Century V6-173 2.8L VIN W FI (1987)
Expansion Block/Orifice Tube: Service and Repair
CENTURY
1.
Discharge system refrigerant.
2.
Hoist vehicle.
3.
Remove fitting and serpentine liquid line from evaporator line.
4.
Carefully remove tube, using needle nosed pliers or other suitable tool. If expansion tube is seized in its receptacle, remove impacted residue
as completely as possible. Using a suitable heat gun or equivalent (hair dryer), apply heat to area 1/4 inch from inlet pipe dimples (if
pressure switch is located near this area, remove switch before applying heat to prevent damage). While applying heat, grip the expansion
tube and apply a push-pull/turning motion to loosen. When tube has been removed, clean receptacle with refrigerant or equivalent
solvent. Add 1 oz. 525 viscosity refrigerant oil to system, lubricate new tube and O-ring and install.
3.
Reverse procedure to install, with shorter screen end in first.