I have these holes in what I believe to be for a smog pump or something similar. Does anyone know if there are plugs available so that I can plug these two holes in the cylinder heads, I would hate to have to remove both heads at this stage.
From memory, there is no pressure on those holes. I may be wrong, but I seem to remember something like a welsh plug in the big hole and a tube with a threaded top in the smaller hole.
Thanks Kerry, there is a carbon build up, so thought there may be an exhaust leak. I will look into welsh plugs, swinging a hammer in the engine bay, will be a challenge.
As Oz indicated, I believe you will find a threaded hole at the end of the heads. These are the air pump holes. All you need to do is plug these holes with a bolt.
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Nuts wrote:As Oz indicated, I believe you will find a threaded hole at the end of the heads. These are the air pump holes. All you need to do is plug these holes with a bolt.
Awesome thanks for that, I will have a good look today and just block it off.