FAQ for A/C Hose Repair
Q: How to select and install the correct mandrel on the threaded portion of the installation tool bolt?
A:
You need to bear in mind that the brass Universal Mandrel is for use on hose fittings with a smooth bore where the screen installs flush with the end of the fitting, and the 11.96 mm (0.471 in) Mandrel is only for the 11.96 mm (0.471 in) screen in hose fittings with an internal hourglass shape where the screen installs at the recessed, reduced diameter point.
By BobGM Specialist
28/10/2022 Q: Which tool is required during the Air Conditioning Evaporator Tube replacement?
A:
You need to prepare the J 39400-A Halogen Leak Detector.
By BobGM Specialist
28/10/2022 Q: How to install the Suction Hose?
A:
You need to install the suction hose to the vehicle and install new sealing washers. Then you need to install the suction hose to the TXV and install the nut to the TXV stud, and you need to install the suction hose to the compressor and install the suction hose mounting bolt to the A/C compressor. After that, you need to install the generator, and evacuate and recharge the A/C system. Finally, you need to leak-test the fittings of the component.
By BobGM Specialist
28/10/2022 Q: What is the recommended torque for the discharge hose mounting bolt?
A:
The recommended torque is 16 Nm (12 lb-ft).
By BobGM Specialist
28/10/2022 Q: How to remove the Air Conditioning Evaporator Tube?
A:
You need to recover the refrigerant from the system, remove the evaporator tube nut from the TXV stud, and remove the evaporator tube from the TXV. Then you need to remove the evaporator tube from the retaining clips on the fender, and you need to remove the grille and remove the evaporator tube retaining clip from the condenser. After that, you need to remove the evaporator tube attaching bolt to the receiver dehydrator and remove the evaporator tube. Finally, you need to remove and discard the O-ring seal.
By BobGM Specialist
28/10/2022 Q: How to remove the Discharge Hose?
A:
You need to recover the refrigerant and remove the generator, and you need to remove the discharge hose mounting bolt and the discharge hose from the A/C compressor. Then you need to remove the discharge hose bolt and the discharge hose from the condenser and remove the discharge hose from the vehicle. Finally, you need to discard all of the used sealing washers and cap the system openings.
By BobGM Specialist
28/10/2022 Q: What is the recommended torque for the bolt to the receiver dehydrator?
A:
The recommended torque is 28 Nm (21 lb-ft).
By BobGM Specialist
28/10/2022 Q: Which special tool is required during the Discharge Hose replacement?
A:
You need to prepare a J 39400-A Halogen Leak Detector.
By BobGM Specialist
28/10/2022 Q: Which tool is required during the Suction Screen replacement?
A:
You need to prepare a J 44551 Suction Screen Kit.
By BobGM Specialist
28/10/2022 Q: How to remove the Suction Hose?
A:
You need to recover the refrigerant and remove the generator, and you need to remove the suction hose mounting bolt and the suction hose from the A/C compressor. Then you need to remove the nut from the TXV stud, the suction hose from the TXV, and remove the suction hose assembly from the vehicle. Finally, you need to discard all of the used sealing washers and cap the system openings.
By BobGM Specialist
28/10/2022 See more FAQs (11)