HELP! Cold start rattling sound when press throttle.
HELP! Cold start rattling sound when press even 1% throttle.
I heard a weird noise coming in my engine. sounds like rattling sound whenever i press slightly the gas pedal after 10mins driving sounds still there but not too loud. noticeable when cold start. doesn't matter if on parked or drive. whenever i press the gas pedal like 1% - 5% throttle I heard a rattling sound but not too loud. its like a chain or something. Rattling sound is very constant even 1000 RPM or 4000 RPM still the same rattling sound. It stops when I am not pressing the gas pedal. Direct injectors - have been replaced 2 months ago. Major Service - Done last year. (90k kms) Now I have 115k kms (Change oil done last week) I have attached a sound clip which I found it from FRS owner before. Similar sound.:brokenheart: https://www.youtube.com/embed/5QEXtIxD10U |
Sounds like the skid plate underneath the car is loose or flapping against something. Did you go under the car to make sure the plates down there isnt a missing bolt?
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Any modifications to the exhaust on your car?
Have you checked your oil level since doing the oil change?! |
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Either a skid plate or heat shield got bent/loose somehow. |
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Before Oil change sound is there so I think I am getting a low oil level, and its time for a service (115k kms) now I change oil and check levels are good. But still the rattling noise still there. |
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Tried aswell to turn of AC but still sound is there. |
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Seems interesting, though, that it is a consistent rattle and equal across the various RPM range. If it is as you describe of course. Makes me question whether it could even be a rattle coming from any bent heat shields or other materials under there. As RPM changes, the vibration should change tone or consistency as well. Maybe not though, as I don't know what else it could possibly be besides something simple like a rattle. When did this start and was it sudden or did it get louder over a period of time to where you were really noticing it.
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Open up your hood and have somebody else start your car. Peek in there with a flashlight and see if you are able to see anything. Checking the under panels/splash guards when the rattle is most noticeable (cold starts) might be your best bet. Good luck hope it's nothing serious.
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rattling that isnt heat shields?
pulley? belt? tensioner? do you have one of those stupid grimmspeed tooltray things? are you missing a bolt? |
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Check your a/c compressor or alternator for loose/missing/ or broke hardware. If not that make sure your heat shields, and exhaust hanger by the transmission bell house to insure its tighten down |
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1 day it was 45C then suddenly next day is winter. 18C and below. It gets louder tho when cold start. Which for sure a new rattle sound I observe since 4 years driving the 86. |
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