Contents Section: Automatic HVAC System All sections

Ventilation System: Removal & Installation Nissan Titan I рестайлинг

Automatic HVAC System 19 illustrations ~1398 words

REPLACEMENT TIMING

Replacement of the two in-cabin microfilters is recommended on a regular interval depending on the driving conditions. Refer to " INTRODUCTION OF PERIODIC MAINTENANCE ". It may also be necessary to replace the two in-cabin microfilters as part of a component replacement if the in-cabin microfilters are damaged.

Scheme 150

Scheme 150: REPLACEMENT PROCEDURE

Scheme 151

Scheme 151

Scheme 152

Scheme 152
  1. Remove the two lower glove box hinge pins to remove the glove box from the instrument panel and let it hang from the cord.
  2. Remove the screw and remove the in-cabin microfilter cover.
  3. Remove the in-cabin microfilters from the heater and cooling unit assembly housing.
  4. Insert the first new in-cabin microfilter into the heater and cooling unit assembly housing and slide it over to the right. Insert the second new in-cabin microfilter into the heater and cooling unit assembly housing. NOTE: The in-cabin microfilters are marked with air flow arrows. The end of the microfilter with the arrow should face the rear of the vehicle. The arrows should point downward.
  5. Install the in-cabin microfilter cover.
  6. Install the lower glove box in the instrument panel and secure it with the two hinge pins.

Scheme 153

Scheme 153: REMOVAL
  1. Remove the control knobs from the front air control unit.
  2. Remove the cluster lid D. Refer to " «REMOVAL AND INSTALLATION»(ref-396292-S33183547652011050400000) ".
  3. Remove the four screws (A) securing the front air control unit (1) to cluster lid D (2).
  4. Remove the front air control unit (1).

INSTALLATION

Installation is in the reverse order of removal.

Scheme 154

Scheme 154: REMOVAL
  1. Remove the lower instrument panel LH. Refer to " «REMOVAL AND INSTALLATION»(ref-396292-S36643160102011050400000) ".
  2. Remove the two screws (A) and remove the in-vehicle sensor (1).

Installation is in the reverse order of removal.

Scheme 155

Scheme 155: REMOVAL
  1. Remove the defroster grille from the instrument panel. Refer to " «EXPLODED VIEW»(ref-396292-S29032199542011050400000) ".
  2. Disconnect the optical sensor connector (2).
  3. Twist the optical sensor (1) counter clockwise to remove it from the defroster grille.

Installation is in the reverse order of removal.

Scheme 156

Scheme 156: REMOVAL
  1. Remove the instrument lower panel RH and glove box. Refer to " «REMOVAL AND INSTALLATION»(ref-396292-S39118079492011050400000) ".
  2. Disconnect the intake sensor electrical connector. NOTE: The intake sensor is located on the top of the heater and cooling unit assembly next to the A/C evaporator cover.
  3. Pull up on the intake sensor to remove the intake sensor from the heater and cooling unit assembly.

Installation is in the reverse order of removal.

Scheme 157

Scheme 157: Removal and Installation

REMOVAL

  1. Remove the glove box assembly. Refer to " «REMOVAL AND INSTALLATION»(ref-396292-S39118079492011050400000) ".
  2. Disconnect the blower motor electrical connector.
  3. Remove the three screws and remove the blower motor.
  4. Remove the blower motor wheel as necessary to transfer to the new blower motor.

Installation is in the reverse order of removal.

Scheme 158

Scheme 158: Removal and Installation
  1. Move the two front seats to the rearmost position on the seat track.
  2. Disconnect the battery negative terminal and battery positive terminal.
  3. Discharge the refrigerant from the A/C system. Refer to "HFC-134a (R-134a) Service Procedure" in appropriate Heater & Air Conditioning article .
  4. Drain the coolant from the engine cooling system. Refer to " «CHANGING ENGINE COOLANT»(ref-396293-S16500542152011050400000) ".
  5. Disconnect the heater hoses from the heater core.
  6. Disconnect the high/low pressure pipes from the expansion valve.
  7. Remove the instrument panel and console panel. Refer to " «REMOVAL AND INSTALLATION»(ref-396292-S32689697612011050400000) ".
  8. Disconnect the instrument panel wire harness at the RH and LH in-line connector brackets, and the fuse block (J/B) electrical connectors.
  9. Disconnect the steering member from each side of the vehicle body.
  10. Remove the heater and cooling unit assembly with it attached to the steering member, from the vehicle. CAUTION: Use care not to damage the seats and interior trim panels when removing the heater and cooling unit assembly with it attached to the steering member.
  11. Remove the heater and cooling unit assembly from the steering member.

Installation is in the reverse order of removal.

CAUTIONReplace the O-rings of the low-pressure pipe and high-pressure pipe with new ones, then apply compressor oil to them when installing them. After charging the refrigerant, check for leaks.

Note. Fill the engine cooling system with the specified coolant mixture. Refer to " CHANGING ENGINE COOLANT ". Recharge the A/C system. Refer to "HFC-134a (R-134a) Service Procedure" in appropriate Heater & Air Conditioning article .

Scheme 159

Scheme 159: Removal and Installation
  1. Remove the heater and cooling unit assembly. Refer to " «REMOVAL AND INSTALLATION»(ref-396309-S39423936492011050400000) ".
  2. Remove the four screws and remove the upper bracket.
  3. Remove the four screws and remove the heater core cover.
  4. Remove the heater core pipe bracket.
  5. Remove the heater core. NOTE: If the in-cabin microfilters are contaminated from coolant leaking from the heater core, replace the in-cabin microfilters with new ones before installing the new heater core.

Installation is in the reverse order of removal.

Scheme 160

Scheme 160: Removal and Installation
  1. Remove the BCM. Refer to " «REMOVAL AND INSTALLATION»(ref-396305-S08032963662011050400000) ".
  2. Remove the audio amplifier, if equipped. Refer to " «REMOVAL AND INSTALLATION»(ref-396302-S06529974932011050400000) ".
  3. Disconnect the defroster door motor electrical connector.
  4. Remove the three screws and remove the defroster door motor.

Installation is in the reverse order of removal.

Scheme 161

Scheme 161: Removal and Installation
  1. Remove the heater and cooling unit assembly. Refer to " «REMOVAL AND INSTALLATION»(ref-396309-S39423936492011050400000) ".
  2. Remove the steering member from the heater and cooling unit assembly.
  3. Disconnect the intake door motor electrical connector.
  4. Remove the three screws and remove the intake door motor.

Installation is in the reverse order of removal.

Scheme 162

Scheme 162: Removal and Installation
  1. Remove the instrument lower panel LH. Refer to " «REMOVAL AND INSTALLATION»(ref-396292-S36643160102011050400000) ".
  2. Remove the accelerator pedal. Refer to " «REMOVAL AND INSTALLATION»(ref-396337-S13194794612011050400000) ".
  3. Remove the BCM. Refer to " «REMOVAL AND INSTALLATION»(ref-396305-S08032963662011050400000) ".
  4. Remove the audio amp. (if equipped) Refer to " «REMOVAL AND INSTALLATION»(ref-396302-S16047193292011050400000) ".
  5. Remove the center console lower cover LH. Refer to " «REMOVAL AND INSTALLATION»(ref-396292-S15047771572011050400000) ".
  6. Disconnect the mode door motor electrical connector.
  7. Remove the two screws and remove the mode door motor.

Installation is in the reverse order of removal.

Scheme 163

Scheme 163: Removal and Installation
  1. Remove the heater and cooling unit assembly. Refer to " «REMOVAL AND INSTALLATION»(ref-396309-S39423936492011050400000) ".
  2. Remove the steering member from the heater and cooling unit assembly.
  3. Disconnect the air mix door motor electrical connector.
  4. Remove the three screws and remove the air mix door motor.

Installation is in the reverse order of removal.

  1. Remove the center console lower cover LH. Refer to " «REMOVAL AND INSTALLATION»(ref-396292-S15047771572011050400000) ".
  2. Disconnect the air mix door motor electrical connector.
  3. Remove the three screws and remove the air mix door motor.

Installation is in the reverse order of removal.

Scheme 164

Scheme 164: Removal and Installation
  1. Remove the glove box assembly. Refer to " «REMOVAL AND INSTALLATION»(ref-396292-S39118079492011050400000) ".
  2. Disconnect the variable blower control electrical connector.
  3. Remove the two screws and remove the variable blower control.

Installation is in the reverse order of removal.

Scheme 165

Scheme 165: Removal and Installation
  1. Remove the glove box assembly. Refer to " «REMOVAL AND INSTALLATION»(ref-396292-S39118079492011050400000) ".
  2. Disconnect the front blower motor resistor electrical connector.
  3. Remove the two screws and remove the front blower motor resistor.

Installation is in the reverse order of removal.

Scheme 166

Scheme 166: Component

Scheme 167

Scheme 167
  1. Remove the instrument panel trim. Refer to " «REMOVAL AND INSTALLATION»(ref-396292-S32689697612011050400000) ".
  2. Remove the heater and cooling unit assembly. Refer to " «REMOVAL AND INSTALLATION»(ref-396309-S39423936492011050400000) ".
  3. Remove the defroster nozzle.

Installation is in the reverse order of removal.

  1. Remove the instrument panel trim. Refer to " «REMOVAL AND INSTALLATION»(ref-396292-S32689697612011050400000) ".
  2. Remove the heater and cooling unit assembly. Refer to " «REMOVAL AND INSTALLATION»(ref-396309-S39423936492011050400000) ".
  3. Remove the RH or LH side demister duct.

Installation is in the reverse order of removal.

  1. Remove the instrument panel trim. Refer to " «REMOVAL AND INSTALLATION»(ref-396292-S32689697612011050400000) ".
  2. Remove the heater and cooling unit assembly. Refer to " «REMOVAL AND INSTALLATION»(ref-396309-S39423936492011050400000) ".
  3. Remove the RH or LH ventilator duct.

Installation is in the reverse order of removal.

  1. Remove the instrument panel trim. Refer to " «REMOVAL AND INSTALLATION»(ref-396292-S32689697612011050400000) ".
  2. Remove the heater and cooling unit assembly. Refer to " «REMOVAL AND INSTALLATION»(ref-396309-S39423936492011050400000) ".
  3. Remove the defroster nozzle.
  4. Remove the RH and LH side demister ducts.
  5. Remove the RH and LH ventilator ducts.
  6. Remove the center ventilator duct.

Installation is in the reverse order of removal.

  1. Remove the floor carpet. Refer to " «REMOVAL AND INSTALLATION»(ref-396299-S26551650662011050400000) ".
  2. Remove the two clips and remove the floor duct.

Installation is in the reverse order of removal.

  1. Remove the interior trim panels as necessary. Refer to " «REMOVAL AND INSTALLATION»(ref-396292-S32689697612011050400000) ".
  2. Remove the grille from the interior trim panel.

Installation is in the reverse order of removal.

Scheme 168

Scheme 168: Removal and Installation for Evaporator
  1. Remove the heater core. Refer to " «REMOVAL AND INSTALLATION»(ref-396309-S29978400722011050400000) ".
  2. Remove the defroster mode door arm.
  3. Separate the heater core and cooling unit case.
  4. Remove the evaporator.

Installation is in the reverse order of removal.

CAUTIONReplace the O-rings on the low-pressure flexible hose and the high-pressure pipe with new ones, then apply compressor oil to them when installing them.