Exhaust Manifold

[ralphcap]

The exhaust manifold on my 1981 FI 2000 has a split by the center bolt. Is the manifold busted or should the split be there? I'm changing the gasket on the manifold. Will I be able to back the manifold off the bolts on the engine block without unbolting the other end?

[kristoj]

Not too sure about the split. My manifold does not have a split in it. But is is a turbo manifold, which is different from the standard cars. I can tell you that you have to disconnect the manifold from the exhaust header pipr prior to removing it from the engine.

[spiderrey]

your manifold is fine.....

[mbouse]

stock split (tee-hee)

[ralphcap]

While attempting to unbolt the exhaust manifold from the exhaust header pipe I broke off one of the bolts. Now what? How many bolts bolts are used to attach the header pipe to the manifold. I'm seeing five. What should I use on those long nuts. I was using a 13mm socket on the one I broke off. I'm trying to replace the exhaust manifold gasket.

[So Cal Mark]

first step is lots of penetrating oil. There are/were 6 bolts on the flange. When you get around to putting it back together, use antiseize on all of the studs

[narfire]

If a stud has broken off in the manifold, I had posted some pictures on a method to get the stud out if you have access to a welder or someone who does.
I'm not sure how to provide the link,but under "general maintenance" Feb. 7th broken stud welding method.
It does work... usually
Good luck as I find when drilling the things out the sides get scored and I've broken countless easy-outs as well.
I have a friend down the street with a milling machine,and that can do it as there is no "wobble" in the drill bit.
Do soften it up over night with penetrating compound as well.

[mdrburchette]

I would take it to a machine shop and they can install a new stud. This is a common occurrence.

[kristoj]

I highly recommend taking Denise's advice. For the few bucks it would cost to get it done right, it isn't worth the risk of messing up your manifold.