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Home >> Cadillac >> 2007 >> STS AWD V8-4.6L >> Repair and Diagnosis >> Heating and Air Conditioning >> Hose/Line HVAC >> Service and Repair >> Liquid Line Replacement (LH2)
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Liquid Line Replacement (LH2)



Liquid Line Replacement (LH2)

Tools Required

J 39400-A Halogen Leak Detector

Removal Procedure

1. Recover the refrigerant. Refer to Refrigerant Recovery and Recharging.
2. Remove the air cleaner from the vehicle.
3. Disconnect the quick connect fitting at the condenser tube.




4. Disconnect the liquid line from the strut tower retaining clip.
5. Remove the wiper motor module assembly.




6. Disconnect the quick connect fitting at the evaporator core.
7. Disconnect the liquid line from the evaporator core.
8. Remove the liquid line from the vehicle.
9. Remove and discard the O-ring seals.

Installation Procedure




1. Install new O-rings to the liquid line.
2. Install the liquid line in to the vehicle.
3. Connect the liquid line to the evaporator core.
4. Install the A/C quick connect fitting.
5. Install the wiper motor module assembly.




6. Connect the liquid line to the strut tower retaining clip.
7. Connect the liquid line to the condenser tube.
8. Install the A/C quick connect fitting.
9. Install the air cleaner from the vehicle.
10. Evacuate and recharge the refrigerant system. Refer to Refrigerant Recovery and Recharging.
11. Using J 39400-A, leak test the fittings of the component.
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