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Fuel gauge condensation

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AUSMHLY

AUSMHLY

Yoda
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My car is parked in the garage. Temp is about the same as the house, being the garage is under the two front bedrooms.

6 months ago I had my fuel guage rebuilt. Looks like new and works as good as a Healey fuel guage works. (guess I have this much gas, for the needle is all over the place. Oh, half a tank, no quarter, no a little more than half)

Once in a while I find some condensation in my fuel gauge only. It does evaporate after about a 10 minute drive. Question is should I have concern, and why that gauge?
 
/ubbthreads/images/graemlins/nonono.gif-- Roger, I would not worry about it. Fuel gauge prolly jealous of the Temperature gauge and wants some attention too.---Keoke- /ubbthreads/images/graemlins/laugh.gif
 
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Once in a while I find some condensation in my fuel gauge only. why that gauge?

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I think that gage runs a little hotter internally than the others. It's more subject to temperature variation induced "breathing"?
D
 
I've got a similar issue with my tach. On the inside of the glass, there's a definite accumulation of fine "grunge" it's on the inside, not the outside, does it come apart easily enough to clean the glass? I thought it was a 'sealed' unit and I'm baffled about how any dirt could get in there. Any ideas?
 
It comes apart fairly eaily. With the tach in hand, twist the rim to line up the cutouts & tabs. About 1/4" or so. Lift the ring & glass off. Easier said than done sometimes. The ring should lift off but the rubber sealing ring betwen glass & tach may be old, stuck, & crumbly. Be prepared to replace this ring with a new square section ring, available from several of the usual suppliers. The other gages come apart the same way.

Be very careful trying to clean the dial or needle. The paint will come off or discolor very easily. Replacement dial sets are available, but you have to fight with getting the needle off, back on, & correctly indexed. With patience & careful work, no problem - think clock.

The case is somewhat sealed but over time will breathe in some junk. The heating & cooling caused by the lamp doesn't help. Over time the lubricant gives off some vapor. The stuff collects on the inside of the relative colder glass.

On my older cable driven tach, the lower cable oil seal failed & pretty well filled the tach with motor oil. First indication was a sluggish, sticky needle. I was able to clean things up, replace the lower cable seal, & as good as new again.
D
 
Just to add my 2 cents ... My '67 BJ8 does it too and I just ignore it. I thought it was because there is a direct air flow from the "cool air" (HA HA) vent under the driver's side dash.
 
Thanks Dave R, it's just the glass, I'll give it a try over the winter.
 
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