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[markyp33]

     Im not that good with mechanics but have been told on another thread to remove the small breather pipe and test if there is any suction with engine running. There isnt, and therefore I need to clean it. I have removed the end off of the rocker box but cannot get to undo the clip at the other end. It said I had got to clean the jet too - so I started to loosen of the 19mm nut where the other end of the hose terminates - and water started leaking out!   Do I take it I just need to get longer pliers and remove the hose clip, and where is this jet?

Thanks again everyone

[Grumpy]

You will get a little water out, not a lot.
The Jet is the item that you unscrewing with the large nut.

If you look between the nut and Inlet manifold that you are unscrewing
it from, you'll see a Banjo coupling with 2 more pipes coming
up from underneath, like an upside down 'V'.
These are coolant pipes that connect to the Banjo that swivels
around the Jet. The water heats the Jet that passes through the
Banjo joint to prevent it freezing.

Be careful not to lose the 2 metal washers that sit either side of the
Banjo joint, and make sure they are fitted correctly on replacement.

No need to disconnect the water pipes, the banjo joint complete
with pipes will just drop down an inch or two. Easily retrieved and repositioned
when refitting the Jet.

The Jet is alloy, the Carbon build up is very hard, and the Jet is calibrated
to an exact size. So I would not recommend drilling it out. If the drill is too big
or runs off you'll ruin the Jet size and bring un-metered air into the engine,
similar to a split vac pipe.

Instead, stand it on end and soak it in carb cleaner or fuel, and keep giving
it a prod with a darning needle or some other such 'podger', until it's
softened enough to break through.

When you get it out, you'll see that it's shaped like an hourglass egg-timer,
and all will become clear.

[Grumpy]

Forgot to add, the hole that you are cleaning out is very small.
We're only talking 1 or 2mm here. So go steady, you're not
drilling out the channel tunnel!  

[Abiton]

...When you get it out, you'll see that it's shaped like an hourglass egg-timer,
and all will become clear.

I'm looking forward to getting this 'all clear' myself.  Oh, and cheers for explaining why the water's piped round there, that had been a complete mystery to me. Good work Grumpy.  

Pardon me for butting in, please.  

[markyp33]

Thanks very much for all your help - the job is done. I also cleaned he ICV whilst I was there. The car is running smoother than it ever has, and no longer cuts out. Did notice though, that there are two bolts broken on the exhaust manifold!! lol maybe the next thread??    8-)

[Grumpy]

The car is running smoother than it ever has, and no longer cuts out.

Result!  

Not too bad a job, is it.

Don't forget to check the Banjo connection after a few runs, to make sure it hasn't
loosened off and slowly dripping coolant out.

[Danny]

Thanks very much for all your help - the job is done. I also cleaned he ICV whilst I was there. The car is running smoother than it ever has, and no longer cuts out. Did notice though, that there are two bolts broken on the exhaust manifold!! lol maybe the next thread??    8-)

dont be too worried if it idles a little irratic for a few days, your car takes a bit of time to get used to having its pipes breathing again!