Supposedly the alternator fails more than many other vehicles, but we are not able to verify this problem. The distributor is known for failing on earlier versions of the KA24.Īnother prevalent issue is a rattling timing chain, which occurs when the timing chain gets loose from age and begins to rub against the timing chain cover. Just like any other engine, the KA24DE has a couple of known issues that are common.
While they could’ve used engines like the SR20 or CA18 for some of these applications, they strangely didn’t. It makes sense just to adapt the engine for multiple platforms rather than creating an all-new engine. Some engines were destined for light-duty pickup trucks and SUVs, such as the Nissan Hardbody or Nissan Xterra, but the KA24 is best known for its appearance in the 240SX.
Nissan put the KA24E and KA24DE in a variety of different products through their life cycles. Valvetrain: SOHC | Three Valves per Cylinder (1988 – 1997) – DOHC | Four Valves per Cylinder (1991 – 2004).Nissan configured some KA24 engines for front-wheel drive vehicles. The KA24 uses a Hitachi sequential electronic fuel injection system. Oddly enough, Nissan decided to use a shim-over-bucket configuration for the valve train instead of rocker arms. Later versions of this engine used a DOHC design with four valves per cylinder which increased power and efficiency. The KA24DE doesn’t feature these, and it has a slight reputation for being a “buzzy” engine. Generally speaking, four-cylinder engines larger than 2.0L of displacement use balancing shafts to help reduce vibrations felt in the cab. Had Nissan known they would eventually use this engine in the 240SX, I’m sure they would’ve considered using an aluminum construction.Įarly versions of this engine used a SOHC design with three valves per cylinder. Even with its relatively large displacement, the KA24 did not implement balance shafts. The engine was intended for use in light trucks and SUVs, so weight saving wasn’t a significant concern. Part of the reason Nissan used an iron cylinder block was to save money. The KA24DE is a 2.4L inline four-cylinder engine that uses an iron cylinder block with an aluminum cylinder head. You can find additional information on the KA24 Wikipedia page. In this short article, we’re going to cover everything you need to know about the KA24DE. The KA24DE is part of the Nissan KA engine family, which also includes the KA20DE and KA24E.
It mostly has this cult following from the 240SX’s cult following, especially considering there are superior engines, such as the SR20DET, that can easily replace it. Although this engine doesn’t use any innovative technology, it does have a cult following like other Nissan engines. The KA24 was designed to replace the extremely outdated Nissan Z engine. You’ve probably heard that it came from the Nissan Hardbody truck. It’s the engine that all Nissan 240SXs in the U.S. If you’ve been around the drifting scene, then you’ve probably heard of the KA24DE engine.
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