Ford YW1Z-19C836-AA
Suction Hose

Service of the HVAC accumulator requires refrigerant recovery as the first step. Attach the electric pump to the service egg and install a dry gauge. Then separate the evaporator from compressor suction line at the suction accumulator/drier by following spring lock coupling procedures. The process of suction accumulator/drier separation from the evaporator core requires backing up the wrench because it protects the fitting as well as the tube from damage. The service starts with unfastening the screw which holds the A/C accumulator mounting bracket in place on the A/C evaporator core before removing the suction accumulator/drier. Unlock the insulation cover of the suction accumulator/drier before removing its mounting bracket from the device. Reverse the removal steps for installation while servicing the new suction accumulator/drier with PAG compressor oil YN-12-C F7AZ-19589-DA which satisfies Ford specification WSH-M1C231-B. The O-ring seal requires application of the same PAG compressor oil for lubrication. Installation should be approached with a back up wrench because it helps protect the fitting and tube from damage.

The first step for servicing the HVAC accumulator requires complete refrigerant discharge along with recovery procedures. You must remove the evaporator to compressor connection of the suction accumulator/drier and then disconnect the suction accumulator/drier from the A/C evaporator core. A back up wrench should be used to protect both the fitting and the tube from damage while you remove them. Next users must remove the mounting bracket screw which keeps the A/C accumulator attached to the evaporator core before extracting the suction accumulator/drier. Take off the insulation cover from the suction accumulator/drier after detaching the mounting bracket of the A/C accumulator. The installation process requires performing the steps in the opposite order of removal. Mount the new suction accumulator/drier with the correct amount of PAG refrigerant compressor oil F7AZ-19589-DA or Motorcraft YN-12c which fulfills Ford specification WSH-M1C231-B. Also apply PAG refrigerant compressor oil to the O-ring seal. back up wrenches should be used for fitting installation to protect both fitting and tube from damage.

The Refrigerant Discharging and Recovery Procedure must be used to recover refrigerant as the first step for HVAC accumulator servicing. Service personnel must disconnect the evaporator from the compressor suction line through the suction accumulator/drier according to procedures which include spring lock coupling disconnect and connection methods. The service begins with disconnecting the suction accumulator/drier from the A/C evaporator core while protecting the fitting and tube using a back up wrench. First remove the screw which keeps the A/C accumulator mounting bracket in place on the A/C evaporator core then extract the suction accumulator/drier. Unfasten the insulation cover of the suction accumulator/drier before you disconnect its mounting bracket from the A/C accumulator. The installation demands executing the previous removal steps while using PAG compressor oil YN-12-CF7AZ-19589-DA or equivalent which maintains Ford specification WSH-M1C231-B to service the suction accumulator/drier and oiling the O-ring seal with similar PAG YN-12-CF7AZ-19589-DA or other equivalent oil. A back up wrench should be present during installation to protect the fitting along with the tube from damage.

The first step to service the HVAC accumulator requires executing the Refrigerant Discharging and Recovery Procedure. Use spring lock coupling general steps to disconnect the evaporator to compressor suction line from the suction accumulator/drier. Perform the suction accumulator/drier separation from the A/C evaporator core while using a back up wrench to protect both fitting and tube from harm. Preparation of the suction accumulator/drier consists of unscrewing the mounting bracket retaining screw which connects to the A/C evaporator core before extracting the assembly. The next step requires removal of the insulation cover from the suction accumulator/drier and separation of the A/C accumulator mounting bracket from it. The installation process should be done in reverse order by first servicing the suction accumulator/drier with PAG compressor oil YN-12-C F7AZ-19589-DA or equivalent that follows Ford specification WSH-M1C231-B. The O-ring seal demands application of the same PAG compressor oil during installation while using a back up wrench to protect the fitting torsion from damage.

Begin by discharging and recovering the refrigerant.

Transfer the A/C cycling switch to the new unit.