F 350 4WD Pickup V8-351 5.8L VIN H EFI (1997)
Receiver Dryer: Service and Repair
Removal and Installation
REMOVAL
1. Discharge refrigerant from air conditioning system following recommended service procedures. Observe all safety precautions.
NOTE: Cap all open refrigerant lines and components to prevent entry of dirt and moisture into the A/C system.
2. Disconnect electrical connector from A/C cycling switch.
3. Remove A/C cycling switch by unscrewing it from suction accumulator/drier.
4. Disconnect A/C manifold and tube from suction accumulator/drier. Use two wrenches to prevent component damage. Cap A/C manifold and tube
to prevent entrance of dirt and moisture.
5. Loosen fitting connecting suction accumulator/drier to A/C evaporator core. Use two wrenches to prevent component damage.
6. Remove two screws attaching suction accumulator/drier strap to A/C evaporator housing and one screw attaching clip to inlet tube.
7. Drain the refrigerant oil from the suction accumulator/drier.
INSTALLATION
1. Add oil to the new suction accumulator/drier prior to installation.
2. Using a new O-ring lubricated with clean refrigerant oil, connect suction accumulator/drier to tube. Tighten connection finger-tight.
3. Position A/C accumulator bracket on suction accumulator/drier and attach to A/C evaporator case and clip to inlet tube. Align strap and clip with
mounting bracket and install three attaching screws. Loosen connection of suction accumulator/drier to A/C evaporator core if necessary to
reposition suction accumulator/drier to install A/C accumulator bracket attaching screws.
4. Tighten fitting to 34-44 Nm (25-32 lb-ft) using two wrenches.
5. Using a new O-ring lubricated with clean refrigerant oil, connect A/C manifold and tube to suction accumulator/drier. Use two wrenches and
tighten connection to 34-44 Nm (25-32 lb-ft).
6. Install a new O-ring lubricated with clean refrigerant oil on nipple of suction accumulator/drier.
7. Install A/C cycling switch. Tighten A/C cycling switch to 1-5 Nm (13-47 lb-in).
8. Connect electrical connector to A/C cycling switch.
9. Leak test, recover, evacuate, and charge system following the recommended service procedures. Observe all safety precautions.
10. Check system for proper operation.
