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Author Topic: Valve Adjust Time ?  (Read 7549 times)
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Antoni0_23
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« on: September 12, 2009, 03:21:52 PM »
Hey guys. Me again. I noticed that my car in the morning makes almost no noise when it's cold but when it starts to get warmer and eventually gets to temperature I hear a loud clack clack clack noise and it's like metal againts metal. Does my engine need to adjust the valves or is this normal? I really don't know much about the past life of my car since it was preowned and I got it at 64k. My car now has reached 71k and I know the book says not to adjust until 105k or until it gets loud but I really have no reference to what is loud and what is normal. Can someone upload a short vid on how a healthy j30 should sound like or guide me in the right direction? Thanks for your time!
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NVA-AV6
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« Reply #1 on: September 12, 2009, 04:53:27 PM »
If it was valve noise it would actually get quieter with heat not louder. Sounds more like piston slap.....
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wtcii
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« Reply #2 on: September 12, 2009, 08:46:18 PM »
What is piston slap? I think I may be thinking of something else but I would have thought it would've been quieter as the engine got warmer because the piston expands reducing the space between. But, then again I have no clue what I am talking about and you know everything you are talking about.
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Quote from: timot_one on November 17, 2010, 05:48:35 PM
I guess he has money to burn.  I'd rather waste my money on parts that actually make my car faster, hookers, and drugs.  Fucking amateurs.   :Smiley
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« Reply #3 on: September 12, 2009, 09:16:49 PM »
Piston slap will get quiter briefly, but then get louder agin as the block and sleeves catch up on the expanson.
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Antoni0_23
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« Reply #4 on: September 12, 2009, 09:40:30 PM »
If it were piston slap what could have caused it ? Also which test do I need to do to see if it is piston slap or another thing ? Paul could you post a vid of what a healthy j30 sounds like  if it is not much trouble ? Thanks again for your responses.
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NVA-AV6
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« Reply #5 on: September 12, 2009, 10:21:34 PM »
Give me a few days, LOL, I have nothing eveny remotely sounding like a stock J30 right now....
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Antoni0_23
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« Reply #6 on: September 13, 2009, 04:40:45 PM »
Well I found a vid. My engine sounds pretty similar to this one :



It's the clack clack clack clack clack clack continuous sound .
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« Reply #7 on: September 13, 2009, 04:46:50 PM »
At least from the vid it doesn't sound too wierd.
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Antoni0_23
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« Reply #8 on: September 13, 2009, 06:34:46 PM »
So are J series supposed to be this loud ? I will still make the vid of my engine but it sound very similar to that one .
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« Reply #9 on: September 13, 2009, 08:24:57 PM »
It is very difficult to judge sound without it being live, unless it is extreamly bad.
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Antoni0_23
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« Reply #10 on: September 22, 2009, 04:01:49 PM »
Well here is how my engine sounds ...

Any ideas?
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« Reply #11 on: September 22, 2009, 06:04:06 PM »
A good valve adjustment should help, I don't hear anything outragous, but agin without hearing in person I can't be sure.
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« Reply #12 on: September 22, 2009, 08:05:16 PM »
Thanks Paul. If I run the car like this for a little bit more can it cause any type of damage ?
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« Reply #13 on: September 22, 2009, 08:20:41 PM »
It doesn't sound like it is that bad yet.
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« Reply #14 on: July 20, 2011, 05:51:53 PM »
I read somewhere that the J30's don't need valve adjustments?  I guess it's not true.

I'm almost at 60K miles.  I think I may do one.  Is there a "how to" for this?
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