Lincoln Aviator: Climate Control System - General Information / General Procedures - Air Conditioning (A/C) Clutch and Air Conditioning (A/C) Clutch Field Coil - Vehicles With: R134A Refrigerant/R1234YF Refrigerant

Special Tool(s) / General Equipment

412-001 (T71P-19703-B) Remover, Compressor Pulley

Activation

1. Remove the A/C compressor. Refer to Air Conditioning A/C Compressor procedure in Group 412.
   

1. NOTE: If equipped with spring rubber clutch.

   Using the universal clutch holding tool, hold the clutch and remove the A/C clutch disc and hub bolt.
   

1. • For fixed compressor
     Torque: 177 lb.in (20 Nm)
   • For EVDC compressor
     Torque: 128 lb.in (14.5 Nm)

1. NOTE: If equipped with spring plate clutch.

   • Hold the A/C compressor shaft.
     
   • Rotate the A/C clutch hub counter clockwise to remove.
     
   • For fixed compressor
     Torque: 177 lb.in (20 Nm)
   • For EVDC compressor
     Torque: 128 lb.in (14.5 Nm)

1. NOTE: Replacing the snap ring is only necessary when installing a new component.

   Remove the A/C compressor pulley snap ring.
   

1. NOTE: Do not use air tools. Damage to the A/C clutch pulley or A/C compressor may result.

   Remove the A/C compressor pulley.
   Install Special Service Tool: 412-001 (T71P-19703-B)  Remover, Compressor Pulley.

1. Remove the A/C clutch field coil electrical connector retainer.
   Torque: 35 lb.in (4 Nm)

1. NOTE: Replacing the snap ring is only necessary when installing a new component.

   Remove the A/C clutch field coil snap ring, and remove the clutch field coil.
   

1. • Visually inspect the A/C clutch disc and hub, compressor pulley and clutch field coil for damage.
     
   • Inspect for physical damage, including cracked or melted components or discoloration due to excessive heat.
     
   • Inspect for excessive wear, including grooving in the A/C clutch disc and hub or the compressor pulley that is more than fingernail depth.
     
   • Inspect for roughness in the A/C compressor pulley bearing.
     

1. To install, reverse the steps in this procedure.
   

1. NOTE: Spring plate clutch similar.

   Measure and adjust the clutch air gap by removing or adding clutch disc and hub spacers. Refer to Air Conditioning A/C Clutch Air Gap Adjustment procedure in Group 412.