PO Blocked Exhaust Manifold Air Injection Ports - is there a better way

jay-ten · Post by **jay-ten** » Thu Mar 21, 2019 12:35 pm

The PO blocked off the exhaust manifold air injection ports, but it looks like a hatchet job that will likely leak when I reassemble the engine.
Is there an efficient way to block these that won't leak?

Cecil14 · Post by **Cecil14** » Thu Mar 21, 2019 12:41 pm

They are a standard thread, NPT something I think? If you can get the holes open and cleaned up, you can use standard threaded plugs in them. Most people have problems getting the old bolts out.

aa

derf · Post by **derf** » Thu Mar 21, 2019 2:48 pm

I had a set of manifolds where all of the bolts broke off when I tried to pull off the tubes.

I welded the holes in. It wasn't the prettiest but it never leaked.

Cecil14 · Post by **Cecil14** » Thu Mar 21, 2019 3:10 pm

You could take the manifolds to a machinist to have the bolts removed if you have them off the engine. Likely you could simply buy new manifolds or headers for what that would cost, though.

aa

jay-ten · Post by **jay-ten** » Thu Mar 21, 2019 4:16 pm

Ok cool!

XSapper · Post by **XSapper** » Thu Mar 21, 2019 6:00 pm

https://www.fsjjeepparts.com/exhaust-ma ... 44618.html
http://www.bjsoffroad.com/AMC-V8-Exhaus ... _2000.html

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PO Blocked Exhaust Manifold Air Injection Ports - is there a better way

PO Blocked Exhaust Manifold Air Injection Ports - is there a better way

Re: PO Blocked Exhaust Manifold Air Injection Ports - is there a better way

Re: PO Blocked Exhaust Manifold Air Injection Ports - is there a better way

Re: PO Blocked Exhaust Manifold Air Injection Ports - is there a better way

Re: PO Blocked Exhaust Manifold Air Injection Ports - is there a better way

Re: PO Blocked Exhaust Manifold Air Injection Ports - is there a better way