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the knocking noise from my motor...plz help

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Old 12-05-2007, 02:01 PM
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the knocking noise from my motor...plz help

heres the video of what the noise is... its knocking and i have no clue what it is...please help

people have told me

Sticky Valve
Spun Bearing
blown motor...obviously not
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Old 12-05-2007, 02:28 PM
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damn

rod bearins i think
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Old 12-05-2007, 02:53 PM
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rod bearings, careful soon a rod or two will search for freedom and give your block a new window.

My 4th gen sounded exactly like that, but I bought it cheap for that reason. Now I just need time to put the new engine in.

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Old 12-05-2007, 03:12 PM
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Man that sounds bad...119K isnt even that much

Time for a new motor

-matt
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Old 12-05-2007, 08:26 PM
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rod bearing...worth fixing or not? how much approx
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Old 12-05-2007, 08:32 PM
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Any oil in there?
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Old 12-05-2007, 08:34 PM
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theres a retarted amount of oil in the motor...cause my oil pan has a bit of rust so i hafta add oil every 1.5 weeks...the oil is pretty high...only thing i did was mix 5w with 10w cuz autozone said thats ok
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Old 12-05-2007, 08:45 PM
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yea man that sounds baaddd

sure you didnt drop any pebbles in the crankcase?
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Old 12-05-2007, 09:44 PM
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Originally Posted by ROCKART
yea man that sounds baaddd

sure you didnt drop any pebbles in the crankcase?
i doubt he did....hope NOT
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Old 12-05-2007, 10:05 PM
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just give it a few good hard revs...somethings bound to give =]
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Old 12-06-2007, 05:37 AM
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wow dude, dont go driving that car, AT ALL!!! jebus!!! and revving that thing will kill it eventually, and dont listen to auto idiots please, they know nothing about our cars...... go to a shop and get a professional opinion fron someone who knows.
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Old 12-06-2007, 06:47 AM
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i need someone who has had the same problem or who knows for real... its a 95 gle 5 speed. new starter/knock sensor/timing belt and more...so everything else runs fine except that knocking noise...at first i thought it was my short ram banging. but if anyone knows for sure what it is plz tell me...only thing im happy about in that video is how sexy my HID's look
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Old 12-06-2007, 06:49 AM
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if i really need a new motor then where can i get one?
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Old 12-06-2007, 06:58 AM
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Originally Posted by showdown
theres a retarted amount of oil in the motor...cause my oil pan has a bit of rust so i hafta add oil every 1.5 weeks...the oil is pretty high...only thing i did was mix 5w with 10w cuz autozone said thats ok
What the ****? What happened was that you ran low on oil at one point and the bearing went bad because it didn't have any oil.

You can get a new motor at car-part.com
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Old 12-06-2007, 08:24 AM
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dot worry bro, connecting rod bearings always have this weird tendancy to smooth themselves out lol
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Old 12-06-2007, 09:23 AM
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Originally Posted by Qbridg3
What the ****? What happened was that you ran low on oil at one point and the bearing went bad because it didn't have any oil.

You can get a new motor at car-part.com
i dont think i ran low on oil...i check it everyday and it says its high...
the night that it happened...i had ran the car pretty hard...because i was at a party and someone threw a bottle at my friends car because we kicked him out of the party...so as he sped off...he deciced to throw a bottle at my boy chris's 99 civic...i was sitting in my car right behind the bottle thrower and then chris hopped in my car and i chased the dude down...maybe that had something to do with it?
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Old 12-06-2007, 09:23 AM
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Originally Posted by QNO_A32
dot worry bro, connecting rod bearings always have this weird tendancy to smooth themselves out lol

so are you saying that this is temporary?
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Old 12-06-2007, 11:02 AM
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Wow. You do know putting to much oil in your car is a lot worse than running it low. Not good.

We have a timing chain, not belt.
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Old 12-06-2007, 11:23 AM
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Originally Posted by showdown
so are you saying that this is temporary?
no you just through a rod bearing, and if you keep driving it like that you rod will shoot right through the block

i remember someone on the .org was driving on the highway and his rod shot right through the block

heres the aftermath

http://youtube.com/watch?v=13pHcp7Xs9Q
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Old 12-06-2007, 11:47 AM
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Not temporary. TERMINAL. It does sound like a bearing is bad though and no, it is not going to get better.

Not sure which bearing it is and it's not terribly critical to know which one. I believe a teardown is how it gets fixed, no matter which one it is anyway.

It might run like that for a month, maybe a couple if it is babied. Could be a week or the next time you drive it.

Got any idea why the chk. eng. light is on? It might offer a clue as to what made a 119K engine go south like that. That you have to add oil that often is also a clue and it sounds like knowledge of engine maintenance may not be a familiar topic in this case.

I would start (now) looking into replacement engines from reputable sources and stay on this board to get information about the routine maintenance the new/replacement engine will require. The owners manual has some basic info, and you'll have good questions to ask after you read it.

As for fixing or not, the engine cost to replace -vs- the repair cost will tell you which way to go....however keep in mind that there's risk in either chioce with a used replacement engine and LOTS of labor costs involved in either decision.

Laboe costs will be high (8-14 hrs?), no matter what you do here.

I would first figure out if I liked the car enough to keep it and then see if I have the funds for a remanufactured engine (with warranty). If not, I would seek out the lowest mileage junked Maxima or I30 I could find for the lowest price (nearby) and have a reputable shop replace it. (Even then....there's no promise that it had been well taken care of.)

Beware that if you decide to sell the car, you will take a severe financial hit because of the condition of the engine.

Sorry to "hear" about your issue. Good luck with that...
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Old 12-06-2007, 12:14 PM
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time for a 3.5 swap......
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Old 12-06-2007, 12:32 PM
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the check engine light is on because i just had a starter and knock sensor replaced about 2 weeks ago and the mechanic told me it takes a while to reset itself to turn off...idk...i was even thinking to swap to 3.5 ...might as well
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Old 12-06-2007, 12:34 PM
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a friend of mine's dad has an engine crane and will do it for cheaper than if i did it at an average shop. so either way im gonna pay less than i would at a shop
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Old 12-06-2007, 01:04 PM
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Good to hear! That's reasonable info on the CEL. It took me about 15 days of routine driving.

IDK if the 3.5 will bolt up without mods but maybe someone will chime in & say...

It might even be in the stickies.
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Old 12-06-2007, 07:23 PM
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yeah go check the stickies out or try www.vqpower.com theres plenty of info on how to swap a 3.5 motor and it is a direct drop..
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