You need to disassemble the A/C refrigerant components, remove the O-ring seal from the A/C refrigerant component, and inspect the O-ring seal for signs of damage to help determine the root cause of the failure and the A/C refrigerant components for damage or burrs. You also need to repair if necessary and cap or tape the A/C refrigerant components, and discard the O-ring seal.
By Bob
GM Specialist
28/10/2022
Q: What is the removal procedure for the sealing washer?
A:
You need to remove the seal washer from the A/C refrigerant component, inspect the seal washer for signs of damage and the A/C refrigerant components for damage or burrs, and discard the sealing washer.
By Bob
GM Specialist
28/10/2022
Q: What should be noticed when caping or taping the A/C refrigerant components?
A:
Cap or tape the open A/C refrigerant components immediately to prevent system contamination.
By Bob
GM Specialist
28/10/2022
Q: What should be noticed when installing an O-ring?
A:
DO NOT allow any of the mineral base 525 viscosity refrigerant oil on the new O-ring seal to enter the refrigerant system or reuse O-ring seals.
By Bob
GM Specialist
28/10/2022
Q: What should be noticed when installing a sealing washer?
A:
Flat washer-type seals do not require lubrication.
By Bob
GM Specialist
28/10/2022
Q: How much is the gap between the A/C line and the A/C component?
A:
After tightening the A/C components, there should be a slight sealing washer gap of approximately 1.2 mm (3/64 in) between the A/C line and the A/C component.
By Bob
GM Specialist
28/10/2022
See more FAQs (1)
FAQ for Other Repair Info
Q: What is the removal procedure for the ambient temperature sensor?
A:
First, you need to remove the Park or turn Signal, disconnect the electrical connector from the ambient Air Temperature Sensor, then remove it.
Q: What is the removal procedure for the auxiliary blower motor resistor?
A:
You need to remove the right rear quarter trim panel, disconnect the electrical connector from the Blower Motor Resistor, and remove the retaining screws from the blower motor resistor and the blower motor resistor from the vehicle.
Q: What is the removal procedure for the heater core (Visteon)?
A:
You need to Remove the HVAC module assembly, the screws from the Heater Core cover, the heater core cover, the heater core cowl gasket, and the heater core.