Loud knocking engine (video)

[stagen]

I am just finishing up a 6 bolt swap and my engine sounds like this....

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What could this be? A rod?

 

[imagine-02]

oopse I posted it under my friends profile.
Anyway, this is my car and I need to know what this could be.

 

[delta448]

I think it's rod knock from a spun bearing, but I'd check the timing and take a look under the valve cover for a dislodged rocker arm or busted valve first.

 

[97 4G63]

That sounds like your bearing are shot.pull the oil pan and take a look around.
Or just drain the oil and i'm sure you will notice something in there that dosen't belong.

 

[imagine-02]

Well thats just great.

Thanks guys.

 

[Tim Melton]

did you do a timing belt recently.because thats what my car sounded like with a bad hyydraluc tentioner. If the tensioner is bad bhe belt will make the arm on your tensioner pulley slap up and down on top of the hydraulic tensioner.

 

[SnowBird]

Most likely a spun bearing. That sounds REALLY bad. The last one I spun it was quiet at idle and then over 2K it would knock super loud, but didnt have any rythm to it. When I tore it apart one of the road bearings was fused on top of the other one. In my first talon almost all the bearings were worn down to nothing and it sounded similar to yours. I can tell you its definetly not lifters. Pull the pan and check for fish scales. GL

 

[datrip]

Got a Mazda 626 that sounds just like it. Its the rod bearings and the crank will need to be micropolished and I would suggest some beefy oversized bearings.

 

[imagine-02]

So I might have figured out the problem.
My timing belt is super looser now. So like someone suggested... the timing belt tensioner could have broke. Ill check it out tomorrow.

 

[imagine-02]

Well I now know whats wrong...
My brother came over to check it out (he builds engines for cummins).
We unscrewed the oil pressure sensor, unhooked the coil pack, and turned over the engine. Doing that it spit oil out into a clean white cup.
And what we found in the cup was silver and brass metal shavings. Bearings took a crap!

 

[imagine-02]

So Jesse said that he will rebuild the engine for me. He said that he wont charge labor but I will have to pay for the parts.
Should I trust him to do a good job after what happend?