Try a flare nut wrench, which resembles a 6-point box-end wrench with a
slot for the line.
Edwin McCarroll had this to say:
>Been trying to remove the water temperature sending unit located at the
>front side of the engine block. I would like to remove the unit and
>test the temp gauge against a thermometer for correct readings, however
>all my efforts so far have only succeeded in starting to round off the
>'nut' (can only get an open end wrench on it because of the transmitter
>line) . Other than application of penetrating liquid, does anyone have
>any additional suggestions to get around this problem? Thanks for any
>help.
>
>
--
Max Heim
'66 MGB GHN3L76149
If you're near Mountain View, CA,
it's the red one with the silver bootlid.
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