Yeah as willie said, it's a reletively easy job if you know what your doing, have a good look at the actions you need to make and whatvto undoe before you dive in, I've found it useful to have another pair of hands around to
help hold the fuel rail and pipes out of the way while your withrawing the manifold from it's location, do again as willie said and use a Hoover to suck any debris that sits in the cavities between the inlet ports (you'll see the debris if you take a look) suck all that up before you undoe the manifold, put a strip of duck tape across all of the ports once the manifold is removed to stop heaven forbid a screw entering your engine.
Torque for refitting is 10nm, and I found it easier to use a long ball hex socket as they can be used at an angle (do not overtighten manifold bolts 10nm is ample)
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