I just removed the spacer I had between my exhaust manifold and the head to get rid of any possible exhaust leaks there may have been. I also replaced the 8 studs in the head and put on new nuts. My first problem is that I hear a wicked exhaust leak whenever I give it gas and rev over 3000 rpms. There is a slight crack in my exhaust manifold (which I will soon replace) but it seems to be coming down a little deeper. Would a tiny crack like that be that big of an issue? I'll check more into this when I get back home.
The other thing I noticed when driving to work this morning is when I down shift to slow myself down I hear a louder than normal crackling coming from the rear end of the car. This doesn't sound like the usual backfire gargle I've usually got which is why I am concerned.
The only gasket I would have needed to replace would have been the one between the manifold and head. That gasket is only a matter of months old and looked to be in new condition.
I did loosen up and clock my turbo. Is there a chance that something in there might be loose? idk why that would be an exhaust leak though. Maybe I'm missing something.
Did you feel around the turbo/manifold for leaks? Or at the o2/downpipe for leaks? I could actually feel the exhaust coming out of mine when I put my hands down there - car cold of course You should be able to hear/smell it at idle I would think, not just at higher RPMs. Do you hear it at low throttle, WOT, all the time?
Do you have a wideband? Is it reading different than before?
Yea last night was the first night I drove my car around and it only stays cool for so long. Unfortunately, it was getting late and having a loud car means I should probably leave the neighborhood to rev it a bunch and hear/feel for things. I thought I could feel a very light touch of air coming from the crack in my manifold. I guess the best thing would be to replace the manifold and just swap out new gaskets for everything while I'm in there.
You should be able to hear/smell it at idle I would think, not just at higher RPMs. Do you hear it at low throttle, WOT, all the time?
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