At 11:22 PM 5/26/2004 +0100, Antony wrote:
>My hypothesis was that the system wasn't fully purged, and when it
>cooled down, it sucked up all the coolant from the expansion tank to
>replace the air. Is this possible? Anyway, I topped it up, and now I'm
>running steady at 3/4, so this was definitely part of the problem.
You are almost certainly correct. This always happens when you drain
and refill the coolant.
>There is a very interesting but though. It seems to run cooler now
>_when idling_ compared to when on the move! When I stopped at lights
>etc, the gauge went down to between 1/2 and 3/4! I'm a bit confused,
>but I am guessing that the timing may need tweaking.
It could possibly be a lack of voltage regulation. Does turning the headlights
off and on at idle change anything?