[raffi007]

Hello everyone
I need some help trying to identify this sound
Just for info, i had a spun bearing 2 and half years ago and rebuilt the engine and everything has been fine since then.

I have been hearing this knocking noise on cold start on idle and then when the car is warm, the noise is not there anymore.
Otherwise the car drives great

I have checked both the oil filter and the oil catch can for metal shavings, but there arent any.

What is this sound tho ? Is this the normal engine sound ?
I confess i am getting paranoid as i dont feel like going thru another engine rebuild.
Could it be the lifters ?

https://youtube.com/shorts/1scwJWm_ciE?feature=share

[Mustafa.e92]

Dosent really sound like knock kinda sounds like normal injector noise

[raffi007]

Originally Posted by Mustafa.e92

Dosent really sound like knock kinda sounds like normal injector noise

Originally Posted by Mustafa.e92

Dosent really sound like knock kinda sounds like normal injector noise

Do you think i should add ceratec to the oil ?

[TheMidnightNarwhal]

I can barely hear any knocking noise there. But does it go away the moment you touch the gas a little bit?

[raffi007]

Originally Posted by TheMidnightNarwhal

I can barely hear any knocking noise there. But does it go away the moment you touch the gas a little bit?

Originally Posted by Mustafa.e92

Dosent really sound like knock kinda sounds like normal injector noise

Yes it does and as soon as the car is driven for 5min and then i stop, the knocking is not there anymore

[TheMidnightNarwhal]

Originally Posted by raffi007

Yes it does and as soon as the car is driven for 5min and then i stop, the knocking is not there anymore

Haha I worried about something similar mine is evap vent valve or something yours is probably the same.

[mattypp]

I can only hear the injectors. Sounds normal to me.

[raffi007]

Originally Posted by mattypp

i can only hear the injectors. Sounds normal to me.

🙏👍👍👍

[whyzee125]

Is the noise new?

To be fair it's hard to tell from a video so while everyone's saying normal, it could be missing some frequencies over computer speakers and there really is an issue.

That being said, to me it sounds completely normal. A rod knock is usually pretty distinct and I really don't hear any knock whatsoever.

What did your rebuild consist of?

Ceratek isn't a bad idea for a small amount of added protection but certainly won't fix a rod knock if you have one. If it seems like the injector noise we're all hearing isn't the noise you're talking about, I would pull the pan and inspect the bearings. Rod bearings are a much easier job than another full rebuild.

If the crank is still original, it's never going to be perfect after a spun bearing and could be prematurely wearing one bearing. If crank was replaced, no idea.

[Saif2018]

Originally Posted by raffi007

Hello everyone
I need some help trying to identify this sound
Just for info, i had a spun bearing 2 and half years ago and rebuilt the engine and everything has been fine since then.

I have been hearing this knocking noise on cold start on idle and then when the car is warm, the noise is not there anymore.
Otherwise the car drives great

I have checked both the oil filter and the oil catch can for metal shavings, but there arent any.

What is this sound tho ? Is this the normal engine sound ?
I confess i am getting paranoid as i dont feel like going thru another engine rebuild.
Could it be the lifters ?

https://youtube.com/shorts/1scwJWm_ciE?feature=share

I have had similar sound for a couple of years on cold start, goes away after a few mins diving,

It's probably Evap or lifter tick,

I wouldn't worry about it if it goes away,