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Old 03-26-2006, 06:05 PM   #1
DANIMAL
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Clicking under the hood, 320i

Hey,

I was under the hood of my 320i the today while the car was running, and I heard a clicking nosie when I reved the engine. I located the clicking to be just underneath the valve cover at the front of the engine. Would this mean I have a problem with the Vanos unit or the timeing belt? any suggestions would be welcome. Thanks
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Old 03-26-2006, 06:06 PM   #2
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i think its your injectors
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Old 03-26-2006, 06:19 PM   #3
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I could actually feel the clicking if I placed my hand on the valve cover. Would injectors do that?
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Old 03-26-2006, 07:57 PM   #4
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On an E36 I think I remember hearing of this being a possibility if you are a little low on oil, check it out and top off a little either way.
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Old 03-26-2006, 11:56 PM   #5
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Valves....
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Old 03-27-2006, 12:08 AM   #6
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Its The Lifters, I Had That Happen To Me (325i Motor) When The Car Was Low On Oil, Its Not Ur Injectors. Pour In A Litre Of Oil Or So And Give It A Min Or So As Well. Noise Will Go Away, It Would Happen To Me When I Would Be A Lil Low On Oil And High On The Rev's. The Harder U Drive It On Low Oil The LoUder It Will Sound, Peace!
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Old 03-27-2006, 12:25 AM   #7
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Cool, I will try topping up the oil and ill let you know. If it is the oil, any ideas on where it could be leaking?

I have never left any oil spots anywhere I have been. I replaced the valve cover gasket because it was leaking but no visible oil since then. When I did my last oil change there was roughly (my estimate) only 5 liters maybe less. There is also no smoke cloud behind my car when it is idleing or driving. So I have no idea where it could be going, but it is obvious its leaking somewhere.
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Old 03-27-2006, 02:02 AM   #8
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^Yuppurs Stuttgart is right about the lifters. And I don't know a whole lot about the 320 engine specifically as opposed to any other E36 engine but for most E36 engines it's not all that strange to be down a liter or so if you dont top up any between oil changes. So if you think you had in the 5-5and a bit area, sounds about right.
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Old 03-29-2006, 06:01 PM   #9
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Update

So I topped up on oil, it was a fair bit low, about 1.5L with still 1000km before i actually needed to change the oil (I do it every 5000kms is this standard for BMW's?) and it sorta supressed the clicking, it is not to as violent but it is still there. I think it is actually at the very front-left of the engine just under the valve cover, or possibly in the head. Any Ideas?

Thanks
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Old 03-30-2006, 12:05 AM   #10
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timing chain ..does it make that noise when its could only or all the time ?
is it above a certain rmp range ?
if the timiing chain guide is worn it would rattle the chain
my 320 is doing that only then its cold tho (gonne put new guides in soon tho )
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Old 03-30-2006, 05:03 PM   #11
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It happens all the time, not just when it is cold. It also is not that apparent all the time, it gets louder and faster after I open the throttle body to rev the engine though.

Last edited by DANIMAL; 03-30-2006 at 05:05 PM.
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Old 03-31-2006, 12:14 AM   #12
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is might still be the chain but ....take it to the stealers ...pay the 100bucks
and they will tell u what the noise is ... otherwise u'll be smashing head trying to find out ...
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