Air noise when engine is switched off

S

Stueyboy43

Member
Hi all

I have tried to search for the sound my engine makes but couldn't find anything that matched, so apologies if this has been discussed before.

When I turn my engine off it has started to make a few noises round the air box, a few different suction noises.

I cannot remember this happening until recently.

My car is at RBM next week and wondered if anyone would know what it could be from experience, so I can pre plan for any work to be done.

Here is a link to a video of what is happening.

https://youtube.com/shorts/gJVIDarsUcc?

Edit: forgot to say its an 03 2.5i

Thanks for reading

Stu
 
Both of mine did/do that

I think it’s the vacuum coming off the DISA valve when the engine stops

Unless someone says otherwise I think it’s ok?
 
bigwinn said:
Both of mine did/do that

I think it’s the vacuum coming off the DISA valve when the engine stops

Unless someone says otherwise I think it’s ok?
Click to expand...

Thanks Bigwinn

If it is the Disa valve I already have that being replaced next week

Cheers

Stu
 
It's just the vacuum, mine does it. It's far more noticeable with a big cine filter too. Should be nothing to worry about, my disa has been rebuilt.
 
I had some air noises which went on for a while after ignition off. It was an air leak that was sorted after I replaced the pcv valve and associated hoses.
 
Jamturbo said:
I had some air noises which went on for a while after ignition off. It was an air leak that was sorted after I replaced the pcv valve and associated hoses.
Click to expand...

Thank you, will get them looked at as well

Cheers

Stu
 
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