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pkolaboy
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124 posts [100%]
pensacola florida
8-3-2007
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| « Re: cant tell if its a rod knock im lost... (preludeboybmw) | « » 1:40 AM 5/12/2008 |
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its more likely not a rod knock if its not knocking constantly...when i had my rod knock it did it constantly... i would just check your spark plugs and everything like that... also when your rod knocks, you can not tell where its coming from because its loud....try posting a video of it..
No Matter How Hard I Try... old Betsie Just Wont Let Me Win...  WTB: 1. Driver's side door lock assembly
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Hawkze_2.3
NIN
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8498 posts [100%]
Further down the spiral TX
1-8-2004
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| « Re: cant tell if its a rod knock im lost... (preludeboybmw) | « » 1:46 AM 5/12/2008 |
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Is it an obvious knock sound or is it more of a tick sound?
95 Prelude -Blue, black, gray primer, carbon fiber, Bondo 
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no1knows908
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389 posts [100%]
N.O. Louisiana
6-27-2007
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| « Re: cant tell if its a rod knock im lost... (pkolaboy) | « » 1:47 AM 5/12/2008 |
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Almost 100% sure you just need a valve lash adjustment. If it's coming from right under the VC then that's most likely it. A valve adjustment should be part of your major tune-up procedures.
WTB: 4th Gen 5 speed H22 gauge cluster.
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preludeboybmw
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162 posts [100%]
cranston rhode island
7-13-2007
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idk its not like a tap like a loud idk like something is loose or not tight all the way, when u rev it up is when u hear it clear after 1500 or soo but its not too loud at idle u can bearley hear it , ill try to post a video
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Hawkze_2.3
NIN
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Further down the spiral TX
1-8-2004
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Yeah I agree it's probably loose valves. Do a valve adjustment and it should get better 
95 Prelude -Blue, black, gray primer, carbon fiber, Bondo
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preludeboybmw
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162 posts [100%]
cranston rhode island
7-13-2007
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well its constant when u leave it at certain rpm , tomarrow ima see if it needs to be adjusted
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Hawkze_2.3
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8498 posts [100%]
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| Quote, originally posted by preludeboybmw » | | well its constant when u leave it at certain rpm , tomarrow ima see if it needs to be adjusted |
How are you going to do that? You have feeler gauges and a Helms manual? 
95 Prelude -Blue, black, gray primer, carbon fiber, Bondo
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Mykizism
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1550 posts [100%]
Garage Park htx
9-8-2002
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its most likely rod knock, if you cant hear it at idle.. but hear it while driving..does the sound change when the throttle % is changed? ie no noise at 0% throttle input.. then you can hear the sound around 30-50% throttle also does it sound like as if you have a exhaust leak? but only sometimes.?? if so.. its most likely rod knock.. rod knock also means ur bearing is gone.. which means you`ll need to rebuild.. and get a new crank.. do not regrind a stock crank.. the surface are heat treated to make it hardned..
Garage Park
1995 Nissan 240SX
1999 Prelude Turbo
2006 Acura TL - Navigationhttp://www.honda-tech.com/zerothread/1673078 5th Gen Engine bay shave
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preludeboybmw
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162 posts [100%]
cranston rhode island
7-13-2007
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yeah i got the manual lol , and tomarrow ima have my buddy bring over the feeler guage
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preludeboybmw
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162 posts [100%]
cranston rhode island
7-13-2007
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well no one knows wtf it is , he said maybe oil pump he dont know nither , heres some videos i found this wat it almost sounds likehttp://youtube.com/watch?v=lNM...lated http://youtube.com/watch?v=2P7...lated
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Mykizism
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1550 posts [100%]
Garage Park htx
9-8-2002
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thats sounds like rod knock to me man
Garage Park
1995 Nissan 240SX
1999 Prelude Turbo
2006 Acura TL - Navigationhttp://www.honda-tech.com/zerothread/1673078 5th Gen Engine bay shave
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98vtec
Modur8er
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11834 posts [101%]
Tallahassee Florida
10-22-2002
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sounds like piston slap or rod knock. and why are you posting nissan related stuff in the prelude forum?
H23vtec / Rosko Racing / Mykizism FAB - 210whp/175tq
Blakes Wiki| Quote, originally posted by Combustion Contraption » | | i am going to beat you up if i ever meet you |
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Hawkze_2.3
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Yeah, those videos sound worse than valves ticking for sure...
95 Prelude -Blue, black, gray primer, carbon fiber, Bondo
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preludeboybmw
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162 posts [100%]
cranston rhode island
7-13-2007
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im showqing you guy wat noise it makes in the videos...
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pkolaboy
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124 posts [100%]
pensacola florida
8-3-2007
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lol wow... if your car makes the sound like that nissan does than thats a big prob....
No Matter How Hard I Try... old Betsie Just Wont Let Me Win... WTB: 1. Driver's side door lock assembly
2. Short shifter
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94vtecmn
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557 posts [100%]
Stevens Point WI
4-17-2003
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I can't open the video to hear it now, but what you are describing may be the LMA's making noise. If its up top on the motor, could be it.
94 VTEC All Motor
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93sivtec
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690 posts [94%]
redding ca
5-7-2006
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If it sounds like its coming from inside the valve cover.....its valve lash.And just so u know u can feel a rod knock in the gas pedal,and its constant,not periodicly.
93si Jdm h22
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BB1LOViN
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385 posts [97%]
4-10-2007
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not sure if it applies for you but my h22a1 used to make a knocking sound like that only around 2500rpms. it turned out to be my timing belt tensioner.
"once you've HAD VTEC, it sucks not having it."
1994 BB1 Prelude Vtec ...(vtec-less currently)
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Sampsonite987
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436 posts [100%]
Lees Summit MO
2-4-2003
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I think I know what noise you are talking about. My H22 makes a similar noise when it is cold and at low rpm. I am due for a valve adustment and I will see if that clears up my problem.
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