Parts for your 2014 Mitsubishi Asx-Manifold gasket

2014 Mitsubishi ASX Manifold Gasket

According to Mitsubishi Motors’ ASX/RVR/Outlander Sport Workshop Manual (2010–2016, Engine – Intake and Exhaust sections) and the Mitsubishi ASA global electronic parts catalogue, the 2014 Mitsubishi ASX uses manifold gaskets. Both intake-manifold-to-cylinder-head and exhaust-manifold-to-cylinder-head gaskets are specified across the common ASX engines, including the 2.0L 4B11 petrol and diesel variants (such as the 4N1x series). So yes, a manifold gasket is absolutely relevant on this model.

On the 2014 ASX, the manifold gaskets do a simple job with big consequences: they seal the join between the manifolds and the cylinder head so air and exhaust gases stay where they should. The intake manifold gasket keeps unmetered air from sneaking in, protecting idle quality, fuel trims, and overall drivability. The exhaust manifold gasket stops hot exhaust from escaping under the bonnet, protecting nearby components and ensuring the oxygen sensors and, on diesels, the turbo and DPF get clean, correctly measured flow.

These gaskets aren’t a scheduled replacement item, they’re replaced if disturbed or if there’s a leak. Any time the intake or exhaust manifold comes off—for example, to service a throttle body, EGR hardware on diesels, or to reach spark plugs on some jobs—fit a new gasket. Reusing a compressed gasket is false economy and can lead to annoying whistles, ticking, or even fumes in the cabin.

Good workshops will prep the mating faces carefully, follow the factory torque specs and tightening sequence, and inspect studs, nuts, and heat shields. On diesel ASX models, it’s smart to check EGR cooler joints and related gaskets at the same time, as soot can accelerate wear. Quality matters: choose OEM or reputable aftermarket multi-layer steel or graphite gaskets.

Drivers can spot trouble early with a few tells:

• Hissing or whistling on acceleration (intake leak)
• Ticking from cold start that softens as it warms (exhaust leak)
• Rough idle, higher fuel use, or a check engine light with lean codes
• Exhaust odour in the cabin or sooty marks near the manifold

Left alone, a leaking gasket can skew fuel trims, cook nearby wiring or plastic, and on diesels, stress the turbo and emissions gear. Sorting it early is cheaper than chasing knock-on issues, and it’ll keep the ASX running sweet for plenty more kilometres.

Do all 2014 ASX engines have manifold gaskets?

Yes. Whether it’s the 2.0L 4B11 petrol or diesel variants, there are intake and exhaust manifold gaskets specified in Mitsubishi’s service information and parts catalogue. The exact gasket design can vary with engine and emissions equipment, but the function is the same: seal the manifold-to-head interface.

What are the signs a manifold gasket needs replacing on a 2014 ASX?

Common signs include a hiss or whistle (intake), a ticking noise on cold start (exhaust), rough idle, lean mixture fault codes, and a whiff of exhaust under the bonnet. Soot traces around the exhaust manifold are a giveaway. Any of these warrant inspection.

Is it safe to drive with a leaking manifold gasket?

It’s not ideal. Short trips to a workshop are generally fine, but extended driving can overheat nearby components, upset fuel trims, and on diesels, risk turbo and DPF issues. Best to book it in and get it sealed properly.