rattling from the bottom end
#1
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rattling from the bottom end
when i start my car and im siting next to a wall or something for the sound to bouce off of, i can hear what sounds to be a rod ratteling. but after i drive it i cant hear it anymore. and if i pop the hood and listern i cant hear it from the top. its very weird and not very loud. but my warranty on my jdm motor just expired so now im kinda paranoid. my buddys 99si kinda did, but not nearly as loud. does anyone else ever notice this or is this just kind of a honda thing. i dont know. and theres no metal in the pan or anything like that. just kinda worried. anyone?
#2
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Re: rattling from the bottom end (a1320honda)
i have no heat sheilds. its definatly in the bottom part of the crankcase. i searched and everyone is saying its heatshields, but i have none.
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Re: rattling from the bottom end (a1320honda)
i have the same problem on my crv for some reaso nat cold starts i hear minor knock but once the motor is warmed up it goes away...and ive check everything under the hood... hopefully its nothing major " actaully i kinna do .. makes me have a reason to sleeve the b20 and build it for a bit more power LOL"
ive also read that it might be a spun rod bearing too :\
ive also read that it might be a spun rod bearing too :\
#5
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Re: rattling from the bottom end (ShowTymers619)
well....i hope that its not a spun bearing. but i would think that for as long as its been doing it and as many times as its been to 7500 rpm. it wouldve left the pieces on the ground.
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Re: rattling from the bottom end (ShowTymers619)
my z6 does this too some of my friends think its a bad crank bearing, but it drives normal and hasnt had any problems at 7500 rpm, etc? it kinda sounds almost like a pulley noise but they are all aligned and tight, Im kinda paranoid too
#9
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Re: rattling from the bottom end (ShowTymers619)
I have the same problem. But mine is the heat shield. I don't have the bottom half around my cat and the top half is rattling. I also heard it could be the cat itself. Don't know if there is any truth to that though.
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Re: rattling from the bottom end (2000Pimpinex)
im pretty sure mine isnt the heat shields cause ive had them all checked and tightened, like i said it sounds like a pulley noise, whats a wrist pin? and what would you check/replace for that?
#11
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Re: rattling from the bottom end (DelSolSi93)
the wrist pin is what connects the rod to the piston. you need to pull the motor apart for that
#13
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Re: rattling from the bottom end (ShowTymers619)
is this something i should take seriously, or should i be ok as long as i dont drive it hard when its cold
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Re: rattling from the bottom end (a1320honda)
2 of my friends that have ex's had similar noises recently. they both turned out to be spun rod bearings i know you didn't wanna hear that...sorry
#15
Re: rattling from the bottom end (2000Pimpinex)
I Have a rattling noise on my civic too that just began to happen after I installed my new cat, I took the heat shields off and it helped but it is still rattling on something Id be interested to know whats wrong with yours let me know when you figure it out... btw do u have a new cat on your honda?
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