Mike's Workshop Manuals: Service manuals for every vehicle
Home >> Buick >> 1992 >> Roadmaster Base >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> General Servicing >> A/C System General Servicing >> Mid (Test) Position

Mid (Test) Position

After service gauge manifold set has been installed (valve stem in back-seated position), turn valve stem 1 1/2 to 2 turns inward. This positions valve stem midway, allowing full system operation and permits refrigerant pressure to reach gauges.

scientia non olet · About Mike's Workshop Manuals