Exhaust manifold back pressure sensor tube

[Hammerhead]

(08-21-2018 )Rawze Wrote:  Pressure test the whole engine and find the leaks. It may surprise you and could be something else not seen yet.

Yes, do this ^^ first...

(08-21-2018 )Bahdan Wrote:  They’ve tried to fix it once and there was no chsnge in leakage or noise. Ive never taken an exhaust manifold apart but i think me doing it is the only option. I see the tool to install the gasket, is there a more dyi way of installing it or will that destroy it?

I used a socket to push the seals into the manifold when I did mine.
I had to change the center section, and nobody had the "U" in stock, so I just used my own end pieces with new gaskets.
I call Bravo Sierra on them, I bladdered my engine soon after I did this and I had NO exhaust manifold leaks. Just bladdered again today looking to solve another potential issue, and STILL no leaks on my exhaust manifold.