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Re: 4kq Knocking Resolved
> I finally got to remove the piston from the vacuum pump and
> presto! knocking noise went away... YEAH!!! Anyways, I was
> wondering what the heck does that vacuum pump do?
It provides vacuum to the brakes when there is none in the intake
manifold. It is most convenient when left foot braking. Braking
while engine is making power (gas pedal down). Otherwise you should
be O.K. without it.
HTH
Martin Pajak
quattro@rogerswave.ca
http://www.geocities.com/MotorCity/5939
1982 Coupe TURBO (473,150 km)
1984 4000s quattro (soon to be a rally car)
1986 4000s quattro (306,000 km) with four Nokia 10's
1970 Porsche 911E Targa (for sale)
CEO of exam lastminute allniter rollthedice inc.