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Username Post: 2015 Impala Cold Air Intake Squeaking Sound        (Topic#372446)
MichaelP 
Newbie
Posts: 2

Reg: 01-23-23
01-23-23 12:25 PM - Post#2853655    

I have a 2015 Chevy Impala LT. I recently changed the air intake hose since the old one was completely cracked. I also changed my air filter because the old one was full of gunk. Once I made the changes I started to get a loud wheezing sound from the front part of my engine. There is a smaller hose that connects from the intake hose to the front of the engine and once I remove that hose, the wheezing goes away immediately and once I put that hose back on, the wheezing persist. I thought it was a bad air filter and I swapped it out with another one and had the same wheezing issue. Looking online, I got too many variable answers from the Idle Air Control Valve, PCV Valve to the entire throttle body itself. Can you please help?



 




Shepherd 
Valued Contributor
Posts: 2799

Loc: Lake George, NY
Reg: 11-11-15
01-23-23 01:07 PM - Post#2853656    
    In response to MichaelP

Welcome to the forum. If this did not occur before the changes you made, it sounds like there is a small leak somewhere in the intake components, probably before the throttle body, a small orifice would account for a slight whistle at idle or steady throttle. Tough diagnosis from here.



 
MichaelP 
Newbie
Posts: 2

Reg: 01-23-23
01-26-23 08:51 AM - Post#2853774    
    In response to Shepherd

Thank you for the input Shepherd. A mechanic friend ending up finding out what the issue was. The Air Intake Hose that I bought at Autozone (Dorman) was defective. My friend made some slight modifications to the inlet and the sound went away. Serves me right for not buying OEM parts. I appreciate your answer.



Edited by MichaelP on 01-26-23 08:52 AM. Reason for edit: No reason given.

 
Tony 
Founder & Grand PoohBah
Posts: 18932
Tony
Age: 66
Loc: Georgetown, Texas
Reg: 03-15-99
01-27-23 07:47 AM - Post#2853813    
    In response to MichaelP

Sounds like Shep nailed it!!

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Edited by Tony on 01-27-23 07:47 AM. Reason for edit: No reason given.

 




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