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Auxiliary Evaporator Outlet And Inlet Line

WARNING: This page is about a different car, the 2004 Mercury Monterey and 2004 Ford Freestar. However, it is still accessible from the selected car via links, so may be relevant.
MATERIAL SPECIFICATION

Item Specification
PAG Refrigerant Compressor Oil for R134a Systems F7AZ-19589-DA WSH-M1C231-B
Refrigerant Compressor Oil (Mineral Oil) F73Z-19577-AA ESH-M2C31-A2
CAUTION: Refrigerant compressor oil (mineral oil) F73Z-19577-AA (Motorcraft YN-9-A) should be used to lubricate R-134a refrigerant system O-ring seals only and should not be added to the R-134a refrigerant system as an A/C compressor lubricant. PAG refrigerant compressor oil F7AZ-19D589-DA (Motorcraft YN-12-C) or equivalent meeting Ford specification WSH-M1C231-B only should be used as an A/C compressor lubricant.
NOTE: Installation of a new suction accumulator is not required when repairing the air conditioning system, except when there is physical evidence of system contamination from a failed A/C compressor or damage to the suction accumulator.
NOTE: New O-ring seals, lubricated in clean mineral oil, must be installed before reconnecting any A/C fitting that has been disconnected.
  1. Position the vehicle on a hoist with the gear selector in NEUTRAL. For additional information refer to JACKING & LIFTING .
  2. Recover the refrigerant. For additional information refer to AIR CONDITIONING (A/C) SYSTEM RECOVERY, EVACUATION AND CHARGING .
  3. Disconnect the front auxiliary outlet and inlet line fittings.
    1. Disconnect the fittings.
    2. Remove the nuts and the line bracket.
    • Discard the O-ring seals.
    Fig 1: Disconnecting Front Auxiliary Outlet And Inlet Line
    G03245652Courtesy of FORD MOTOR CO.
  4. Remove the three bolts and position the shield aside.
    Fig 2: Identifying Shield
    G03245653Courtesy of FORD MOTOR CO.
  5. Disconnect the fittings at the front tube-in-tube fitting.
    • Discard the O-ring seals.
    Fig 3: Disconnecting The Fittings At The Front Tube-In-Tube Fitting
    G03245654Courtesy of FORD MOTOR CO.
  6. Remove the line brackets and the front auxiliary evaporator outlet and inlet lines.
    Fig 4: Removing Line Brackets
    G03245655Courtesy of FORD MOTOR CO.
  7. Disconnect the fittings at the rear tube-in-tube fitting.
    • Discard the O-ring seals.
    Fig 5: Disconnecting The Fittings At The Rear Tube-In-Tube Fitting
    G03245656Courtesy of FORD MOTOR CO.
  8. Remove the bolts and the line brackets.
    Fig 6: Removing Bolts And Line Brackets
    G03245657Courtesy of FORD MOTOR CO.
  9. Remove the auxiliary tube-in-tube assembly.
  10. To install, reverse the removal procedure.
    • Install new O-ring seals lubricated in clean mineral oil.
    • Lubricate the refrigerant system with the correct amount of clean PAG oil. For additional information refer to REFRIGERANT OIL ADDING .
  11. Evacuate, leak test and charge the refrigerant system. For additional information refer to AIR CONDITIONING (A/C) SYSTEM RECOVERY, EVACUATION AND CHARGING .
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