LOW-PRESSURE PIPE 1 AND HIGH-PRESSURE PIPE 2: Removal and Installation: Removal

WARNING: This page is about a different car, the 2013 Infiniti FX50. However, it is still accessible from the selected car via links, so may be relevant.

Set the temperature at full cold.
Disconnect the battery cable from the negative terminal.
Use a refrigerant collecting equipment (for HFC-134a) to discharge the refrigerant.
Remove cowl top cover. Refer to "EXPLODED VIEW ".
Disconnect one-touch joint between low-pressure pipe 1 (1) and low-pressure pipe 2 (2) with disconnector (SST: 9253089916) (A).
CAUTION: Cap or wrap the joint of the A/C piping with suitable material such as vinyl tape to avoid the entry of air.
Disconnect one-touch joints between high-pressure pipe 1 (4) and high-pressure pipe 2 (3) with disconnector (SST: 9253089908).
CAUTION: Cap or wrap the joint of the A/C piping with suitable material such as vinyl tape to avoid the entry of air.

Fig 1: Disconnecting One Touch Joints Between Low Pressure Pipe 1 And Low Pressure Pipe 2 Using Disconnector
Courtesy of NISSAN NORTH AMERICA, INC.
Remove blower unit assembly. Refer to "EXPLODED VIEW ".
Remove foot grille RH. Refer to "EXPLODED VIEW ".
Remove air mix door motor. Refer to "EXPLODED VIEW ". (Passenger side)
Remove mode door motor. Refer to "EXPLODED VIEW ".
Remove fixing screws (A), and then remove mode door motor bracket (1).

Fig 2: Locating Mode Door Motor Bracket, Main Link And Fixing Screws
Courtesy of NISSAN NORTH AMERICA, INC.
Remove main link (2). Refer to "EXPLODED VIEW ".
Remove fixing screw (A), and then remove max. cool door link (1). Refer to "EXPLODED VIEW ".

Fig 3: Locating Max Cool Door Link And Fixing Screw
Courtesy of NISSAN NORTH AMERICA, INC.
Remove fixing screws (A), and then remove evaporator cover (1).

Fig 4: Locating Evaporator Cover And Fixing Screws
Courtesy of NISSAN NORTH AMERICA, INC.
Remove connector (A) from evaporator cover (1) (as shown in the figure below).

Fig 5: Removing Connector From Evaporator Cover
Courtesy of NISSAN NORTH AMERICA, INC.
Remove mounting bolt (A), and then remove low-pressure pipe 1 (1) and high-pressure pipe 2 (2).
CAUTION: Cap or wrap the joint of the A/C piping and expansion valve with suitable material such as vinyl tape to avoid the entry of air.

Fig 6: Locating Low Pressure Pipe 1 And High Pressure Pipe 2 And Mounting Bolt
Courtesy of NISSAN NORTH AMERICA, INC.