I have a ticking coming from my head, sounds sorta like a vavle. It only does it when I give it a certain amount of gas past 2k rpm. When its raining outside, I barely hear it at all. It's been doing it for about 10 months now and I just can't seem to figure it out. I just replaced my timing chain. It did it before hand and afterwards. I replaced every bit of the assembly when I did. It only does it when I give it a certain amount of throttle tho. Say if I am going down the interstate in 5th gear and I am giving it enough throttle to keep speed it won't make the sound, but if I give it just a little bit more to speed up it will make it and then a little more past that it will be quite.
The video(quicktime): http://kglan.com/Tapping-knocking.3g2
Lets play name this sound!
Re: Lets play name this sound! (s13EastTN)
Not sure if it's just the quality of the video, but that sounds really bad to me. I can't tell what it would be though. I had a slight ticking in my old 240, but a connecting rod went before anythin in the head....
Well its been doing this for about a year now. That is honestly the worst it has ever sounded. Sometimes I can barely hear it at all (wet outside) but usually its a lot quiter than that. I really don't think it is a rod knocking or anything because that is what I thought at first, so I did every single check to listen and see what it might be, but listening to it to having mechanics listent to it, just proved it wasn't a rod.
Re: (s13EastTN)
I have that same problem as well as others. At around 2800 rpm my car will make a knocking noise and go away at about 3000 rpm. I think it's due to a bad connection at the CAT, I bottomed out pretty hard and it had a nasty effect.
Re: (s13EastTN)
When's the last you had a valve adjustment? If you're feeling ambitous you can measure your valve lash pretty easily with a feeler gauge.
Re: (s13EastTN)
The procedure is outline in both the FSM, and in the PDF instructions on Jim Wolff Technologies website(the one for KA24DE cam installation). Warm the car up, turn off, and remove the valve cover. Turn the engine enough for each of the cam lobes to un-depress the bucket. Just put different feeler gauges under the back side of the lobe untill the gauge slides in with slight resistance. Write all the values down. The tollerance is roughly 0.014" max for exhaust and 0.012" for intake. Don't quote me on that, they are different, but it's in that ballpark. If they're way out, you know it's your valves you're probably hearing.
It's a good tune-up item to do anyways. Easy to check, but the 'easiest' way to adjust is to remove the cams.
-Slip
It's a good tune-up item to do anyways. Easy to check, but the 'easiest' way to adjust is to remove the cams.
-Slip
Ok, well I haven't had a chance to check the clearances. I took it to advanced to get the feeler gauge but my good friend was there. I had him listen to it and after about 1 second of hearing the sound he was 100% certain it was the timing chain. This is what my local shop said too, about a year ago. But isn't the timing chain a slow process that builds up into this sound? Mine just started this after I got on it a little bit about the third day I had it.
But I listened to the mechanic the first time, so I replaced the timing chain and every single bit that went along with it. The second I drive it down the road it still makes the sound, and no difference at all. Could this really be it? Or are they confused.
But I listened to the mechanic the first time, so I replaced the timing chain and every single bit that went along with it. The second I drive it down the road it still makes the sound, and no difference at all. Could this really be it? Or are they confused.
is it coming from the front of the head or the back? if its the front, make sure the tech installed the damn chain guide in there. if its in the back, check ur 3rd cylinder for a messed up rocker arm/valve. Thats my best guess. as for the only happening at certain rpms, thats more than likely because that particular rpm happens to be how much force is needed to get whatever is jumping around jumping its hardest.