Sable V6-183 3.0L DOHC VIN S MFI (1997)
Service Port HVAC: Locations
The low-pressure service access gauge port valve is located on the evaporator to accumulator/drier suction line under the cowl panel near the A/C
evaporator core outlet tube.
The high-pressure service access gauge port valve is located on the condenser to evaporator tube near the radiator coolant recovery reservoir.