02-07-2010, 02:21 PM
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10mm MW
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Join Date: Sep 2008
Location: Michigan
Posts: 767
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Quote:
Originally Posted by soothappens
Well even with the valves adjusted at 40* it cranks slow until you remove the oil cap.
Is there any way to remove the vacuum cutoff temporarily and install a plate ? Or will parts be loose in the injection pump after removal ?
I'm also wondering if this could be a starter issue ?
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Are you saying that the cranking speed actually increases when the oil fill cap is removed, or that the engine actually fires up while cranking after the cap is removed?
Fascinating either way!!
Would it be possible to connect a hose to the valve cover, or a good place to get crank case pressure, and connect the other end to the vent on the ignition switch? The thought being when the key is in the run position the shutoff diaphragm would see crank case pressure on both sides, but when the key was turned to the off position then vacuum would be sent to one side and the diaphragm would move as it normally does.
Don't know if it could be done, just a thought. I always have a hard time getting my 240D started in the spring. I will try removing the oil cap in a few months.
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