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Author Topic: ticking noise  (Read 14847 times)

kowalski

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ticking noise
« on: March 17, 2006, 07:09:56 PM »
so i'v had this ticking noise for quite some time, about since i rebuilt my head i guess it would be. so almost a year... its never been bad, i thought it may have been a small intake leak, or sticky lifter. its intermittent, doesn't matter whether its warm or cold. it will do it at high rev's or low. i put a stethiscope on it and i can hear it most in the intake, used to not be able to hear it in the valve cover but now i can a little bit. what are your guys thoughts on this? what do you think it is?

edit: i'v replaced the timing chain tensioner as well FYI.
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dude8383

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ticking noise
« Reply #1 on: March 17, 2006, 07:21:16 PM »
im thinking that this ticking is the same thing i have. i replaced my chain tensioner as well but the ticking came back after some time. its probably the guides...most likely worn just like mine. how many miles on your engine?
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kowalski

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ticking noise
« Reply #2 on: March 17, 2006, 07:27:10 PM »
Quote from: dude8383
im thinking that this ticking is the same thing i have. i replaced my chain tensioner as well but the ticking came back after some time. its probably the guides...most likely worn just like mine. how many miles on your engine?

300,000 km's :) or 186,000 miles.

so you think its the guides eh? well that should be a fun weekend job. somthing new!

edit: if it was the guides shouldn't i hear it in the valve cover, and the block more then in the intake? that doesn't make sence to me...
also it did it before i swapped in the 19# injectors.
« Last Edit: March 17, 2006, 07:29:27 PM by kowalski »
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dude8383

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ticking noise
« Reply #3 on: March 17, 2006, 07:37:23 PM »
record a sound bite if you can of the noise. do you hear it outside without having to use the stethiscope?
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kowalski

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ticking noise
« Reply #4 on: March 17, 2006, 08:04:58 PM »
Quote from: dude8383
record a sound bite if you can of the noise. do you hear it outside without having to use the stethiscope?

yeah. its fairly loud, and the noise level varries as well. some times its pretty damn loud, others times its completely gone, or just faintly noticable. i don't have anything that will record the sound at the moment, but depending on the computer i pick up tomorrow i might be able too.
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bmwman91

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ticking noise
« Reply #5 on: March 17, 2006, 08:17:22 PM »
Could be a lifter (or multiple).  While they DO self-adjust for lash, they can also become worn and noisy.  Now, if they were replaced during your head rebuild, then who knows.
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kowalski

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ticking noise
« Reply #6 on: March 17, 2006, 09:00:34 PM »
Quote from: bmwman91
Could be a lifter (or multiple).  While they DO self-adjust for lash, they can also become worn and noisy.  Now, if they were replaced during your head rebuild, then who knows.

no they wern't replaced durring the rebuild. i checked them all and they were all fine. but i didn't mark each one by accident... so i think it might be the problem. i'v got a couple spares in my room (about 16:)) so im gona try those at one point when i feel like taking a cam out...
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bmwman91

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ticking noise
« Reply #7 on: March 17, 2006, 09:21:32 PM »
Yeah, could be it.  Injector tick is another thing that is possible, and is not a sign of anything bad.  It IS annoying...makes me feel like I am driving some poorly maintained old POS...or at least I am afraid that's what other folks would think when they heard the ticking.  Oh well, it happens.  Good luck!
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kowalski

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ticking noise
« Reply #8 on: March 17, 2006, 09:24:42 PM »
Quote from: bmwman91
Yeah, could be it.  Injector tick is another thing that is possible, and is not a sign of anything bad.  It IS annoying...makes me feel like I am driving some poorly maintained old POS...or at least I am afraid that's what other folks would think when they heard the ticking.  Oh well, it happens.  Good luck!



haha yeah, i know its nothing bad its just getting on my nervs now, and i feel like im driving a P.O.S when it does that..:( what causes injector tick? cause thats what i really think it is. its really loud in the intake...
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bmwman91

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ticking noise
« Reply #9 on: March 17, 2006, 09:29:26 PM »
It is just the little olenoids popping open & closed.  Maybe they get noisier over time as they wear, who knows.
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kowalski

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ticking noise
« Reply #10 on: March 17, 2006, 10:18:21 PM »
Quote from: bmwman91
It is just the little olenoids popping open & closed.  Maybe they get noisier over time as they wear, who knows.


your on here more often then i am!
how come some injectors arenoisier then others then? and why does it go away... oh too many questions, i have 2 extra injectors so perhaps ill try mix and matching.
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Eurospec

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ticking noise
« Reply #11 on: March 17, 2006, 11:29:56 PM »
My car exhibits a ticking noise as well. Just like you explained, at times it gets quite loud. I'll try and record a sound clip tomorrow for comparison.
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Zoso

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ticking noise
« Reply #12 on: March 18, 2006, 09:39:29 AM »
Mine ticks too and I requested replacing the hydraulic lifters in the DIY section.

Before you open up the engine, try using a lighter engine.  Try 5W-30 or 0W-30 synthetic.  It may burn off quicker (if your engine burns oil), that is the downside.
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thumper3ld

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ticking noise
« Reply #13 on: March 18, 2006, 10:25:53 AM »
Shit, I guess its an m42 thing. I hear ticking on mine as well.
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bmwsmurf

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ticking noise
« Reply #14 on: March 21, 2006, 11:05:53 AM »
I just picked up a 318is w/156k miles.  I replaced the timing tensioner and changed the oil to Valvoline Max 10W-40 which seemed to help, and it got quiet for a little while and now it's loud as heck again.  Can hear it several feet away from the car.  Sounds like either the injectors or valves.  I'm going to try to get a sound clip... let's post some up and compare :)
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