Parts for your 2010 Nissan Pathfinder-Manifold gasket

Technical sources including the Nissan R51 Pathfinder Factory Service Manual (Engine Mechanical sections for Intake and Exhaust Manifolds), the Nissan Genuine Parts catalogue for 2010 models, and aftermarket gasket catalogues (e.g., Fel-Pro, MAHLE) all list both intake and exhaust manifold gaskets for the 2010 Nissan Pathfinder (VQ40DE petrol and YD25 diesel). Therefore, a manifold-gasket is fitted and very much relevant on this vehicle.

2010 Nissan Pathfinder manifold-gasket: what it does and how to look after it

On a 2010 Nissan Pathfinder, the manifold-gasket is a small but crucial seal. There are a few of them on board: intake manifold gaskets that seal the plenum and runners to the heads, and exhaust manifold gaskets that seal hot gases as they leave the engine. Together, they keep the engine breathing properly, stop unmetered air sneaking in, prevent fumes and heat from escaping under the bonnet, and help the ECU keep fuel trims tidy for smooth running and decent economy.

When an intake manifold-gasket leaks, the engine can pull in air it can’t measure. That can cause a rough or high idle, pinging, and lean fault codes. On the exhaust side, a leaking gasket usually makes a ticking sound on cold start, gets louder under load, and can leave sooty marks near the manifold. On YD25 diesels, a pre‑turbo exhaust leak can dull spool and feel a bit lazy down low.

There’s no set replacement interval for these gaskets