LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Nissan-Datsun >> 1990 >> Van GXE >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System/Component Tests >> Air Injection >> Vacuum Motor
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Vacuum Motor

Disconnect inlet vacuum hose at vacuum motor. Connect vacuum pump hose at inlet. Apply 2.95 in. Hg, air control valve should start to open. Apply 6.50 in. Hg, air control valve should open fully. If air control valve does not function as stated, replace air control valve.