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Sort of a Knock sound while letting out clutch,,, What could it be???

 
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Old 11-04-2007, 03:50 PM
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Sort of a Knock sound while letting out clutch,,, What could it be???

Well it only happens when it is cold it seems. When I start letting out the clutch in 1st right at the very end of the clutch release I hear a slight knock sound. I think it might be throw out bearing. However I have a receipt from the previous owner (just bought the car last month) from the dealer that replaced the clutch about 3,000 miles ago. Now unless the clutch was the only thing that was replaced and not the pressure plate and bearing. Has anyone had same problem or know what it could be any advice would be great because I would hate to tear out the tranny and it not be the problem.

Thanks
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Old 11-06-2007, 02:23 AM
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I had that happen the other day for the first time...it was 35 degrees out. Anyone know what it is?? It was only at full clutch release for 1st gear
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Old 11-06-2007, 05:43 AM
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its knock sound but not a clicking sound and it only does it once hmm. Im clue less. maybe its the throw out but I wouldnt think so with the clutch just being put in ( oh and if the dealer put it in i got the plate and throw out put in, you know dealers always get as money as they can )
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Old 11-06-2007, 09:01 AM
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mine occationally makes a whining sound like when you have a tired power steering pump and you crank the wheel all the way over.
it only does it when i first let the clutch out in first, soon at it starts to roll it goes away. it doesn't do it everytime (it seems to have a sence for when the most embarassing time is like at car shows). it's done it for a year, car doesn't act or feel any different just the noise. BTW mine's a Type SH how about the others?
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Old 12-29-2007, 12:45 PM
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Took me a while to find my post on this. Found on page 5. Well I finally figured it out what was making the noise. My front motor mount is like totally gone the rubber that is the bolt housing was moving back and forth making the metallic knocking sound. Check this out with yours Mbuti as well maybe the same problem. Now I know what caused the hole in flex pipe of my exhaust. Thats probably been working back and forth for some time now making the hole larger.

With everyone's experience with worn out motor mounts, is it usual for the front one to go bad and the others to be ok? I probably should replace them all.

Does anybody have a good site or know where to find stock replacement mounts, I don't have a motor swap or anything I still have the original H22A4 in my 1997 Prelude S. Thanks
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Old 01-01-2008, 10:06 PM
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When did you get a noise and what did it sound like? Mine is only when I have a rough clutch release, so I guess that would make sense for me, too, since 1st gear has the most power.
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Old 01-01-2008, 11:07 PM
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With everyone's experience with worn out motor mounts, is it usual for the front one to go bad and the others to be ok? I probably should replace them all.
my front one on my auto 4th gen went bad and the others were fine...it was around $72 at advanced auto...ive been told they go bad from hard acceleration. my car bucked when i put it in D and when it shifted but when i changed the mount it was smooth
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Old 01-02-2008, 01:03 PM
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Well it seems my front mount is okay, the one in question is the rear. But its so hard to see with that huge bracket in the way I can see the rubber surround of the mount to see if it needs replacement, I guess I will have to remove it to see. I found one for $41.00 at a place called Bumper to Bumper.
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Old 01-02-2008, 01:40 PM
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Mine has the same knocking when letting off the clutch. My front mount is brand new with the traction bar system so i'm pretty positive the rear mount is torn. Once I get some money i'm gonna get ESP's motor mount kit.
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Old 01-02-2008, 02:31 PM
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The knocking noise you hear when your release the clutch is the throw out bearing.

#1 in the pic in the link provided below.

http://www.slhondaparts.com/browse.a...ViewParts=true


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Old 01-02-2008, 05:22 PM
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hm, i wonder if my rear mount is bad because my car still shifts a little hard
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Old 01-02-2008, 07:40 PM
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Thanks Honda4Life but it had a new clutch kit put in at Brown Honda in Charlottesville, VA about 4K miles ago. Orginal owner took this car to the dealer for everything, which is good but expensive.

I'm not too sure but I think release bearing or through out bearing would be making noise idling also its more of a rattling noise. This is just a metalic knock, like the center shaft bolt thru the motor mount rocking back and forth in the mount due to loss of rubber. I'd like to find a polyurethane set of mounts. I havn't confirmed if it's the rear mount or not yet. I was going out today but the wind was blowing so hard and with the windchill it was about 6-8 degrees outside today. I need a garage, bad.
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Old 01-06-2008, 07:50 AM
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I know my throwout bearing is heading south, but I still think my motor mounts are shot, sorry to thread jack but what do you think Mike?
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Old 01-06-2008, 10:40 AM
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I had that happen the other day for the first time...it was 35 degrees out. Anyone know what it is?? It was only at full clutch release for 1st gear
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Well it only happens when it is cold it seems. When I start letting out the clutch in 1st right at the very end of the clutch release I hear a slight knock sound. I think it might be throw out bearing. However I have a receipt from the previous owner (just bought the car last month) from the dealer that replaced the clutch about 3,000 miles ago. Now unless the clutch was the only thing that was replaced and not the pressure plate and bearing. Has anyone had same problem or know what it could be any advice would be great because I would hate to tear out the tranny and it not be the problem.

Thanks


IF your Thowout Bearing is the problem, you will physically feel it in the pedal when you press the clutch. Since you only hear in it 1st gear, that would only makes sense that the bearing is crapping out on you. The other gears have enough momentum to where the stress is reduced significantly off the bearing which could prevent it from doing its rubbing/knocking. Also even if the clutch has been replaced those bearings can go out at anytime. Especially if the mechanic didn't use the specified Honda super-high temp urea grease that cakes the bearing. When I changed my clutch I noticed the old Throwout was dry as a bone, had dents in it, and was rattling. If your clutch is running thin, there will be a TON of dust form the disc inside which is more than likely to get inside the bearing as well.

For those of you with the motor mount issue...what year is your car?
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Old 01-06-2008, 12:25 PM
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1997 base model. They have held up for 10 years I guess it wouldn't hurt to replace them. As for happening only in first it doesn't. Seems to be getting worse with car in 2 nd I can accelerate hard and hear the knock sound rolling no use of clutch, so I am 100% sure its the motor mounts. (which one? I'll get back with you on that one once I find out)
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Old 01-06-2008, 01:31 PM
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don't forget to check the tranny mount too behind the battery. I wouldn't think your mounts would be that shot unless you are driving that car into the dirt though. if your symptoms are getting worse and there is no use of the clutch your release bearing is prolly fine. are "feeling" the knocking and hearing it?
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Old 01-06-2008, 01:50 PM
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When i let the clutch go slowly in first i also hear a knock, but just a single knock. But i realized it usually happens in the cold...
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Old 01-12-2008, 11:07 AM
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When i let the clutch go slowly in first i also hear a knock, but just a single knock. But i realized it usually happens in the cold...
Yep same exact thing with mine. I didn't notice it at all until the first part of cold weather came about. My brother had a 02 RSX Type S and he has been experiencing close to the same thing and found his motor mount at the timing belt cover was eaten all away. So after he replaced it, no more knock. So I am really sure we are experiencing motor mount problems.
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Old 01-15-2008, 06:48 PM
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when i let my clutch out in 1st i hear a kinda grinding sound and it kinda sounds like a wheel bearing going bad or some thing any 1 got any clue wat that could be
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Old 01-15-2008, 09:29 PM
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A grinding sound or more like a clicking sound? Just wondering, because if its clicking then its your CV Joints. Grinding I think there is another post here in the 5th Gen. section thats talks about this exact problem. I think the post is called Grinding Noise. Good luck
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