Exhaust Manifold Heat Shield Removal
#1
Exhaust Manifold Heat Shield Removal
Hi there, I am back again with a question. Over the past few days, I have begun to realize that my Mazda likes to shake any bolt loose.
With that said, I noticed the exhaust got louder. First thought was the cat rusted threw. That's not the case. The exhaust manifold fell off. So I am wondering how exactly would I go about talking the heat shielding off and fixing the exhaust manifold. Also what bolt sizes should they be?
Thanks, once more.
With that said, I noticed the exhaust got louder. First thought was the cat rusted threw. That's not the case. The exhaust manifold fell off. So I am wondering how exactly would I go about talking the heat shielding off and fixing the exhaust manifold. Also what bolt sizes should they be?
Thanks, once more.
#2
The 4 or 5 bolts that attach the heat shroud onto the exhaust manifold are a 12mm headed bolt......about 3/4" long. Use a 6 point 12mm socket if you have one......a 12 point may round off the hex shape, since those bolts are a little rusty on their heads. I know there is one (can't see it in your pic, but you can see 3 of the other ones) directly behind the exhaust manifold......it also holds that wire bracket for the O2 sensor wire (in your pic).
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Christopher Shim
Mazda Protege
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03-14-2013 09:11 AM