Nex Exhaust Manifold - Bolted Joint Paste?

[Metallo]

Originally Posted by Metallo

Hi guys,

Finally, I got the new manifold, so I have re-assembled everything, including the turbocharger, the down pipe, all the hoses and filled in the cooling system.

I have turned the engine on, the car started, I left it idle (it is still on my cribs), but for whatever reason the turbo smokes, in the area between the downpipe and the clamp that retains the turbo to the wastegate housing.

I have no idea why it is smoking, I left the engine on for 3-4 minutes, but the smoke was increasing, so I turned the engine off.

Initially I thought it was because I cleaned everything, including the turbo (outside only), so I used CRC and there might be some oil/grease on the downpipe.

I have also used Permatex on the threads, but it seems a lot of smoke, and that should disappear after a few minutes, right?.

I checked under the car, there are no leaks.

I also changed the gasket between the oil filter and the adapter.
Since I just removed the filter, I expected the oil level to decrease at least 0.6L from the dipstick, but it seems to be on the same level so far.
There are no warning lights anywhere in the dashboard.

I do not think to have forgotten anything, in terms of hoses.

Any help is appreciated.

Hi All,

I have recorded a video of the turbo charger smoking, while the engine was idle.

https://www.mediafire.com/file/w5mz5...01459.mp4/file

It stopped after about 30 mins.

I believe the cooling fluid was not fully circulating in the system, because when I started to push the gas pedal, I heard for a few seconds the liquid going through all the circuit, as if there was some trapped air.

Then I started to drive the car, and it was driving very smooth.

It does no longer smoke and everything seems to run very well.

I just want to say thanks to all the Volvo Community for the great help and support you offered me during this project.

It was a long way, given that I had to purchase the exhaust manifold twice, but eventually I got the result I was hoping for.

In a couple of weeks, I will have a long drive, about 4000 Kms, which is the real test

Thanks again, and will stay in touch on my next project!

Alessandro