Quote:
Originally Posted by strelnik
There is a test used by Volvo enthusiasts to cover the oil filler hole with a rubber glove to determine condition of the PCV system.
But nobody uses a garbage bag to do anything like that, that I know of.
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On a W123 Mercedes blocking the vent hole causes the crankcase pressure to build up and shut the Engine Down because the Crankcase Pressure pushes the Vacuum Shutoff on the Fuel Injection Pump in the shut off direction.
If the Engine does not shut off something else gives. One Member had the front crank seal pop out.