Rattling Noise on Car near the Foot Pedal

Since very end of last trip to Redwoods National Park/Oregon Coast, I felt some metal is clicking when vehicle’s speed is increased, but immediately disappear after the speed is up and more painfully irregularly.

So much of our freak-o-meter went up, the unlimited search on youtube was on. Metal Noise (when speed is up), Metal scratching when speed is increasted etc.. , then every different ones were suggesting break pad problem, transmission problem etc,.

Data science kicked in with extremely mental hypothesis testing ‘Does it make noise when it is uphill or downhill’, ‘Does it make noise when road surface is not bumpy or not’, then one great clue I landed was ‘It always sounds at 20MPH -40MPH. However, that theory was broken when I was testing on freeway it made a noise again around 60 MPH as well. Ah…

At the end of lengthy period of hypothesis testing, came to conclusion this mostly happens when RPM is passing thru 2,000-2,500 and less in the morning; especially when engine works one more step. Then I searched the web and youtube to learn this is more likely the problem of heat reflection metals around the exhaust system getting aging and loose and the vibration from the engine is making it “rattle” – glad it was not a break nor transmission problem ๐Ÿ™‚

Went to auto repair shop, and the mechanic simply screwed in one screw piece in the gap at the surrounding cover parts near the engine (Catalyst) and it was fine. His suggestion was using this as molding is the ultimate solution but it will be costly and time consuming ๐Ÿ™‚

However, that patch didn’t last long, and about a week later started to hear the rattling again. So decided to go more permanent solution.

So crazy DIY kicked in –

Ordered a ‘ramp’ as I don’t have the jack (and I have been in the need of something to put my car up for other reasons)

Looked at the area where the screw-patch was on – clearly gone ๐Ÿ˜ฆ

So followed one of the videos suggesting using the metal clamp to hold the covering tight – some suggested zips but clearly got to know that won’t last at here as it was extremely hot with simple driving.

At the end, when the ramp and metal round clamp arrived, put the car on the ramp, dig thru under the car (first time using the back to move around after highschool’s military training class) put two clamps with painful arms with the hope at least one will resolve.

At the end – perfect solution. The rattle is gone now, (although hurt my eyes as particle dust from the car hit my right eye; continuously pumping tears for few hours. (+ countless attempt to wash out with tons of water :))

์˜ค๋””์„ธ์ด๊ฐ€ ์ง€๋‚œ ์—ฌํ–‰ ๋ง๋ฏธ์— ์‹œ์• ํ‹€ ๋‹ค์™€์„œ ์ข€ ๋ฐŸ์•„์ฃผ๋ฉด ๋œจ๋ฅด๋ฅด๋ฅด ๋“œ๋ฅด๋ง๊ฑฐ๋ฆฌ๊ธฐ ์‹œ์ž‘ํ•˜๋‹ค๊ฐ€ ๋ฐ”๋กœ ์ž ์ž ํ•ด์ง€๋Š” ์†Œ์Œ์„ ๋‚ด๊ธฐ ์‹œ์ž‘ํ•ด์ฃผ์…จ๋‹ค.. ์•„ ์’ธ…์ด๊ฑฐ ๋ธŒ๋ ˆ์ดํฌํŒจ๋“œ ์†Œ๋ฆฌ๋Š” ์•„๋‹Œ๋ฐ ํŠธ๋žœ์Šค ๋ฏธ์…˜์ด ๋‚˜๊ฐ„๊ฑด๊ฐ€ ๊ฑฑ์ • ํ•œ๊ฐ€๋“ํ•˜๋˜ ์ค‘.. ์ด์„ฑ์„ ๋˜์ฐพ๊ณ  ์ˆ˜๋งŽ์€ ์œ ํˆฌ๋ธŒ ๋น„๋””์˜ค๋“ค์„ ์ฐพ์•„๋ณด๊ณ  ๊ฐ€์„ค์„ ๊ธฐ๋ฐ˜์œผ๋กœ ํ…Œ์ŠคํŠธ๋ฅผ ์ด๋ž˜์ €๋ž˜ ํ•œ ๊ฒฐ๊ณผ.. ์†๋„๊ฐ€ 20 MPH๋ฅผ ์ง€๋‚˜๊ฐ€๋ฉด ๋‚˜๋Š”๊ตฌ๋‚˜ ์‹ถ์–ด์„œ ๋” ํ…Œ์ŠคํŠธ๋ฅผ ํ•ด๋ณธ ๊ฒฐ๊ณผ ๊ณ ์†๋„๋กœ์—์„œ 60MPH๋ฅผ ์ง€๋‚ ๋•Œ๋„ ๊ทธ๋Ÿผ์„ ๋ฐœ๊ฒฌํ•˜๋ฉด์„œ OTL..

๋‹ค์‹œ ์ •์‹  ์ฑ„๋ฆฌ๊ณ  ๊ณฐ๊ณฐํžˆ ํ…Œ์ŠคํŠธํ•ด๋ณธ๊ฒฐ๊ณผ ์ด๊ฑด ์†๋„๊ฐ€ ์•„๋‹ˆ๋ผ ์—”์ง„ RPM์ด 2000-2500๊ตฌ๊ฐ„์—์„œ ๋ฐœ์ƒํ•œ๋‹ค๋Š”๊ฑธ ๋‹ค์‹œ ํ™•์ธ (๊ทธ๋ž˜์„œ 60MPH ์ฆˆ์Œ์—๋„ ๋ฐœ์ƒํ•˜๋Š” ๊ฑฐ์˜€์Œ) ๋™๋„ค ์นด์„ผํƒ€์— ๊ฐ€์ ธ๊ฐ€์„œ ๋ฌผ์–ด๋ณธ ๊ฒฐ๊ณผ ๋ฐฉ์—ดํŒ์ด ์˜ค๋ž˜๋˜๊ณ  ๋Š์Šจ+์œ ๊ฒฉ์ด ์ƒ๊ธฐ๋ฉด ์—”์ง„์˜ ๋–จ๋ฆผ์ด ๋ฐฉ์—ดํŒ/์ปค๋ฒ„์— ์ „๋‹ฌ๋˜๋ฉด์„œ ์†Œ์Œ์ด ๋ฐœ์ƒํ•˜๋Š”๊ฑธ๋กœ ๊ฒฐ๋ก ์„ ๋‚ด๋ฆฌ๊ณ … ์šฉ์ ‘์„ ํ•˜๋ฉด ์‹œ๊ฐ„๊ณผ ๋ˆ์ด ๋งŽ์ด ๋“œ๋‹ˆ ๊ทธ๋ƒฅ ๊ณ ์ •์‹œ์ผœ์ฃผ๋Š” ๋‚˜์‚ฌ ํ•˜๋‚˜ ๋ผ์›Œ์ฃผ๋Š”๊ฑธ๋กœ ํ•ด๊ฒฐํ•˜๊ณ  ์™”๋‹ค..:)

ํ—ˆ๋‚˜ ์ผ์ฃผ์ผํ›„ ๋‹ค์‹œ ์†Œ์Œ ๋ฐœ์ƒ.. ์•„๋งˆ๋„ ๊ทธ ๊ณ ์ •๋‚˜์‚ฌ๊ฐ€ ๋น ์กŒ๊ฒ ๋‹ค ์‹ถ์–ด์„œ ๋” ์•ˆ์ •์ ์ธ ์†”๋ฃจ์…˜์„ ํƒ์ƒ‰ํ•˜๊ธฐ ์‹œ์ž‘ํ•œ ๊ฒฐ๊ณผ… ๋Š์Šจํ•ด์ง„ ๋ฐฉ์—ดํŒ ์ฃผ์œ„๋ฅผ ์‡ ๋กœ ๋งŒ๋“  clamp๋กœ ๊ฐ์•„์ฃผ๋ฉด ๋œ๋‹ค๋Š” ๋น„๋””์˜ค๋ฅผ ๋ฏฟ์–ด๋ณด๊ธฐ๋กœ ํ•˜๊ณ …์ฐจ ๋ฐ‘์— ๊ธฐ์–ด๋“ค์–ด๊ฐˆ ์ˆ˜ ์žˆ๋Š” ramp๋„ ์ฃผ๋ฌธํ•ด์„œ clamp์™€ ๋„์ฐฉํ•˜๊ธธ ๊ธฐ๋‹ค๋ฆฌ๊ธธ ๋ช‡์ผ… ๊ฒฐ๊ตญ ramp์™€ clamp๊ฐ€ ๊ฐ™์ด ์™€์„œ ๋ฐ‘์œผ๋กœ ๋“ฑํฌ๋ณต(๊ตฐ๋Œ€๋„ ์•ˆ๊ฐ„ ๋‚œ ๊ณ ๋“ฑํ•™๊ต ๊ต๋ จ์‹œ๊ฐ„ ์ดํ›„๋ก  ์ฒ˜์Œ..ใ…Žใ…Ž) ์„ ํ•˜๋ฉด์„œ ๊ธฐ์–ด๋“ค์–ด๊ฐ€ ๊ทธ๋•Œ ๋ฐ•์€ ๋‚˜์‚ฌ๊ฐ€ ๋น ์ ธ์žˆ์Œ์„ ํ™•์ธํ•˜๊ณ  clamp๋ฅผ ๋‚‘๋‚‘๊ฑฐ๋ฆฌ๋ฉฐ ๊ฐ์•˜๋‹ค.. (๋“ฑ๋Œ€๊ณ  ๋ˆ„์›Œ์„œ ์†๋“ค๊ณ  ๋ฒŒ์„œ๋Š” ๊ตฌ์กฐ๋กœ30๋ถ„..ใ…Žใ…Žใ…Ž)

ํ•˜ํ•„ ์ž๊พธ ๋จผ์ง€๋ฉ์–ด๋ฆฌ๋“ค์ด ๋–จ์–ด์ ธ ์˜ค๋ฅธ์ชฝ ๋ˆˆ์— ๋“ค์–ด๊ฐ€ ๊ฐœ๊ณ ์ƒ์„ ํ–ˆ์ง€๋งŒ ๊ฒฐ๊ตญ clamp2๊ฐœ ๋‹ฌ์•„์ฃผ๊ณ  ํ…Œ์ŠคํŠธ ๊ฒฐ๊ณผ…์กฐ์šฉ…. ๋ˆˆ๋ฌผ์ด ์ฃผ๋ฅด๋ฅต ํ๋ฅธ๋‹ค.. (ํŠนํžˆ, ๋จผ์ง€ ๋“ค์–ด๊ฐ„ ์˜ค๋ฅธ์ชฝ ๋ˆˆ…ใ… .ใ…œ)

๊ฒฐ๊ตญ ํ•ด๋ƒˆ๋‹ค…ใ…Žใ…Ž ์ด ์ค‘๊ณ ์ฐจ ๋น„์‹ผ ์‹œ๊ตญ์— 4๊ฐœ์— 5๋ถˆ์งœ๋ฆฌ clampํ•˜๋‚˜๋กœ ํ•ด๊ฒฐ…ใ…Žใ…Žใ…Ž


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