Low-Pressure Flexible Hose and Pipe

Removal and Installation of Low-pressure Flexible Hose and Pipe

REMOVAL
1. Use a refrigerant collecting equipment (for HFC-134a) to discharge the refrigerant.
2. Remove engine cover.
3. Remove air cleaner case and air duct.
4. Remove cowl top cover.




5. Remove mounting bolt from low-pressure flexible hose bracket.




6. Disconnect one-touch joint between low-pressure flexible hose and low-pressure pipe 1.
a. Set a disconnector (SST: 9253089916) on A/C piping.
b. Slide a disconnector toward vehicle front until it clicks.
c. Slide A/C piping toward vehicle front and disconnect it.

CAUTION: Cap or wrap the joint of low-pressure flexible hose and low-pressure pipe 1 with suitable material such as vinyl tape to avoid the entry of air.




7. Remove mounting nut from low-pressure flexible hose (VQ35DE).

CAUTION: Cap or wrap the joint of compressor and low-pressure flexible hose with suitable material such as vinyl tape to avoid the entry of air.




8. Remove mounting nuts from low-pressure flexible hose and low pressure pipe (VK45DE).

CAUTION: Cap or wrap the joint of compressor, low-pressure flexible hose and low-pressure pipe with suitable material such as vinyl tape to avoid the entry of air.

INSTALLATION
Installation is basically the reverse order of removal.

CAUTION:
- Replace O-rings of low-pressure flexible hose and low-pressure pipe (VK45DE) with new ones, and then apply compressor oil to it when installing it.
- Female-side piping connection is thin and easy to deform. Slowly insert the male-side piping straight in axial direction.
- Insert piping securely until a click is heard.
- After piping connection is completed, pull male-side piping by hand to make sure that connection does not come loose.
- When recharging refrigerant, check for leaks.

Low-pressure flexible hose bracket mounting bolt torque : 4.2 N.m (0.43 kg-m, 37 in-lb)