Can someone explain why a vacuum leak into the crankcase can affect
drivability?
  I thought that the crankcase ventilation system had some type of
orifice to control the amount of air that goes into the intake by that
route.

Larry A.

Mike Collum wrote:

> Without a good O-Ring where the dipstick tube goes into the case, and/or
> a good rubber seal where the dipstick enters the tube, you can have a
> vacuum leak which would cause driveability issues.
>
> I even found on my '84 that the oil fill tube had a bad seal where the
> plastic part attaches to the metal part that caused poor running.
>
>
> Mike
>
>
>
> Roger Sisler wrote:
>
>> I got a lifetime  suply of 0-rings. Can I pull the tube out and
>> replace the
>> ring? What if the rings I have dont fit. Can  I just press the tube
>> back in?
>>
>