Parts for your 2012 Nissan Serena-Oil seals

2012 Nissan Serena oil seals — what they do and when to replace them

Oil seals are absolutely relevant to the 2012 Nissan Serena (C26). Technical references that confirm this include the Nissan Serena C26 Factory Service Manual (Engine Mechanical and Transaxle/Driveline sections), the Nissan FAST parts catalogue, and JATCO documentation for the Xtronic CVT (RE0F10A/JF011E, and market-dependent later units). These sources detail front and rear crankshaft seals, camshaft-related seals, and transaxle/drive shaft oil seals used on the Serena’s MR20-series engine and CVT.

On this model, oil seals are the unsung heroes that keep engine oil and CVT fluid where they should be. They’re precision rubber lip seals that ride on rotating shafts, stopping leaks while letting parts spin freely. In day-to-day terms, that means cleaner driveways, happier bearings, and fewer headaches under the bonnet.

• Common engine oil seals: front crankshaft seal (behind the crank pulley) and rear main seal (between engine and gearbox).
• Common transaxle/CVT seals: input and output shaft seals, plus the left/right drive shaft (axle) oil seals where the shafts enter the CVT/diff.

There’s no set replacement interval for oil seals on a Serena