transmission filter?

Yes—on CVT models. The J10 Dualis with Xtronic CVT uses an internal oil strainer (non‑routine service) and an external cooler/return filter that can be replaced during servicing. Manual models don’t use a transmission filter.

How often should the CVT transmission filter be replaced on a 2008 Dualis?

Replace the external cooler/return filter whenever you service the CVT fluid—commonly every 60,000–90,000 km in local conditions, or sooner if the fluid is discoloured, there’s metal debris, or the CVT has overheated. The internal strainer is only addressed during overhaul.

What fluid does the 2008 Dualis CVT use, and how much is needed?

Use Nissan CVT Fluid NS‑2. A drain-and-fill typically returns around 4–5 litres, while total capacity is higher. Always set the fluid level by temperature following the factory procedure to avoid under‑ or over‑filling.