The guides are considered unnecessary by Nissan as seen in their TSB. DO NOT REMOVE THE GUIDE FOR LOWER CHAIN. The procedure is written for a 96 S14 but should be similar for all DOHC engines. Introduction: There are three possible reasons why your timing chain is making the rattling noise. Oct 05, 2009  93 nissan 240sx ka24de engine flooding. Hi im working on a friends 93 240sx automatic and he had the head replaced not too long ago along with fuel pump, filter, pressure regulator. I need help with timing my ka24de engine, it was disassambled when i got it. The KA24DE has 4 valves per cylinder, against the 3 of it's SOHC brother.The oil feed was revised, and rpm was limited to 6900rpm, then this was cut to 6400rpm to facilitate the implementation of the Nissan 240SX's cam profile and intake design around 2004. Some SUV versions of this engine had a redline of 6100rpm. Instagram- @southernhooning In this episode of Southern Hooning we learn how to install the timing chains on the KA24DE / KA24DET if you liked this video or if it helped please like and subscribe! SR Camshaft Alignment Procedure One of the most common problems I have to troubleshoot for customers is improper camshaft install. It is an easily confused process because Nissan engineers did a poor job at marking TDC on the cam sprockets. So you have to approach it with a more precise method than 10 and 12 o’clock.

1. Ka24de Timing Kit
2. Nissan Ka24de Timing Marks
3. Nissan Ka24 Timing Chain Marks
4. Nissan Ka24de Timing Procedure
5. Nissan Ka24de For Sale

'We look at the best mods for this popular Nissan engine.'

Taking the KA24E as the origin, Nissan have made revisions and created a fantastic block, that responds well to tuning and has plenty of potential.

KA24DE has a higher 6900 redline* than the 1988 KA24E 6500rpm, with the main differences being that the KA24DE has a double overhead camshaft and other revisions including a better knock sensor, heavy duty main bearings and revised oil pickup.

The KA24DE has 4 valves per cylinder, against the 3 of it's SOHC brother.

*The oil feed was revised, and rpm was limited to 6900rpm, then this was cut to 6400rpm to facilitate the implementation of the Nissan 240SX's cam profile and intake design around 2004. Some SUV versions of this engine had a redline of 6100rpm.

Some blocks were made in Mexico for models destined for the US market. Then JDM market car engines were built in Japan and there were significant differences between these, despite bearing the same engine code.

The Japanese engines were lighter, and had larger diameter girdled main bearings and were generally tuned to higher RPM and power levels. The oil feed and camshaft differences have also been noted.

The Mexican blocks were heavier as they were made from cast iron, and as such tolerate higher power figures than the JDM engines. So although the engine was built for trucks there is probably more tuning potential and adding more power is unlikely to break anything!

The dipstick location is the best way to tell the engines apart, as JDM engine dipsticks were located in the center of the engine, and the Mexican engines has the dipstick located to the rear.

Parts are not necessarily interchangeable between the two versions so please check carefully before ordering upgrades, particularly camshafts and anything to do with the oil feed and pickup.

Typical power outputs varied by year, and by application. SUV's tended to be built for Torque and reliability by way of a different compression ratio and cam design.

• 134 hp (100 kW) (1988-1996)
• 155 hp (116 kW) (1996-2004)
• 143 hp (107 kW) (1998-2004

Most of our visitors have this engine in the 240SX so were are going to look at tuning this block with 'track day sports car in mind'.

If you have a heavy truck and are looking for more power then this article will cover the basics, but you'll be looking for more low end torque, and probably not after a high revving engine.

Camshaft choice is the thing that differentiates the power band, along with head work (gas flowing, porting and polishing).

With NASP only mods you'll probably gain around 20-30bhp, when you add forced induction you can be looking at an extra 100bhp or more!

KA24DE Tuning Tips

Typical stage 1 mods often include: Sports exhaust, Remap,Panel air filter

Typical stage 2 mods often include:Fast road cam, high flow fuel injector, Ported and polished head, fuel pump upgrades.

Typical stage 3 mods often include: Engine balancing, Competition cam, Internal engine upgrades (pistons/head/valves), Adding or upgrading forced induction (turbo/supercharger).

There are a few good quality turbo kits around for the KA24DE and you should hit power figures around 380hp to 400hp. The oil feed drain lines need uprating, you'll need an intercooler and timing adjustments.

Ka24de Timing Kit

Fuelling would also be a problem for a turbo kit so you'll need better injectors, rated to flow what you've tuned the car to handle and an aftermarket engine management kit.

We favour the GT3071R Dual Ball Bearing OR GT3076R Dual Ball Bearing turbos, they spool up nicely on this engine and make for a good top end power boost without too much low down lag. 4500 rpm is where you really feel these turbos spooling up and where power stays flat on the NASP engine through to redline you'll get a big pickup around 5000rpm on the turbo setup.

The twin scroll turbo is the route to go if you are adding forced induction to the KA24DE.

Clearance in the engine bay can be an issue with bottom mounted turbo manifolds, so give some thought to adjusting the floorpan or the downpipe to accommodate this. Power steering brackets can also get in the way and may need grinding back.

The KA24DE was replaced in 2004 with the 2.5L QR25DE

Regular maintenance & weakspots on the KA24DE

Tha block is hot album zip. Valve adjustments should be checked every 1200 miles.

Piston and crank are forged, and pretty solid, as such the engine can take quite a bit of punishment. It is thought to be bulletproof, subject to proper servicing and in particular regular oil changes.

Replacing the outdated mechanical spark timing with a proper electronically managed solution will make your future tuning mods easier.

Pistons are good for power figures around 260hp but going beyond this it makes sense to uprate the pistons, and crankshaft. Full torrent oyun indir. We've heard of some running power figures of 320hp on stock internals as they are so solid, but we would worry about reliability.

Fuelling can struggle at higher power figures, as with most tuning projects your choice of injectors and mapping is vital.

Please help us to complete this article, use the feedback box below if you spot any errors or have any additional tips or comments to pass on to other KA24DE engine tuners

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Nissan

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ENTERING SELF-DIAGNOSTICS

Nissan Ka24de Timing Marks

Using (MIL)

88–94

1. Turn ignition On.
2. On all models except Pathfinder, Pickup and Van, proceed as follows:
   1. Turn diagnostic mode selector on ECU fully clockwise and wait untilinspection lamps flash. Number of flashes displayed indicates correspondingmode.
   2. Note number of flashes, then immediately turn diagnostic mode selectorfully counterclockwise.
3. 3. On Pathfinder, Pickup and Van models, proceed as follows:
   1. Turn diagnostic mode selector on ECU to On position and wait untilinspection lamps flash.
   2. Note number of flashes, then immediately turn diagnostic mode selectorto Off position.
4. On all models, when ignition is turned Off during diagnosis, in eachmode, and then turned back On again after power to the ECU has dropped offcompletely, diagnosis will automatically return to Mode I.
5. For description of modes, proceed as follows:
   1. Mode I (Mixture ratio feedback control monitor A): during a closedloop condition, the green inspection lamp turns on when lean conditionis present and goes off when a rich condition is present. During anopen loop condition, the green inspection lamp stays off.
   2. Mode II (Mixture ratio feedback control monitor B): during a closedloop condition, the red inspection lamp turns on and off simultaneouslywith the green inspection lamp when mixture ratio is controlled withina predetermined value. During an open loop condition, the red inspectionlamp stays off. The green inspection lamp function is the same as inMode I.
   3. Mode III (Self diagnosis): in this mode the DTC is indicated by boththe red and greed inspection lamp. The red inspection lamp correspondsto units of 10; the green inspection lamp corresponds to units of one.
   4. Mode IV (Switches on/off diagnosis): during this mode, the inspectionlamps monitor switch on/off condition of the throttle valve switch,starter switch and vehicle speed sensor.
   5. Mode V (Real time diagnosis): if a malfunction is present duringa driving test, the inspection lamps will display the malfunction conditionimmediately.

READING DIAGNOSTIC CODES