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K Exhaust manifold removal.


Seabea23

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I have removed all the nuts and caphead but the loose manifold appears to be trapped behind the water rail. Do I really need to remove the water rail ( drain the system?) to give the manifold enough clearance for removal. The long studs into the head don’t help. Any thoughts appreciated.

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It sounds like you have answered your own question though. You say it is trapped behind the water rail .... so you know the answer. Would shortening the studs also answer your question ? If so, put the nuts back on, then cut the studs, then removing the nut will clean the thread.
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I would imagine the studs will have fused into the Aluminium. I think I will put it back together and have a rethink, I have head work booked with DVA in the Autumn. The plan was to fit the separate primaries in advance of the work but it will have to wait. Thanks again all.

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I've just nipped out to the garage to look at my spare engine.  It has a water rail and manifold on it and I can't see the water rail stopping the manifold coming off.  It's a little close at the rear but not in the way.  Even if yours is there's no reason not to put a couple of nuts on it and see it it turns out.  Why assume it's corroded into the head when you can check in seconds?

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