Engine Rattle. Need Help Diagnosing Noise!

[Daboss]

Ok I have been hearing a rattle from my engine and was wondering if you guys can help diagnose the prob? From reading others post in the forum I have come to the conclusion that is either lifters or an exhaust leak, maybe from the videos included you guys can help me diagnose better. Listen carefully and you can hear the rattle, 1)

2)

All suggestions are welcome and thanks for the help.

[Wacky Dee]

woah ..thats a very noisy engine. I'm no expert so i won't make any guessess... However my 34 GTT had/has a bit of lifter noise (mostly fixed up by oil change to thicker oil 10W40 recently) but it sounded like this one

I'm not sure why but your engine seems very noisy (almost like a V8 or a rexxy) and nothing like the lifter tapping noise as in the vid above

Edited August 20, 2008 by Delta Force

[Daboss]

woah ..thats a very noisy engine. I'm no expert so i won't make any guessess... However my 34 GTT had/has a bit of lifter noise (mostly fixed up by oil change to thicker oil 10W40 recently) but it sounded like this one

I'm not sure why but your engine seems very noisy (almost like a V8 or a rexxy) and nothing like the lifter tapping noise as in the vid above

HMMMMMMM yea after watching that vid my engine does seem a whole lot louder than the engine in that vid. I am open to all suggestions so please let me hear them. Did the coilpack test all the coilpacks change the note of the engine so that means they are good or at least working and I am running all six cylinders. So please people help me out.

[Luciano]

it sounds like your engine is idling normally, but its pretty damn loud. My first impression is exhaust leakage.

What is it like to drive?

My lifters are noisy when i start the car in very cold weather; sounds quite similar to the clip Denis posted. After a couple of minutes of idling the noise disappears

[Daboss]

it sounds like your engine is idling normally, but its pretty damn loud. My first impression is exhaust leakage.

What is it like to drive?

My lifters are noisy when i start the car in very cold weather; sounds quite similar to the clip Denis posted. After a couple of minutes of idling the noise disappears

Well It still makes great power, haven't had it dynoed but it still feels responsive and it pulls nicely. Only prob I am having is when boosting at wot the car kinda surges and it doesn't get the 9psi quickly enough for me and if I run third or fourth gear out it overboost get like 13 psi towards the end of the rpm say like about by 6000 rpm or so, but I figure thats because the ebc is not configured correctly. The noise doesn't go away and upon inspecting my car I noticed that two of the bolts off the exhaust manifold are missing so far, at least from what I can see the first and last bolt.

[trel]

judging by that sound you have an exhaust manifold leak. looks like a few bolts are missing there too anyway.

[CeJay]

here my rattle

assuming it may be a noisy lifter?

[SHANE666]

lifters expensive to replace?

[Wacky Dee]

I'd say so since they're part of the head ... try thicker oil first, that has fixed noisy lifters for a lot of people myself included (well fixed it 90%) I use Hi-Tec 10W40 (but any brand of the same viscosity should do the trick)

[bubba]

I think lifters tend to be about $50-60 each (which is fair for a hydraulic lifter as they are a very high precision part) but with 24 of them it is expensive to do the whole lot