EGR leaking coolant

Bigsidavies

Retired
VCDS User
VIP Member
T6 Legend
There is a coolant leak from the rear of my egr cooler.. It’s hard to explain where, but I’ll try. On the rear of the cooler is a casting which appears bolted to the main cooler body. This has a sensor wire and a couple of pipes to it and the rear egr pipe.
In this casting is a small (manufactured) hole about 4 or 5mm. Coolant is leaking out of there. Anyone know what should be in there? Or what’s behind it?
VW had a look yesterday and they are going to ‘investigate further’ when it goes in for a service next Friday.
So I’m trying to work out exactly what it is before I’m met by their barrage of BS.
Forewarned is fore armed and all that.
 
Looking from the rear this is the hole (circled) that the fluid is coming from.9B9D942E-D0CB-4D2D-9C92-72CBB9386BC7.jpeg
 
@Bigsidavies would you mind updating this poll, please?
 
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