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-   -   Cold start valve (http://www.peachparts.com/shopforum/mercedes-benz-sl-discussion-forum/197156-cold-start-valve.html)

sgaar 08-14-2007 06:55 PM

Cold start valve
 
In troubleshooting the cold start valve I am wondering if I should be able to hear it cycle if I hook it up to 12V? -or should I be able to hear it cycle if it is hooked into the harness and I turn on ignition without cranking the motor -or (:)) do I have to crank the motor to hear it?

Is it even possible to hear it cycle?

ctaylor738 08-16-2007 08:19 AM

They don't make much of a noise. Sort of a little "pssst". In warm weather, they don't operate at all, I think you need to be at 50 degrees coolant temp.


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