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-   -   Shut off valve/ Vacuum (http://www.peachparts.com/shopforum/diesel-discussion/83381-shut-off-valve-vacuum.html)

prb51 01-03-2004 02:38 PM

Shut off valve/ Vacuum
 
I have a 3 second dieseling after turning the key on my 95 E300D. I took the posted advice and changed the vacuum diaphragm on the shut off valve, the two short rubber hoses that come from the key switch and checked the hoses from key to valve. I've run the problem back upstream and it must be the key switch itself. Any experience out there with the switch itself? Can it be cleaned/repaired or just changed out?

psfred 01-03-2004 02:40 PM

I don't think you can repair it, just swap it out.

Does it leak off vac?

Peter

prb51 01-06-2004 10:11 PM

After changing out the shut off valve diaphragm and inspecting the ignition it turned out to be the primary vacuum line to the switch was partially plugged with gunk. It would hold vacuum etc but the decreased volume slowed the shut down process. That took awhile to figure out. Broke the threaded portion of a screw off and threaded the old line to the new and pulled thru the harness very smoothly.


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