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Air intake manifold swollen with air

Tiny
SEBCOZ777
  • MEMBER
  • 2002 SEAT TOLEDO
  • 2.3L
  • VR5
  • 2WD
  • MANUAL
  • 75,000 MILES
Guys, I got a strange one. Whenever I push the gas quickly I hear a hissing sound and it looks like the air intake fills with too much with air (don't think that's normal). It's really hard to describe in words but a video tells the whole story. :)

https://youtu.be/GrMa46DahYI


The car is European (Seat Toledo - 2002) but the engine is the same one as you have on the VW Golf 2.3 V5 170 bhp
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Sunday, December 23rd, 2018 AT 1:29 AM

3 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,885 POSTS
Hi and thanks for using 2CarPros.

That is an interesting one. Just for curiosity, where does the PCV connect to the intake on this vehicle?

Let me know.

Joe
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Sunday, December 23rd, 2018 AT 6:26 PM
Tiny
SEBCOZ777
  • MEMBER
  • 2 POSTS
Hi Joe,

Good question! :) I didn't know I have one and it's the first time I hear about PCV. I had a read now about what this valve does and it does sound like a good suspect to me. Now I need to locate where and it. I will get back to you.
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Monday, December 24th, 2018 AT 12:08 AM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,885 POSTS
A PCV draws crankcase pressure from inside the engine and allows it to be reburned in the combustion chamber. It is basically a release point for the crankcase. Just for the heck of it, start the engine with the oil fill cap off. That will release crankcase pressure. See if that makes a difference.
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Monday, December 24th, 2018 AT 5:52 PM

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