Yes I am noise obsessed, but anything that is "outside of normal" is wont to draw my attention. This car's fairly quiet, but it does make some really unique sounds that I was not expecting (the DI engine sounds almost diesel-y at idle).
It's going to require a bit of volume and probably headphones - it sounds almost like light knock, but it does not correlate to engine rpm at all and only occurs when stopping.
I did not originally think brakes because I haven't been hearing any squealing, but I just read in a post here that our stock pads don't have tattlers on them, so there won't be a squeal to tell me they're tapped out.
https://youtu.be/KH-AGexvMgg between 0:06-0:09, that rattling sound behind the road noise. It does get louder at some times, but not enough that I can reproduce it easily.
For a while I was worried it was engine related, but since the car runs flawlessly otherwise and I cannot reproduce the sound with it sitting statically, I do not believe so.
I have ordered rotors and front pads anyways because I'll need to replace them eventually. I've exercised my split-half troubleshooting methodology to eliminate variables and come up with consistent "steps to reproduce", outlined below.
I gathered data from 47 trips in the car spread across 22 days, refined into the below dataset. I suppose it *could* be my front pads are gone, but if so its the oddest brake grinding I have ever heard, and its crazy quiet for grinding brakes. It's more of a tapping or light knocking than a scrape, but I've been wrong before.
Variables
1. Only at temperatures above 65f.
2. The car must be up to temperature, does not do it when completely cold.
Steps to reproduce
- Be driving, roll to a stop.
Induced variables
\ In gear or out of gear, does not matter.
\ Clutch in, clutch out, does not matter.
\ Does not relate in any way to engine RPM.
\ Does not occur under hard braking.
\ Does occur if I stop on a downhill, let the car get up to speed via gravity only and come to a gentle stop. Did not test with engine off though.
\ I do not feel it through the clutch or brake pedal, but I do kinda feel it through the steering wheel. I do not feel any "pulsing" like I would with a warped rotor.
Have also noticed
\ Car occasionally makes a snapping or sharp banging sound when backing up a hill (driveway) as the weight transfers during clutch engagement.
\ It has been getting slowly louder.
\ It was much louder when I had my Cobb RMM installed.
\ Rotors do not appear to be grooved at all, though there is a bit of a lip on the outside edge.
\ Crappy mileage; ~21mpg.
I'm going to try to swap pads and rotors this weekend if my pads from whoosh get here in time, otherwise I might just go grab some stock pads at the dealer to get it done.
It's going to require a bit of volume and probably headphones - it sounds almost like light knock, but it does not correlate to engine rpm at all and only occurs when stopping.
I did not originally think brakes because I haven't been hearing any squealing, but I just read in a post here that our stock pads don't have tattlers on them, so there won't be a squeal to tell me they're tapped out.
https://youtu.be/KH-AGexvMgg between 0:06-0:09, that rattling sound behind the road noise. It does get louder at some times, but not enough that I can reproduce it easily.
For a while I was worried it was engine related, but since the car runs flawlessly otherwise and I cannot reproduce the sound with it sitting statically, I do not believe so.
I have ordered rotors and front pads anyways because I'll need to replace them eventually. I've exercised my split-half troubleshooting methodology to eliminate variables and come up with consistent "steps to reproduce", outlined below.
I gathered data from 47 trips in the car spread across 22 days, refined into the below dataset. I suppose it *could* be my front pads are gone, but if so its the oddest brake grinding I have ever heard, and its crazy quiet for grinding brakes. It's more of a tapping or light knocking than a scrape, but I've been wrong before.
Variables
1. Only at temperatures above 65f.
2. The car must be up to temperature, does not do it when completely cold.
Steps to reproduce
- Be driving, roll to a stop.
Induced variables
\ In gear or out of gear, does not matter.
\ Clutch in, clutch out, does not matter.
\ Does not relate in any way to engine RPM.
\ Does not occur under hard braking.
\ Does occur if I stop on a downhill, let the car get up to speed via gravity only and come to a gentle stop. Did not test with engine off though.
\ I do not feel it through the clutch or brake pedal, but I do kinda feel it through the steering wheel. I do not feel any "pulsing" like I would with a warped rotor.
Have also noticed
\ Car occasionally makes a snapping or sharp banging sound when backing up a hill (driveway) as the weight transfers during clutch engagement.
\ It has been getting slowly louder.
\ It was much louder when I had my Cobb RMM installed.
\ Rotors do not appear to be grooved at all, though there is a bit of a lip on the outside edge.
\ Crappy mileage; ~21mpg.
I'm going to try to swap pads and rotors this weekend if my pads from whoosh get here in time, otherwise I might just go grab some stock pads at the dealer to get it done.
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