Re:Re:Re:Re:Jimny M13A engine knocking

It's never going to be easy to determine the cause via a video, I suspect the most likely cause has already been put forward by Lambert. Any further suggestions may just be educated guess work unless you can pinpoint the area from which the noise originates.
You can use a mechanics stethoscope to try and locate the source, they do work even if a bit old school. A long screwdriver can be used as a substitute, but please be careful if you go this route of rotating parts withing the engine. If in doubt don't do it, and stay away from the fan and drive belts.
Good luck

First at all, thank you very much by the help! Now I’m waiting for a new dinamometric wrench due to mine has a higher range than the specified torque for the rod cap. I think i’ll start the engine in one week. Apart from that i realice that the power steering pulley has an important axial play, could it be the causant of the noise? I send a vídeo.

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That's not normal. Or rather mine doesn't do that. It is possible to run the engine without the power steering belt attached, that will quickly tell you if the noise is associated with that end play or if it is deeper into the motor. It is also possible with a cold engine to run it for a very short time without the alternator belt but be aware that you have no coolant flow if you do. Again it will also quickly determine if the noise is internal. Only run the engine for a minute at most without the water pump being driven and only when the engine is cool otherwise you will do meaningful damage.

I'm with Lambert. Run it up from cold with no drive belt on that and see if the noise has gone.

If you cannot find an external noise source, I had piston slap on an Ignis Sport that sounded similar.

Kirkynut

Oh! I really hope the noise comes from de p/s pulley... when i check de rods in the upper side i dont notice any play when i shook the rod. If i had piston slap wouldn’t it do the same noise when i shake the rod? The cylinder walls looks good too... Althougth i’m not an expert. Thank you!


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