Small hole in exhaust

benni8

Active Member
Jun 19, 2018
38
8
Manchester
Hi All

Noticed a slight blow noise from my 1.4 Tsi 150 yesterday and found this.

Its bizarre as the hole looks drilled it's that perfectly round.
 

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SRGTD

Active Member
May 26, 2014
2,388
1,279
It’s been discussed on various VW forums as owners have noticed they have a similar small hole. It’s a condensation drain hole, so normal.
 

benni8

Active Member
Jun 19, 2018
38
8
Manchester
It’s been discussed on various VW forums as owners have noticed they have a similar small hole. It’s a condensation drain hole, so normal.

The bizarre thing is I noticed the blowing like it was a new issue.. it's never been as audible as it is now. When I cover it up with my finger the noise goes.

I was going to fill in with holts gun gum.. but it looked such a perfect hole I thought I would raise here first
 

SRGTD

Active Member
May 26, 2014
2,388
1,279
It’s normal on VW’s, so I assume it’s the same on Seat’s. Maybe other 1.4 150ps Leon owners will check their exhausts!

With it being such a uniform hole and not one that’s appeared as a result of corrosion, then it’s almost certainly meant to be there, so I wouldn’t block it up.