Clickin, Tapping, Knocking? WTH is it
Clickin, Tapping, Knocking? WTH is it Im not sure if you can hear it on this video(most noticeable 14secs-19secs). Its not like its a loud obvious noise. I can hear it and the time in between tapping increases when I push the pedal. Ive done as much research as I could, so now I am posting.
p.s. This was recorded from my phone so the sound quality is iffy
http://youtu.be/MKk2vuqfW8A
*updated video* http://youtu.be/1IIs-XnzT3I
p.s. This was recorded from my phone so the sound quality is iffy
http://youtu.be/MKk2vuqfW8A
*updated video* http://youtu.be/1IIs-XnzT3I
Last edited by SoCalCal; May 31, 2011 at 05:34 PM. Reason: video link
TECH Regular
Joined: Apr 2011
Posts: 441
Likes: 0
From: Deep in the heart of Texas
It doesn't sound like a rod but you never changed rpms on the motor.
Knocking is usually something deep in the motor going south like a rod or main bearing, piston slap or connecting rod issues.
Tapping is usually valvetrain issues. Rocker arm, lifter. Exhaust leaks can sound alot like a lifter or rocker problem.
Clicking could be an injector noise which may not be a problem at all.
Post the problem again with a better camera and change the engine rpm's so the problem is more audible.
Knocking is usually something deep in the motor going south like a rod or main bearing, piston slap or connecting rod issues.
Tapping is usually valvetrain issues. Rocker arm, lifter. Exhaust leaks can sound alot like a lifter or rocker problem.
Clicking could be an injector noise which may not be a problem at all.
Post the problem again with a better camera and change the engine rpm's so the problem is more audible.
It doesn't sound like a rod but you never changed rpms on the motor.
Knocking is usually something deep in the motor going south like a rod or main bearing, piston slap or connecting rod issues.
Tapping is usually valvetrain issues. Rocker arm, lifter. Exhaust leaks can sound alot like a lifter or rocker problem.
Clicking could be an injector noise which may not be a problem at all.
Post the problem again with a better camera and change the engine rpm's so the problem is more audible.
Knocking is usually something deep in the motor going south like a rod or main bearing, piston slap or connecting rod issues.
Tapping is usually valvetrain issues. Rocker arm, lifter. Exhaust leaks can sound alot like a lifter or rocker problem.
Clicking could be an injector noise which may not be a problem at all.
Post the problem again with a better camera and change the engine rpm's so the problem is more audible.
I dont hear it much....I looked at youtube videos of lt1s knocking and it sounds nothing like that. I know its coming from the lower section of the engine. I can barely hear it under the hood
Trending Topics
TECH Enthusiast
Joined: Aug 2010
Posts: 543
Likes: 0
From: New Hampshire
I've also herd that a leaking exhaust manifold can sound like a ticking noise.
.02
LS1 Tech Stories
The Best V8 Stories One Small Block at Time
Topdon ONE vs. Artidiag 800 BT2: Which is the Diagnostic Tablet For You?
Pouria Savadkouei
Gas Monkey Built a 6-Wheel Ferrari Testarossa With a Corvette LT4 Engine
Verdad Gallardo
7 Most Reliable High-Performance Engines GM Has Ever Built
Verdad Gallardo
Amazing '71 Camaro Restomod Is Modern Muscle Car Under the Skin
Verdad Gallardo
6 Common C5 Corvette Failures and What's Involved In Repairing Them
Pouria Savadkouei
Retro Modern Bandit Pontiac Trans AM Comes With Burt Reynolds' Autograph
Verdad Gallardo
Top 10 Greatest Cadillac V Series Performance Models Ever, Ranked
Pouria Savadkouei
Top 10 Most Powerful Chevy Trucks Ever Made!
Hennessey's New Supercharged Silverado ZR2 Has 700 HP
Verdad Gallardo
Registered User
Joined: May 2011
Posts: 3
Likes: 0
TECH Regular
Joined: Apr 2011
Posts: 441
Likes: 0
From: Deep in the heart of Texas
Yeah if it was a rod bearing stacked or a wrist pin problem there'd be little question. I noticed headers in your video, check the collector gaskets if the noise is more audible down there under the car. High temp Permatex copper sealant on the header collector. then a new gasket then more copper sealant on the exhaust flange should correct the problem.
TECH Enthusiast
Joined: Sep 2008
Posts: 681
Likes: 0
From: Watertown, WI
Check your header gaskets. When I installed my longtubes and the paper gaskets that came with it started making a ticking noise, because they they burnt up. People on this forum thought it was a valvetrain tick but it was just the passenger side header gasket. I expected the worst, but it turned out to be not a big deal.
Check your header gaskets. When I installed my longtubes and the paper gaskets that came with it started making a ticking noise, because they they burnt up. People on this forum thought it was a valvetrain tick but it was just the passenger side header gasket. I expected the worst, but it turned out to be not a big deal.
http://youtu.be/1IIs-XnzT3I
new video. Im thinking its an exhaust leak...but not sure... thanks for the help guys
new video. Im thinking its an exhaust leak...but not sure... thanks for the help guys
TECH Regular
Joined: Apr 2011
Posts: 441
Likes: 0
From: Deep in the heart of Texas
Check the oil for glittery metallic bearing material just for piece of mind. Drain a little into a jar. Has the noise been getting worse? Watch for a change in the normal oil pressure range from before the sound started. Hope it's just an exhaust leak. But the rattle sounds alot like a rod bearing when the motor rpms are coming up from idle. Hope I'm wrong. At 16 through 22 seconds you seem to really be able to hear at off idle
Last edited by 93 LT1 Vette; May 31, 2011 at 06:23 PM.
Check the oil for glittery metallic bearing material just for piece of mind. Drain a little into a jar. Has the noise been getting worse? Watch for a change in the normal oil pressure range from before the sound started. Hope it's just an exhaust leak. But the rattle sounds alot like a rod bearing when the motor rpms are coming up from idle. Hope I'm wrong. At 16 through 22 seconds you seem to really be able to hear at off idle
Hope it an exhaust leak 