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Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Heating / Air Conditioning System - Service Information (1 Of 3) >> FRONT AIR CONDITIONING UNIT (for Gasoline Model) >> Components [12/2019 - 10/2022]

Components [12/2019 - 10/2022]

Fig 1: Front Air Conditioning Unit (For Gasoline Model) Replacement Components With Torque Specifications [12/2019 - 10/2022] (1 Of 8)
GTY868019Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Callout Description Callout Description
*1 COWL VENTILATOR PANEL SUB-ASSEMBLY *2 FENDER SPLASH SHIELD SUB-ASSEMBLY REAR LH
*3 FENDER SPLASH SHIELD SUB-ASSEMBLY REAR RH *4 FRONT FENDER SPLASH SHEILD SEAL FRONT RH
*5 FRONT FENDER SPLASH SHIELD SEAL FRONT LH *6 FRONT UPPER SUSPENSION TO COWL BRACE SUB-ASSEMBLY LH
*7 FRONT UPPER SUSPENSION TO COWL BRACE SUB-ASSEMBLY RH - -
Tightening torque for "Major areas involving basic vehicle performance such as moving/turning/stopping": N.m (kgf/cm, ft.lbf) N.m (kgf/cm, ft.lbf): Specified torque
Fig 2: Front Air Conditioning Unit (For Gasoline Model) Replacement Components With Torque Specifications [12/2019 - 10/2022] (2 Of 8)
GTY946630Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Callout Description Callout Description
*A w/o Stop And Start System *B w/ Stop And Start System
*1 HEATER WATER PUMP ASSEMBLY *2 INLET HEATER WATER HOSE B
*3 NO. 2 AIR CONDITIONER TUBE AND ACCESSORY ASSEMBLY *4 WATER HOSE SUB-ASSEMBLY
*5 O-RING - -
N.m (kgf/cm, ft.lbf): Specified torque Non-reusable part
Compressor oil ND-OIL 12 or equivalent - -
Fig 3: Front Air Conditioning Unit (For Gasoline Model) Replacement Components With Torque Specifications [12/2019 - 10/2022] (3 Of 8)
GTY846448Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Callout Description Callout Description
*A for Automatic Air Conditioning System - -
*1 COOLER (ROOM TEMP. SENSOR) THERMISTOR *2 ECU INTEGRATION BOX RH
*3 NO. 1 CLEARANCE WARNING BUZZER *4 NO. 4 AIR DUCT SUB-ASSEMBLY
*5 PARKING ASSIST ECU WITH BRACKET - -
N.m (kgf/cm, ft.lbf): Specified torque Non-reusable part
Fig 4: Front Air Conditioning Unit (For Gasoline Model) Replacement Components With Torque Specifications [12/2019 - 10/2022] (4 Of 8)
GTY859200Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Callout Description Callout Description
*1 ACCELERATOR PEDAL *2 ACCELERATOR PEDAL PAD
*3 NO. 3 DASH PANEL INSULATOR PAD *4 REAR NO. 1 AIR DUCT
*5 REAR NO. 2 AIR DUCT *6 REAR NO. 3 AIR DUCT
*7 REAR NO. 4 AIR DUCT *8 FRONT FLOOR CARPET ASSEMBLY
Tightening torque for "Major areas involving basic vehicle performance such as moving/turning/stopping": N.m (kgf/cm, ft.lbf) - -
Fig 5: Front Air Conditioning Unit (For Gasoline Model) Replacement Components With Torque Specifications [12/2019 - 10/2022] (5 Of 8)
GTY863326Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Callout Description Callout Description
*A w/ PTC Heater - -
*1 CENTER HEATER TO REGISTER SUB DUCT *2 INSTRUMENT PANEL WIRE
*3 NO. 1 INSTRUMENT PANEL BRACE SUB-ASSEMBLY *4 NO. 2 INSTRUMENT PANEL BRACE SUB-ASSEMBLY
*5 CONNECTOR HOLDER *6 EARTH WIRE
Tightening torque for "Major areas involving basic vehicle performance such as moving/turning/stopping": N.m (kgf/cm, ft.lbf) N.m (kgf/cm, ft.lbf): Specified torque
Fig 6: Front Air Conditioning Unit (For Gasoline Model) Replacement Components With Torque Specifications [12/2019 - 10/2022] (6 Of 8)
GTY898882Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Callout Description Callout Description
*1 AIR CONDITIONER UNIT ASSEMBLY *2 CENTER HEATER TO REGISTER DUCT
*3 INSTRUMENT PANEL REINFORCEMENT ASSEMBLY WITH AIR CONDITIONER UNIT ASSEMBLY *4 COOLER UNIT DRAIN HOSE GROMMET
*5 HOLE PLUG *6 INSTRUMENT PANEL REINFORCEMENT ASSEMBLY
Tightening torque for "Major areas involving basic vehicle performance such as moving/turning/stopping": N.m (kgf/cm, ft.lbf) N.m (kgf/cm, ft.lbf): Specified torque
Non-reusable part - -
Fig 7: Front Air Conditioning Unit (For Gasoline Model) Replacement Components [12/2019 - 10/2022] (7 Of 8)
GTY855687Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Callout Description Callout Description
*A for Manual Air Conditioning System *B for Automatic Air Conditioning System
*1 AIR CONDITIONING AMPLIFIER ASSEMBLY *2 AIR CONDITIONING HARNESS ASSEMBLY
*3 ASPIRATOR *4 BLOWER ASSEMBLY
*5 GROMMET *6 NO. 3 AIR DUCT SUB-ASSEMBLY
*7 AIR CONDITIONING RADIATOR ASSEMBLY - -
Non-reusable part - -
Fig 8: Front Air Conditioning Unit (For Gasoline Model) Replacement Components With Torque Specifications [12/2019 - 10/2022] (8 Of 8)
GTY865842Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Callout Description Callout Description
*A for Automatic Air Conditioning System *B w/o Stop and Start System
*C w/ Stop and Start System *D for Single Type
*E for Dual Type *F w/o PTC Heater
*G w/ PTC Heater - -
*1 COOLER EXPANSION VALVE *2 COOLING UNIT PARTS
*3 DRAIN COOLER HOSE *4 HEATER CLAMP
*5 HEATER COVER *6 HEATER GROMMET
*7 HEATER RADIATOR UNIT SUB-ASSEMBLY *8 NO. 1 AIR CONDITIONING RADIATOR DAMPER SERVO SUB-ASSEMBLY
*9 NO. 1 COOLER EVAPORATOR SUB-ASSEMBLY *10 NO. 1 COOLER THERMISTOR
*11 NO. 2 AIR CONDITIONING RADIATOR DAMPER SERVO SUB-ASSEMBLY *12 QUICK HEATER ASSEMBLY
*13 NO. 2 INSTRUMENT PANEL WIRE *14 UPPER HEATER CASE
*15 LOWER HEATER CASE *16 O-RING
N.m (kgf/cm, ft.lbf): Specified torque Non-reusable part
Compressor oil ND-OIL 12 or equivalent - -