Has any one else on here used the magnium capillary (mechanical) gauge? I have a 998 Leyland and when I screw the nut to the block the needle does not seal up against the block and I was hoping someone had a cure for this?

you need the adaptor, should be available from good auto shops

No it fits in the and screws all the way up but when its it tight it is still not sealed not an adaptor problem

Usually the center part of the pickup is free to move within the threaded outer part. With this type, the loose center part has to be "sandwhiched" between the outer part and a lip inside the hole.

Unfortunately not all the holes have a lip inside. In this case you need to screw in an adapter first that will have the lip inside of it.

Take sender with you to a good auto accessory shop and tell them that it is the correct thread but you need an adapter with the lip inside to tighten the unit onto.

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Spent all day looking for that adaptor it dose not seem to exist I am getting one made tomorrow