A/C Underbody Lines - Removal

REMOVAL

WARNING: On vehicles equipped with the high voltage system, you must thoroughly read and follow all High Voltage Safety procedures. In addition, before performing any diagnostic or service procedure near a high voltage component, you must perform the High Voltage Power Down. Failure to follow these instructions may result in possible serious or fatal injury

WARNING: Refer to the applicable warnings and cautions for this system before performing the following operation Warning and Caution . Failure to follow the warnings and cautions may result in possible serious or fatal injury.

CAUTION: Polyalkylene Glycol (PAG) oil can contaminate the refrigerant system of a Hybrid Electric Vehicle (HEV) and lead to A/C system damage and failure. If the refrigerant recovery/recycling and charging equipment was last used on a non-HEV model, flush the hoses of the equipment with a solvent approved by the equipment manufacturer before using the equipment on an HEV model, or use refrigerant recovery/recycling and charging equipment designated only for HEV models by your service facility. See the operating instructions supplied by the equipment manufacturer for proper use and care of the refrigerant recovery/recycling and charging equipment.





1. On HEV models, disconnect the battery system using the service disconnect at the battery pack .
2. On gasoline only engine models, disconnect and isolate the negative battery cable.
3. Recover the refrigerant from the refrigerant system Refrigerant System Recovery.
4. Drain the engine cooling system Service and Repair.
5. Raise and support the vehicle.
6. Remove the right front wheelhouse splash shield.
7. Remove the secondary retaining clips (2 and 7) from the refrigerant line couplers (6) located on the suction line extension tube (5) and the liquid line extension tube (8).
8. Disconnect the underbody liquid and suction lines from the liquid line extension tube and the suction line extension tube using the proper A/C line disconnect tools (Special Tool Kit 7193 or equivalent) and remove and discard the O-ring seals Refrigerant Line Coupler - Removal.
9. Install plugs in, or tape over the refrigerant line couplers and the underbody refrigerant lines.
10. Disconnect the underbody heater hoses from the front heater hoses.





11. Remove the nut (1) that secures the rear suction line (2) and the rear liquid line (3) to the rear evaporator line tapping plate that extends through the rear floor panel (4) behind the right rear wheel housing.
12. Disconnect the rear suction line and liquid line from the rear evaporator line tapping plate and remove and discard the O-ring seals.
13. Install plugs in, or tape over the opened refrigerant lines and tapping plate ports.
14. Disconnect the rear heater hoses (5) from the rear heater core tubes that extend through the rear floor panel behind the right rear wheel housing.





15. Remove all body mount bolts on the passenger side of the vehicle and loosen the body mount bolts on the drivers side.
16. Place a jackstand at the front and rear of the vehicle on the passenger side so that the stands will safely support the body.
17. Remove the five screws (7) that secure the underbody lines (1) to the vehicle underbody (2).
18. Carefully lower the hoist until the right side of the body (supported by the stands) is approximately 76-101 mm (3-4 in.) above the frame. This will gain access to remove the underbody line assembly.
19. Remove the underbody line assembly from the underneath of the vehicle body.