CLUNK Clunk clunk noise.. help
06-11-2023, 09:53 AM
#32
Instructor
Thread Starter
the noise only happens over a bump. There is a louder clunk and then a few quieter ones. Imagine a loose piece of metal vibrating against the bodywork, over a large bump it bangs on the side of the car and then a few more times until it settles again. … that’s how it sounds. On smooth road there is no clunking at all.
06-11-2023, 09:54 AM
#33
Instructor
Thread Starter
06-11-2023, 10:01 AM
#34
RL Community Team
Rennlist Member
Rennlist Member
I agree with Rob.
Grab the end of the exhaust with your hand and shake it up and down and left and right. Does it bang at all.
Grab the end of the exhaust with your hand and shake it up and down and left and right. Does it bang at all.
06-11-2023, 10:39 AM
#35
Instructor
Thread Starter
06-11-2023, 10:43 AM
#36
Instructor
Thread Starter
Does the "tapping brake while in D at low speed makes clunk" point to something? help narrow it down?
I just tried rotating the half shaft and its rock solid. Parked in D, back up on ramps.
I just tried rotating the half shaft and its rock solid. Parked in D, back up on ramps.
06-11-2023, 11:47 AM
#37
Rennlist Member
the noise only happens over a bump. There is a louder clunk and then a few quieter ones. Imagine a loose piece of metal vibrating against the bodywork, over a large bump it bangs on the side of the car and then a few more times until it settles again. … that’s how it sounds. On smooth road there is no clunking at all.
Good luck with the investigation.
06-11-2023, 02:40 PM
#38
Team Owner
So the real question did you try to tighten the CV bolts and the axle nut?
06-11-2023, 02:59 PM
#39
Rennlist Member
I almost laughed when I read this post. Too many of us here already know that when a problem arises after you just did something to the car it is clearly related to what you just did. DUH!
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M. Requin (07-08-2023)
06-11-2023, 04:36 PM
#40
Rennlist Member
Just to make sure we are on the same page here regarding testing the exhaust's clearance...
When you test the movement of the exhaust, you must put a LOT of force on it, like if you're doing bench-pressing, almost.
Take those exhaust tips and FORCE them to the front of the car and then back. Do the same upwards.
When I FORCED mine side-to-side, an S4, and I muscled it, only then did I get the clunk - I couldn't believe it when it finally happened.
I wasted a whole year on diagnosing it because I was essentially just poking at it.
If ithe noise started after the new exhaust was installed, more than likely that's your smoking gun.
When you test the movement of the exhaust, you must put a LOT of force on it, like if you're doing bench-pressing, almost.
Take those exhaust tips and FORCE them to the front of the car and then back. Do the same upwards.
When I FORCED mine side-to-side, an S4, and I muscled it, only then did I get the clunk - I couldn't believe it when it finally happened.
I wasted a whole year on diagnosing it because I was essentially just poking at it.
If ithe noise started after the new exhaust was installed, more than likely that's your smoking gun.
Last edited by SwayBar; 06-11-2023 at 04:38 PM.
06-11-2023, 05:25 PM
#41
Instructor
Thread Starter
Just to make sure we are on the same page here regarding testing the exhaust's clearance...
When you test the movement of the exhaust, you must put a LOT of force on it, like if you're doing bench-pressing, almost.
Take those exhaust tips and FORCE them to the front of the car and then back. Do the same upwards.
When I FORCED mine side-to-side, an S4, and I muscled it, only then did I get the clunk - I couldn't believe it when it finally happened.
I wasted a whole year on diagnosing it because I was essentially just poking at it.
If ithe noise started after the new exhaust was installed, more than likely that's your smoking gun.
When you test the movement of the exhaust, you must put a LOT of force on it, like if you're doing bench-pressing, almost.
Take those exhaust tips and FORCE them to the front of the car and then back. Do the same upwards.
When I FORCED mine side-to-side, an S4, and I muscled it, only then did I get the clunk - I couldn't believe it when it finally happened.
I wasted a whole year on diagnosing it because I was essentially just poking at it.
If ithe noise started after the new exhaust was installed, more than likely that's your smoking gun.
I'll try again, but the new exhaust hangs lower than the orignal and its quite clear of everything - and the noise was there before I did the exhaust.
06-11-2023, 05:26 PM
#42
Instructor
Thread Starter
06-11-2023, 05:28 PM
#43
Instructor
Thread Starter
06-12-2023, 05:06 AM
#44
Burning Brakes
If you are casting the net wide then i would also include checking the gearbox mounts and also rear tailgate latch/adjustment and tailgate bumper pads
Last edited by C531XHO; 06-12-2023 at 05:08 AM.
