RE: [MV] GPW/MB heat indicator & more?
Todd Paisley (paisley@erols.com)
Mon, 17 Nov 1997 16:13:08 -0500
> The original temp gauge is stricly mechanical, the gauge is
>connected with a thin tube (like the oil gage, but thinner) to a bulb
>mounted in the engine block. The whole thing is filled with a fluid,
>usually naphta, which expands when heats up, and thus pushing on the
>needle on the gage. For this thing to work, the whole thing
>(gauge,line,bulbe) needs to be intact with no leaks or kinks on them.
>Since your line is cut, you will have to replace the whole assembly.
>The bulb is mounted on the engine head, on the right side, about the
>middle of the block (close to the distibutor).
Actually there are companies that will replace the tube and bulb portion of
the gauge. I have them reuse the spring, clips and nut hardware to
maintain originality. Works rather well. The down side is that it costs
more than a repro gauge.
Todd Paisley
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