Hissing sound when engine is turned on

Shronco

Badlands
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Clubs
 
Hi,

I'm hearing this hissing noise every time I turn on the engine and continues to go during the drive. It only stops when the engine is turned off. I just picked up the my bronco from dealership today, didn't notice it when I was at the dealer location.

Anybody having a similar issue, or any idea what could be causing this sound? I'm planning on calling the dealership, but I don't know what to expect.

Thank you for any comments/input.


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Ford Motor Company

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Hi,

I'm hearing this hissing noise every time I turn on the engine and continues to go during the drive. It only stops when the engine is turned off. I just picked up the my bronco from dealership today, didn't notice it when I was at the dealer location.

Anybody having a similar issue, or any idea what could be causing this sound? I'm planning on calling the dealership, but I don't know what to expect.

Thank you for any comments/input.
Hello! Send us a private message with your VIN and the name and location of your local Ford dealer. I’d be happy to see what I can do to assist with this noise concern. Thanks!
 

BTomorama

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Do you hear it especially loud when accelerating?

Check to see if the rubber plug on the engi e firewall is missing. It's in the engine bay, driverside firewall.

20211111_093933.jpg
 
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Shronco

Shronco

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Hello! Send us a private message with your VIN and the name and location of your local Ford dealer. I’d be happy to see what I can do to assist with this noise concern. Thanks!
I just sent a message, Thank you and I appreciate it.
 
Last edited:
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Shronco

Shronco

Badlands
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ML 350
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Badlands
Clubs
 
Do you hear it especially loud when accelerating?
No, the noise is clearly heard as soon as the engine is turned on, I don't even have to drive the car. In fact when I drive, I hear it lesser as I guess because of other driving noise.
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