valve train noise
10-28-2004, 09:21 PM
#1
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valve train noise on my 00 z28 i recently had a bogging problem and found a broken valve spring, i fixed that and drove it around the block and its making the same noise, the video is below, if anyone could tell me what it is i would greatly appreciate it.,
http://home.comcast.net/~88monte/MOV01063.MPG
http://home.comcast.net/~88monte/MOV01063.MPG
10-29-2004, 12:47 AM
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Originally Posted by HAUS1
Bump for a reply. help this guy out!
10-29-2004, 12:53 AM
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Originally Posted by silverZ98
check all the other springs and all the push rods closely. just a thought
Eddie
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10-29-2004, 01:29 AM
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Sounds like it might be a lifter.
When the spring broke, do you know if the valve came in contact with the piston? If so your problems may very well extend beyond the valvetrain. Can you determine exactly where the ticking is coming from? Whenever i am trying to determine where a tick is coming from i find it helpful to listen through a broom stick or screw driver. It allows you to listen to only a certain area, and it eliminates excess noise.
When the spring broke, do you know if the valve came in contact with the piston? If so your problems may very well extend beyond the valvetrain. Can you determine exactly where the ticking is coming from? Whenever i am trying to determine where a tick is coming from i find it helpful to listen through a broom stick or screw driver. It allows you to listen to only a certain area, and it eliminates excess noise.
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10-29-2004, 10:22 PM
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Originally Posted by BlueSix
Sounds like it might be a lifter.
When the spring broke, do you know if the valve came in contact with the piston? If so your problems may very well extend beyond the valvetrain. Can you determine exactly where the ticking is coming from? Whenever i am trying to determine where a tick is coming from i find it helpful to listen through a broom stick or screw driver. It allows you to listen to only a certain area, and it eliminates excess noise.
When the spring broke, do you know if the valve came in contact with the piston? If so your problems may very well extend beyond the valvetrain. Can you determine exactly where the ticking is coming from? Whenever i am trying to determine where a tick is coming from i find it helpful to listen through a broom stick or screw driver. It allows you to listen to only a certain area, and it eliminates excess noise.
10-30-2004, 03:25 AM
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Originally Posted by 88monte
the valve did not come in contact with the piston, its comming from what sounds like under the intake manifold.
If it really isn't a valve making the noise than a lifter could definantly be causing it, but it seems like there would be some play with the pushrod for the lifter in question when the lifter was on the cam base circle
11-01-2004, 07:45 PM
#11
You've still got the noise? That does sound alot like mine did, but obviously not the same problem. Check your rockers. My bro's gp was making a noise kinda like that and one of his rockers was hitting the valve cover. Look at the inside of the cover and see if there are any knicks or scrapes.
11-02-2004, 12:22 AM
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Originally Posted by gettinthere
You've still got the noise? That does sound alot like mine did, but obviously not the same problem. Check your rockers. My bro's gp was making a noise kinda like that and one of his rockers was hitting the valve cover. Look at the inside of the cover and see if there are any knicks or scrapes.
oh well its winter time... time for some stuff to put on it.... i have to take the upper half apart anyway... i checked the valve cover and all the rockers are tight and no scrapes. so im thinking its a lifter noise.
11-02-2004, 12:35 AM
#13
Originally Posted by 88monte
yeah the noise is still there and the car runs like ****.
oh well its winter time... time for some stuff to put on it.... i have to take the upper half apart anyway... i checked the valve cover and all the rockers are tight and no scrapes. so im thinking its a lifter noise.
oh well its winter time... time for some stuff to put on it.... i have to take the upper half apart anyway... i checked the valve cover and all the rockers are tight and no scrapes. so im thinking its a lifter noise.
Process of elimination my man. Either has to be a valve or lifter. That broken spring probably didn't do you any favors either.
