Why does the 4KQ need a separate vacuum pump?

[Andrew Buc]

** Reply to message from Bill Phelps <wphelps at rizzo.com> on Mon, 23 Sep 2002
16:14:16 -0400

> Just wondering why the cam-driven pump is needed for the brake
> booster....It's the first one I have seen on a car..

Diesel cars have vacuum pumps because they don't have natural vacuum as
gasoline cars do, but that doesn't apply in the case of the 4kq.