The brake booster check valve could be defective. This is something easily overlooked. To check, remove the valve from the booster and disconnect from the hose supplying vacuum. Blow into the valve on the hose booster side. If air travels through and comes out the hose side, then you have a bad check valve.
Those born on the Virgo-Libra cusp enjoy beauty and all things sensual. They may find themselves drawn to the arts, attractive people, and precious objects or wish to make themselves and their surroundings more pleasing to the eye.
Virgo Cusps. Virgo - Leo Cusp. If you happen to be born during the period of August 21st to the 28th, you're born on the borderline or cusp of the preceding sign of Leo, which is the 5th sign of the zodiac and your own, which is the 6th sign of the zodiac. As such, you are ruled by both the Sun and the planet Mercury.