2004 V6 clicking or knocking noise Cam or lifters? - Drive Accord Honda Forums
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post #1 of 17 Old 02-23-2017, 03:45 PM Thread Starter
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2004 V6 clicking or knocking noise Cam or lifters?

Hello, I have a 2004 v6 coupe and I had some questions about it.

1. What is the stock exhaust size? I've been searching for it but I can't seem to find an exact answer I think it's 1.75 but im not sure.

2. I have a dead lifter (at least thats what I have been told) and it makes lots of noise and is very irritating, so I'm going to a junkyard to pull some new lifters, unless anyone can tell me its something different. I was thinking while I'm there I'd be interested in getting a j35 cam out of an old odyssey. I'm not looking for a lot of power just a little gain and I know the j35 cam is more aggressive. Is there anything else part wise that i could need to get to make it work? Maybe I need j35 lifters?

Thanks.
David.

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post #2 of 17 Old 02-23-2017, 04:42 PM
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There are no lifters on Honda V6 engines as these are overhead cams. So basically you have a cam with rocker arms, they are adjustable for clearance. So you should see if the noise is valve clearance that is to big or some other issue.

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post #3 of 17 Old 02-23-2017, 05:21 PM Thread Starter
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Then what would the noise be? At first I thought it was just the honda tick with lose or out of wack valves but its louder than typical valve clatter even after I've had honda re torque valve springs.
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post #4 of 17 Old 02-23-2017, 06:17 PM
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Perhaps a video of this "noise"- taken with your smartphone and posted here at DriveAccord, would be a "smart" move?
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post #5 of 17 Old 02-23-2017, 06:52 PM
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A recording would help, sounds like you had a valve clearance adjustment. I assume the clicking rises and falls with the speed of the engine?? Hard to diagnose noises from descriptions. It could be almost anything, timing belt idler, serpentine tensioner, rod bearing, main bearing.

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post #6 of 17 Old 03-17-2017, 01:10 PM Thread Starter
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https://goo.gl/photos/DuzzygvADwo5i2Fy9

Start up video and under hood video.
I can hear the valves but theres the other sounds as well.
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post #7 of 17 Old 03-17-2017, 01:48 PM
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Sounds normal to me, just needs a valve adjustment.

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post #8 of 17 Old 03-18-2017, 07:54 AM
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You didn't say how many miles are on it but based on the year, it's possible what you're hearing is the tell-tale sound of a timing belt getting ready to go. You don't want the timing belt to break on one of these engines.

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post #9 of 17 Old 03-20-2017, 07:47 AM Thread Starter
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I sounds worse when its a cold start. That was right after I had gotten home. I'll try again to get a sounds clip soon. It has 120k on it but the timing belt was done at about 96k. I've owned other v6 hondas but this is the first time I've heard of the timing belt making a sound.
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post #10 of 17 Old 03-20-2017, 02:14 PM
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could you just be paranoid? after all, that is so much quieter than the rattle-chain equipped 7G i4 cars.

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post #11 of 17 Old 03-20-2017, 02:46 PM
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Get a qt of Marvel Mystery Oil in there and run it til your next oil change. See if that shakes things up a bit.

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post #12 of 17 Old 03-20-2017, 03:15 PM
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But but but I thought the V6 cars never had any problems? @Jimimam

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post #13 of 17 Old 03-20-2017, 03:27 PM
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^ don't you have something to go repair on your i4? vtec gasket (again) perhaps.

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post #14 of 17 Old 03-20-2017, 04:20 PM
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Quote:
Originally Posted by jimijam View Post
^ don't you have something to go repair on your i4? vtec gasket (again) perhaps.
I need to lube the slider pins, but I'm waiting until I get new rear strut assemblies so I can rotate tires and bleed brakes and get it all done at once.

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post #15 of 17 Old 03-20-2017, 05:52 PM
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V6 owner here and I have the same ticking noise. It's more noticeable when the car is cold. I would try sea foam or marvel oil to see if the problem disappear. I brought my car in the dealer and they said the noise was pretty much normal. I doubt it would damage anything in your engine if you leave it, but a valve adjustment wouldn't hurt anything.


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