Hole in engine casing?

[JamieC]

Hi,

First time post.
Just crawled under my 2016 T6 as loosing coolant very slowly and wanted to see if I could spot where it was coming from before booking in to a garage and noticed a small hole by one of the bolts on the underneath of the engine / gearbox where I can see a cog.
It looks like it’s meant to be there, and everything is running fine.
Just curious if it is normal as to me it seems odd.
Bear in mind I am not a mechanic and have all my work done in a garage, I’m a curious electrical engineer so feel free to have a good chuckle at my expense if I have just asked the most obvious thing in the world to someone who knows what they are looking at!

 

[Niall.b]

that's the ring gear on the flywheel

 

[Kind of Blue]

that's the ring gear on the flywheel

I suppose that is near enough to the bottom looking at the image but still one wonder if wading would water get in an cause any damage or does it just flow out again??

 

[Pauly]

Its normal, i thought the same the first time i saw it on mine, not sure why they leave it so exposed like that
At least mine is a combi so gets an undertray, panel vans dont get that so its open to the elements a bit more !

 

[Dundee_Kev]

All normal, loads of gearboxes like that.

Looking at the picture, your gearbox looks a little wet with oil though. Possibly your rear crankshaft oil seal starting to weep a little

 

[Sasquatch]

At least mine is a combi so gets an undertray, panel vans dont get that so its open to the elements a bit more !

My panel van has one!

 

[JamieC]

Its normal, i thought the same the first time i saw it on mine, not sure why they leave it so exposed like that
At least mine is a combi so gets an undertray, panel vans dont get that so its open to the elements a bit more !

Interesting to know that the undertray is a kombi feature. Feel a bit easier leaving it off when I take it up the road to the garage now.

 

[JamieC]

All normal, loads of gearboxes like that.

Looking at the picture, your gearbox looks a little wet with oil though. Possibly your rear crankshaft oil seal starting to weep a little

Thank you. There is oil everywhere underneath and in the engine bay. Almost looks like something catastrophic happened once upon a time and it was never cleaned up nicely.

 

[Dellmassive]

That window is normal, and a great way to get a bar on the flywheel is the starter motor gets jammed on...... We all in the old days at least.

 

[Frigo110]

My panel van has one!

To equal things out - my kombi has no pan.

C

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