M35x AWD V6-3.5L (VQ35DE) (2007)
Hose/Line HVAC: Service and Repair
Removal and Installation of Low-Pressure Pipe 1 and High-Pressure Pipe 2
Removal and Installation of Low-pressure Pipe 1 and High-pressure Pipe 2
REMOVAL
1. Set the temperature control switch (passenger side) at 18 °C (60 °F), and then disconnect the battery cable from the negative terminal.
2. Use a refrigerant collecting equipment (for HFC-134a) to discharge the refrigerant.
3. Remove cowl top cover. Refer to "COWL TOP".
4. Remove mounting bolt from low-pressure flexible hose bracket.
5. Remove high-pressure pipe 1 from vehicle clip.
6. Disconnect one-touch joints.
a. Set a disconnector [high-pressure side (SST: 9253089908), lowpressure side (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, lowpressure pipe 1 and high-pressure pipe 1, 2 with suitable material
such as vinyl tape to avoid the entry of air.
7. Remove instrument passenger lower panel and glove box. Refer to "INSTRUMENT PANEL ASSEMBLY".
8. Remove foot grille (right). Refer to "Removal of Foot Grilles".
9. Remove air mix door motor (passenger side). Refer to "AIR MIX DOOR MOTOR".
10. Remove mode door motor (passenger side). Refer to "MODE DOOR MOTOR".
11. Remove main link (right) and max. cool door link (right). Refer to "HEATER & COOLING UNIT ASSEMBLY".
12. Remove mounting screws, and then remove evaporator cover.