Knock on start up???

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Old Jan 1, 2013 | 03:47 AM
  #1  
NoName487's Avatar
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Default Knock on start up???

Hey guys, I drove to my cousins before newyears was there for a few hours and when i came out to leave (it was about 4am so it was probably 45 outside) I started my car and it made a strange ticking/knocking sound like something was loose. Then after about 15 sec it went away. I didn't think anything of it but I hoped it didnt come back. Yet, it did. I started to drive and about a block away from where I left, it started ticking at about 1,000-2,000 RPMs. If I revved it higher and started actually driving the sound would dim and even go away if i got to about 4k-5k. but Once i stopped at a light it would get loud again. It sounds like it's coming right from where the cam gears are on the right side of the motor (it's a B16A, which I probably should have mentioned earlier.)
ANY Info/advice on what to do or what it might be Would be VERY MUCH APPRECIATED. I don't want to have to scrap this motor for doing something stupid if it is a somewhat simple fix. THANKS and have a happy new year (Mine's not treating me too well )
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Old Jan 1, 2013 | 07:20 AM
  #2  
91 EF DX's Avatar
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From: lancaster, sc
Default Re: Knock on start up???

first things first, check the oil
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Old Jan 1, 2013 | 11:36 AM
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Default Re: Knock on start up???

The oil's fine. That's what I was HOPING it was, but it's not. Any other suggestions?
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Old Jan 1, 2013 | 02:29 PM
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From: Union, nj, 07083
Default Re: Knock on start up???

Maybe you should check and do a valve lash adjustment
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Old Jan 1, 2013 | 04:59 PM
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Default Re: Knock on start up???

Originally Posted by dc5itracer
Maybe you should check and do a valve lash adjustment
+1
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Old Jan 1, 2013 | 09:39 PM
  #6  
ef yu's Avatar
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From: in the land where we say hella.
Default Re: Knock on start up???

A lot of people have this problem with the earlier gens of the B16A. They are commonly caused by the "LMA" lost motion assembly. search it up.
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Old Jan 2, 2013 | 01:10 PM
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Default Re: Knock on start up???

i had that valve tickin
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Old Jan 2, 2013 | 05:08 PM
  #8  
working on 8sec's Avatar
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From: Hardeeville sc
Default Re: Knock on start up???

check your valve clarence you might even find that a locking nut or two are loose or even missing if thats the case you will need to find it possible to be in the oil pan
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Old Jan 7, 2013 | 12:23 AM
  #9  
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Default Re: Knock on start up???

Thanks for all the info and help guys! I took the valve cover off and it turned out to be that the exhaust cam gear's bolt was a bit loose and the washer was rattling like mad. Thanks for all your help though!!!
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