revv_head

Hi first up is that thermostat housing already tapped for a water gauge. And two I think this is the big turbo waste gate missing a bolt. Would this be why smoke goes into my engine bay on a smokey cold start? I'm leaving the car on jackstands over night to check in the morning for any fluid leaks as it smells like coolant but pls advise.

ondabirdhouse

iTrader: (26)

I can't see the 2nd pic but as for the first pic, NO. That wouldn't give you a good reading anyway because its not in the flow of the coolant. I can't remember if those were production holes or if they were special OEM Diagnostic tool attachment ports.

Short answer, NO.

revv_head

Bolt missing. Looks like it's the wastegate anyone seen it before. This is my first fd & first turbo car.

04G35S

iTrader: (10)

That looks like it is on the actuator that opens and closes the waste gate. I would put a bolt in there for sure. If its loose it will cause the exhaust to escape prematurely causing a loss of boost.

revv_head

Thanks mate. I've had exhaust come out the engine bay during cold start.

04G35S

iTrader: (10)

I dont know if that would cause an exhaust leak but you should still get a bolt in there! :-)

revv_head

This was the problem lol

04G35S

iTrader: (10)

What hose is that? It does not look like it would be related to exhaust.

revv_head

It's turbo to water pump hose. I guess I was still speculating at time of post.