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-   -   M103 thermo vacuum switch... (http://www.peachparts.com/shopforum/tech-help/268233-m103-thermo-vacuum-switch.html)

ps2cho 12-27-2009 06:33 PM

M103 thermo vacuum switch...
 
Its the part attached to the head that has 2 vacuum connectors to it

Anybody know exactly "what" it does? I noticed mine is cracked on my 260E.

Thanks

wbain5280 12-28-2009 06:00 AM

At some predetermined temperature, determined by the color, it opens and 'passes' vacuum.

If yours is cracked, replace it with a new one of the same color.

ps2cho 12-28-2009 10:33 AM

Ok I won't try and fix it myself then...I'll just get a new one.

Maybe that's hurting my mpg a bit? I thought 20-21 seemed a tad low for the 2.6.

Thanks,


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