gazsen wrote: ↑Tue Aug 29, 2023 8:32 pm
20230729_113633.jpg
Hi,
sorry for the late reply, still trying to get used to using this forum. I have attached one photo. Think it shows everything!
Appreciate your help with this.
Gary
You have an identical set-up to my 1969 car. I notice you have a non-standard fuel pump incidentally.
There are quite a few reasons why this type of breather system can fail:
1) The oil separator can contains some wire wool. This can rust and clog up the breather system completely. To clean this, remove the tappet chest cover and breather hose and clean out the can. You may have to fish out rusty contents with some bent wire. Wash the can with carburettor cleaner or petrol. Then re-pack the can with a stainless steel pot scourer but do not pack it too tight.
2) The PCV valve contains a rubber diaphragm. To access this slide off the metal clip and remove the top plate of the PCV valve. Examine the rubber diaphragm for signs of splits, holes or of hardening (it should be flexible). Replace the diaphragm if damaged.
3) The small air hole in the top plate of the PCV valve can become blocked.
4) The poppet valve in the base of the valve can become blocked with oil sludge.
5) Air leaks from deteriorated breather hose, loose clips or a failed tappet chest gasket (check both). Replace as necessary but be sure to use reinforced breather hose which can tolerate hot oily fumes. Use the later neoprene tappet chest gasket for this later engine.
6) The oil filler cap should be the longer vented type (this contains a wire wool filter).
Stephen
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1969 1098cc Convertible “Xavier” which I have owned since 1989.
Stephen