Automatic Air Conditioner: Removal & Installation Nissan Altima L31 рестайлинг

Lubricant Adjusting Procedure for Components Replacement Except Compressor

After replacing any of the following major components, add the correct amount of lubricant to the system.

Scheme 99

Installation

Installation is in the reverse order of removal.

Scheme 100

1. Disconnect the ambient sensor connector.
2. Release the ambient sensor clip and remove the ambient sensor.

Installation is in the reverse order of removal.

Scheme 101

1. Remove the lower driver instrument panel assembly. Refer to " «INSTRUMENT LOWER COVER LH»(ref-232751-S28857393882006051900000) ".
2. Remove the in-vehicle sensor screw and remove the in-vehicle sensor.

Installation is in the reverse order of removal.

Scheme 102

1. Remove the sunload sensor and garnish.
2. Disconnect the connector.
3. Release the sunload sensor tabs to remove it from the garnish.

Installation is in the reverse order of removal.

Scheme 103

1. Remove the evaporator. Refer to " «REMOVAL AND INSTALLATION FOR EVAPORATOR»(ref-232736-S17603725682006052000000) ".
2. Release the intake sensor clip and then remove the intake sensor. CAUTION: Do not damage the evaporator core surface.

Installation is in the reverse order of removal.

Scheme 104

1. Remove the evaporator core. Refer to " «REMOVAL AND INSTALLATION FOR EVAPORATOR»(ref-232736-S17603725682006052000000) ".
2. Remove the thermo control amplifier. CAUTION: Do not damage the evaporator core surface.

Installation is in the reverse order of removal.

Scheme 105

1. Remove the glove box assembly. Refer to " «INSTRUMENT LOWER COVER RH AND GLOVE BOX»(ref-232751-S05647375212006051900000) ".
2. Remove the ECM.
3. Disconnect the blower motor, intake door motor and fan control amplifier connector.
4. Remove the two bolts and one screw from the blower unit, then remove the blower unit.

Installation is in the reverse order of removal.

Scheme 106

1. Remove the blower unit. Refer to " «REMOVAL AND INSTALLATION»(ref-232736-S13705319152006052000000) ".
2. Release the eight tabs attaching the blower motor to the blower unit case and then remove the blower motor.

Installation is in the reverse order of removal.

REPLACEMENT TIMING

Replace the in-cabin microfilter as described in the applicable maintenance schedule.

Refer to " SCHEDULE 1 " and " SCHEDULE 2 ".

The in-cabin microfilter caution label is attached inside the glove box.

Scheme 107

1. Remove the glove box pins. Refer to " «INSTRUMENT LOWER COVER RH AND GLOVE BOX»(ref-232751-S05647375212006051900000) ".
2. Press in the sides of the glove box door to release the glove box door from the glove box housing.
3. Disconnect the glove box damper cord to remove the glove box door.
4. Disengage the two filter cover tabs to remove the filter cover.
5. Remove the in-cabin microfilter from the blower unit.
6. Install the new in-cabin microfilter into the blower unit. CAUTION: Insert the new filter with the "UP" arrow in the correct orientation. Insert the new filter with the "UP" arrow side of the filter facing the rear of the vehicle.
7. Install the filter cover on the blower unit.
8. Connect the glove box damper cord to the glove box door.
9. Press in the sides of the glove box door to install the glove box door into the glove box housing.
10. Install the glove box pins.

Scheme 108

1. Discharge the refrigerant from the A/C system. Refer to " «HFC-134A (R-134A) SERVICE PROCEDURE»(ref-232736-S40434371582006051900000) ".
2. Drain the engine coolant from the cooling system. Refer to " «DRAINING ENGINE COOLANT»(ref-232722-S24815506832006051900000) " (QR25DE), " «DRAINING ENGINE COOLANT»(ref-232722-S22701640982006051900000) " (VQ35DE).
3. Remove the wiper motor and linkage. Refer to " «REMOVAL»(ref-232734-S07503468762006051900000) ".
4. Remove the fasteners and cowl top. Refer to " «REMOVAL AND INSTALLATION»(ref-232733-S30797362572006052000000) ".
5. Disconnect the heater hoses from the heater core pipes. CAUTION: Cap or wrap the pipe joint with a suitable material such as vinyl tape to avoid the entry of contaminants into the system.
6. Disconnect the refrigerant lines from the evaporator. Refer to " «REFRIGERANT LINES»(ref-232736-S23866318212006051900000) ". CAUTION: Cap or wrap the line joint with a suitable material such as vinyl tape to avoid the entry of contaminants into the system.
7. Remove the steering member. Refer to " «INSTRUMENT PANEL ASSEMBLY»(ref-232751-S18226124422006051900000) ".
8. Remove the blower unit. Refer to " «BLOWER UNIT»(ref-232736-S08540919732006052000000) ".
9. Disconnect the mode door motor and air mix door motor connectors.
10. Remove the heater and cooling unit.

Installation is in the reverse order of removal.

1. Fill the radiator with the specified water and coolant mixture. Refer to " «REFILLING ENGINE COOLANT»(ref-232722-S04888880492006051900000) " (QR25DE), " «REFILLING ENGINE COOLANT»(ref-232722-S10147388232006051900000) " (VQ35DE).
2. Recharge the A/C system. Refer to " «HFC-134A (R-134A) SERVICE PROCEDURE»(ref-232736-S40434371582006051900000) ".

Scheme 109

Scheme 110

Scheme 111

1. Remove the heater and cooling unit. Refer to " «HEATER & COOLING UNIT ASSEMBLY»(ref-232736-S01958756062006052000000) ".
2. Remove the heater core pipe support screws and then remove the heater core pipe support.
3. Remove the heater core cover screws and then remove the heater core cover.
4. Remove the heater core.

Installation is in the reverse order of removal.

Scheme 112

1. Remove the blower unit. Refer to " «REMOVAL AND INSTALLATION»(ref-232736-S13705319152006052000000) ".
2. Remove the screws and then remove the intake door motor from the blower unit.

Installation is in the reverse order of removal.

Scheme 113

1. Disconnect the mode door motor connector.
2. Remove the mode door motor screws and then remove the mode door motor.

Installation is in the reverse order of removal.

Scheme 114

1. Remove the driver lower instrument panel assembly. Refer to " «INSTRUMENT LOWER COVER LH»(ref-232751-S28857393882006051900000) ".
2. Disconnect the air mix door motor connector.
3. Remove the air mix door motor screws and then remove the air mix door motor.

Installation is in the reverse order of removal.

Scheme 115

1. Remove the glove box assembly. Refer to " «INSTRUMENT LOWER COVER RH AND GLOVE BOX»(ref-232751-S05647375212006051900000) ".
2. Disconnect the fan control amplifier connector.
3. Remove the screws from the fan control amplifier and then remove the fan control amplifier.

Installation is in the reverse order of removal.

Scheme 116

Scheme 117

1. Remove cluster lid D. Refer to " «CLUSTER LID D»(ref-232751-S08646858952006052000000) ".
2. Remove the two center ventilator grille screws.
3. Release the two tabs and then remove the center ventilator grille.

Installation is in the reverse order of removal.

REMOVAL

1. Discharge the refrigerant. Refer to " «HFC-134A (R-134A) SERVICE PROCEDURE»(ref-232736-S40434371582006051900000) ".
2. Remove the drive belt. Refer to " «REMOVAL AND INSTALLATION»(ref-232721-S25493609092006052000000) ".
3. Disconnect the compressor connector.
4. Remove the high-pressure flexible hose and low-pressure flexible hose. CAUTION: Cap or wrap the joint of the hose with a suitable material such as vinyl tape to avoid the entry of any contaminants.
5. Remove the compressor bolts, then remove the compressor using power tools.

Compressor bolts : 28.4 - 33.3 N.m (2.9 - 3.4 kg-m, 21 - 24 ft-lb)

High and low-pressure flexible hose bolts : 7.8 -19.6 N.m (0.8 - 1.9 kg-m, 69 -173 in-lb)

Scheme 118

1. Discharge the refrigerant. Refer to " «HFC-134A (R-134A) SERVICE PROCEDURE»(ref-232736-S40434371582006051900000) ".
2. Remove the drive belt. Refer to " «CHECKING DRIVE BELTS»(ref-232722-S37259105082006051900000) ".
3. Remove the coolant pipe bracket bolt using power tools.
4. Remove the compressor mounting stud.
5. Disconnect the compressor connector.
6. Remove the high-pressure flexible hose and low-pressure flexible hose. CAUTION: Cap or wrap the joint of the hose with suitable material such as vinyl tape to avoid the entry of any contaminants.
7. Remove the compressor bolts and nut using power tools, and then remove the compressor.

Installation is in the reverse order of removal.

Compressor (rear side) bolt : 56.9 - 65.7 N.m (5.8 - 6.8 kg-m, 42 - 48 ft-lb)

Compressor (front side) bolt : 28.4 - 33.3 N.m (2.9 - 3.4 kg-m, 21 - 24 ft-lb)

Compressor (front side) nut : 59.8 - 69.6 N.m (6.1 - 7.0 kg-m, 45 - 51 ft-lb)

High and low-pressure flexible hose bolts : 7.8 -19.6 N.m (0.8 -1.9 kg-m, 69 -173 in-lb)

Scheme 119

Scheme 120

Scheme 121

Scheme 122

Scheme 123

1. Remove the compressor. Refer to (QR25DE), " «REMOVAL AND INSTALLATION FOR COMPRESSOR - VQ35DE MODELS»(ref-232736-S15020461042006051900000) " (VQ35DE).
2. Remove the center bolt by holding the clutch disc steady using Tool. Tool number : (J-44614)
3. Remove the clutch disc.
4. Remove the snap ring using external snap ring pliers.
5. Remove the pulley assembly using Tool. Use a pulley puller with a small adapter. Position the small adapter on the end of the compressor shaft and the center of the puller on the small adapter as shown. Tool number : KV99233130 (J-29884) CAUTION: To prevent deformation of the pulley groove, the puller claws should be hooked under (not into) the pulley groove.
6. Remove the snap ring using external snap ring pliers
7. Remove the magnet coil harness clip using a screwdriver.
8. Remove the three magnet coil screws and remove the magnet coil.

1. Discharge the refrigerant. Refer to " «HFC-134A (R-134A) SERVICE PROCEDURE»(ref-232736-S40434371582006051900000) ".
2. Remove the refrigerant pressure sensor.
3. Remove the low-pressure flexible hose. Refer to " «COMPONENTS»(ref-232736-S33079725452006052000000) ". CAUTION: Cap or wrap the joint of the hose with a suitable material such as vinyl tape to avoid the entry of contaminants.

Installation is in the reverse order of removal.

Low-pressure flexible hose (evaporator side) bolt : 2.9 - 5.9 N.m (0.29 - 0.60 kg-m, 26 - 52 in-lb)

Low-pressure flexible hose (compressor side) bolt : 7.8 -19.6 N.m (0.8 -1.9 kg-m, 69-173 in-lb)

Low-pressure flexible hose (in-line connection) bolt : 7.8 -19.6 N.m (0.8 -1.9 kg-m, 69-173 in-lb)

1. Discharge the refrigerant. Refer to " «HFC-134A (R-134A) SERVICE PROCEDURE»(ref-232736-S40434371582006051900000) ".
2. Reposition the power steering reservoir out of the way without disconnecting the hose.
3. Reposition the engine coolant reservoir out of the way without disconnecting the hose.
4. Remove the high-pressure flexible hose. Refer to " «COMPONENTS»(ref-232736-S33079725452006052000000) ". CAUTION: Cap or wrap the joint of the hose with a suitable material such as vinyl tape to avoid the entry of contaminants.

Installation is in the reverse order of removal.

High-pressure flexible hose bolt : 7.8-19.6 N.m (0.8-1.9 kg-m, 69 -173 in-lb)

1. Discharge the refrigerant. Refer to " «HFC-134A (R-134A) SERVICE PROCEDURE»(ref-232736-S40434371582006051900000) "
2. Reposition the power steering reservoir out of the way without disconnecting the hose.
3. Reposition the engine coolant reservoir out of the way without disconnecting the hose.
4. Remove the high-pressure pipe. Refer to " «COMPONENTS»(ref-232736-S33079725452006052000000) ". CAUTION: Cap or wrap the joint of the pipe with suitable material such as vinyl tape to avoid the entry of air.

Installation is in the reverse order of removal.

High-pressure pipe (evaporator side) bolt : 2.9 - 5.9 Nm (0.29 - 0.60 kg-m, 26 - 52 in-lb)

High-pressure pipe (condenser side) bolt : 7.8 -19.6 N.m (0.8 -1.9 kg-m, 69 -173 in-lb)

Scheme 124

1. Discharge the refrigerant. Refer to " «HFC-134A (R-134A) SERVICE PROCEDURE»(ref-232736-S40434371582006051900000) ".
2. Disconnect the refrigerant pressure sensor connector and remove the refrigerant pressure sensor from the condenser. CAUTION: Do not damage the condenser fins.

Installation is in the reverse order of removal.

Refrigerant pressure sensor : 9.8 -11.7 Nm (1.0 -1.2 kg-m, 7.3 - 8.6 ft-lb)

Scheme 125

Scheme 126

1. Discharge the refrigerant. Refer to " «HFC-134A (R-134A) SERVICE PROCEDURE»(ref-232736-S40434371582006051900000) "
2. Remove the radiator. Refer to " «RADIATOR»(ref-244158-S38890714092006091800000) ". CAUTION: Be careful not to damage the core surface of the condenser and the radiator.
3. Disconnect the high-pressure flexible hose and the high-pressure pipe from the condenser. CAUTION: Cap or wrap the joint of the pipe and hose with suitable material such as vinyl tape to avoid the entry of contaminants.
4. Disconnect the refrigerant pressure sensor connector.
5. Remove the front fascia. Refer to " «FRONT BUMPER»(ref-232733-S31288199752006052000000) "
6. Remove the mounting nuts from condenser mounting brackets.
7. Remove the condenser.

Installation is in the reverse order of removal.

High-pressure flexible hose and pipe bolt : 7.8-19.6 Nm (0.8-1.9 kg-m, 69-173 in-lb)

Condenser nuts : 5.0 - 6.79 N.m (0.51 - 0.69 kg-m, 45 - 60 in-lb)

Scheme 127

Scheme 128

Scheme 129

Scheme 130

1. Evacuate and recover the A/C system refrigerant. Refer to " «HFC-134A (R-134A) SERVICE PROCEDURE»(ref-232736-S40434371582006051900000) ".
2. Disconnect the battery negative terminal.
3. Disconnect the air cleaner to electronic throttle control actuator tube. Refer to " «AIR CLEANER AND AIR DUCT»(ref-232721-S09596093322006052000000) " (QR25DE), " «AIR CLEANER AND AIR DUCT»(ref-243544-S32947791712006083100000) " (VQ35DE). NOTE: The tube is located between the air cleaner assembly and the intake manifold and is removed to access the expansion valve.
4. Disconnect the A/C pipe from the expansion valve. CAUTION: Cap or wrap the joint of the pipe with suitable material such as vinyl tape to avoid the entry of air.
5. Remove the expansion valve.
6. Remove the center console side finisher RH. Refer to " «CENTER CONSOLE»(ref-232751-S12159910452006051900000) ".
7. Remove the glove box assembly. Refer to " «INSTRUMENT LOWER COVER RH AND GLOVE BOX»(ref-232751-S05647375212006051900000) ".
8. Remove the ECM. Disconnect the ECM connector. Remove the wire harness from the ECM mounting bracket. Remove the two ECM mounting bracket nuts and disconnect the ground wire.
9. Remove the blower unit. Refer to " «BLOWER UNIT»(ref-232736-S08540919732006052000000) ".
10. Remove the heater core cover.
11. Remove the evaporator cover.
12. Remove the evaporator. Remove the thermo control amplifier. Remove the intake sensor. CAUTION: Mark the mounting position of the intake sensor and thermo control amplifier.

Installation is in the reverse order of removal.

Expansion valve mounting bolts : 2.9 - 5.0 N.m (0.29 - 0.51 kg-m, 26 - 44 in-lb)

Scheme 131

1. Evacuate and recover the A/C system refrigerant. Refer to " «HFC-134A (R-134A) SERVICE PROCEDURE»(ref-232736-S40434371582006051900000) ".
2. Disconnect the air cleaner to electronic throttle control actuator tube. Refer to " «AIR CLEANER AND AIR DUCT»(ref-232721-S09596093322006052000000) " (QR25DE), " «AIR CLEANER AND AIR DUCT»(ref-243544-S32947791712006083100000) " (VQ35DE). NOTE: The tube is located between the air cleaner assembly and the intake manifold and is removed to access the expansion valve.
3. Disconnect the A/C pipe from the expansion valve. CAUTION: Cap or wrap the joint of the pipe with suitable material such as vinyl tape to avoid the entry of air.
4. Remove the expansion valve.

Installation is in the reverse order of removal.

Expansion valve mounting bolts : 2.9 - 5.0 N.m (0.29 - 0.51 kg-m, 26 - 44 in-lb)