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To fix a knocking engine noise in a 1989 Nissan 240SX, start by checking the engine oil level and condition, as low or dirty oil can cause knocking. If the oil is fine, inspect the engine for loose components, such as heat shields or exhaust parts. A more serious issue could involve worn bearings or a damaged piston, so consider performing a compression test or a rod knock diagnosis. If the problem persists, it may be best to consult a mechanic for a thorough inspection and possible repairs.

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AnswerBot

4mo ago

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Related Questions

Does a 1989 Stanza engine KA24E work with a 1989 240sx?

Well if you look at the 240sx you will see that although the engine size is the same KA24E the engine on the 240sx is SIDEWAYS.


Will a 1992 ka24de 240sx engine fit in a 1989 240sx?

Absolutely.


What is the engine block code on a 1989 240sx se?

KA24E


What would cause your 1989 buick park avenue to knock?

== == I do believe if you hear a knocking noise that your crank shaft could be failing. Which means you will need a new engine. Have it checked out. Replace the harmonic balancer they will make a bad knocking noise. When you start it and the oil light goes out and it knocks, this is what is wrong with it.


What heads are swapable with the 1990 240sx?

1989-1990 240sx 1990-1997 Hard body 1990-1995 Pathfinder 1989-1995 Axxess 1990-1992 Stanza They are all the same engine.


What is the horsepower of a Nissan 240sx?

Nissan 240sx HorsepowerIt depends on what year and what engine the Nissan has, usually 1989-1990 have the ka24e which is 140 hp. While the 91-98 have the ka24de engine which has 155 hp.


Where is eccs located on Nissan 240sx?

On the 1989-1990 240sx with the KA24E single overhead cam engine the E.C.C.S. is located on the top left side of the engine behind the throttle body and on top of the intake manifold.


You changed the crankshaft on a 1989 z24 but the knocking noise wont go a way you talked to a mechanic and he told you to wait until the oil goes back up three days pass and the noise is still therean?

The oil should be pumped into the oil journals in a second or two. If you still have rod knocking, you still have problems. It could be piston slap or any of a number of problems, but rod knocking is most common. Have you checked your oil pressure? If oil pressure is up when the engine is running and the knocking continues, it's not a crankshaft problem.


What was the first year of the Nissan 240sx?

The Nissan 240SX was brought to America in 1989.


Will 1989 Honda Prelude rims fit a 1989 Nissan 240sx?

The 1989 Honda Prelude had 4x100mm offset. The 1989 Nissan 240sx has a 4x114.3mm offset...so, it will not fit.


In a 1989 Beretta GT manual trans ran with low oil what would cause it to now have a loud knocking sound in the engine with no power when trying to accelerate?

Probably fried one of your pistons. Don't even worry about the noise. Just get a reman engine. You need one.


Will a 1992 240sx transmission fit a 1989 240sx motor?

Yes the two transmissions are interchangeable.

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