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Kieran O'Connor

Smoke from turbo/manifold area, 180sx sr20det

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Car is a 1994 180sx black top sr20det with garret 2860rs turbo running external wastegate

 

So i just changed my manifold gasket, turbo/manifold gasket and dump pipe gasket and now i have smoke coming from the turbo manifold area?

One thing i forgot to put back on the car is the external wastegate boost pressure hose on the pressure side of the intercooler pipe but now when it idles for 20/30 seconds it starts smoking a little around the manifold area? the car hasn't been driven but only idled.

 

the smoke smell is only coming from the external wastegate pipe itself, i smell inside the exhaust manifold and dump pipe and nothing smells like it's burning, one thing i did which was probably the cause of it is i used copper high temp sealant around where the wastegate bolts too as i didn't have a metal gasket on me and also where the dump pipe connects to the front pipe. the sealant is rated to 60 - 370c

 

I have ordered new metal gaskets for my wastegate and dump but before i bolt that bitch back on Any info will be much appreciated!

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Exhaust sealant is burning up, that area of the exhaust system will peak up to 900 degrees with ease.

 

never use sealant around there, either gasket or nothing.

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As above. Most likely the sealant burning off. Will probably have the smell for a couple days

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