Car heating system Chevrolet Tahoe 2 and 3
Air Conditioning, Heating and Ventilation — Location of Components
Air conditioning unit (models up to 2005, with mechanical control). 1 - heater radiator cap; 2 - heater radiator; 3 - sealant; 4 - upper part of the case of...
Air conditioning unit (models up to 2005, with mechanical control). 1 - heater radiator cap; 2 - heater radiator; 3 - sealant; 4 - upper part of the case of...
Precautions and Warnings
To maintain the set temperature conditions, the heating and air conditioning system must have a working engine cooling system. Any obstruction ahead of the air...
To maintain the set temperature conditions, the heating and air conditioning system must have a working engine cooling system. Any obstruction ahead of the air...
Air conditioning calibration
Note: do not press the buttons on the climate control panel during self-calibration. Pressing the buttons on the control panel during self-calibration will...
Note: do not press the buttons on the climate control panel during self-calibration. Pressing the buttons on the control panel during self-calibration will...
Volumes of liquids to be filled in the air conditioning system
When replacing some components of the air conditioning system, compressor oil must be added to the system (525). The volume of oil poured into the units of the...
When replacing some components of the air conditioning system, compressor oil must be added to the system (525). The volume of oil poured into the units of the...
Evaporator tube — removal and installation
Withdrawal Cadillac Escalade (models before 2005) 1. Pump out the coolant from the air conditioning system. 2. Remove the expansion tank of the engine cooling...
Withdrawal Cadillac Escalade (models before 2005) 1. Pump out the coolant from the air conditioning system. 2. Remove the expansion tank of the engine cooling...
Tube with expansion jet
Withdrawal Cadillac Escalade (models before 2005) 1. Pump out the coolant from the air conditioning system. 2. (C69 models) Remove the air filter if necessary....
Withdrawal Cadillac Escalade (models before 2005) 1. Pump out the coolant from the air conditioning system. 2. (C69 models) Remove the air filter if necessary....
Air conditioning compressor — removal and installation
Air conditioning compressor (mechanical models). 1 - air conditioning compressor, 2 - air conditioning compressor connector, 3 - pressure switch connector, 4 -...
Air conditioning compressor (mechanical models). 1 - air conditioning compressor, 2 - air conditioning compressor connector, 3 - pressure switch connector, 4 -...
Refrigerant outlet hose
Withdrawal 1. Pump out the coolant from the air conditioning system. 2. Remove the bolt (2) fastening the refrigerant outlet hose to the air conditioning...
Withdrawal 1. Pump out the coolant from the air conditioning system. 2. Remove the bolt (2) fastening the refrigerant outlet hose to the air conditioning...
Refrigerant hose
Withdrawal 1. Pump out the coolant from the air conditioning system. 2. Turn away a bolt of fastening of a hose of a supply of refrigerant to the conditioner...
Withdrawal 1. Pump out the coolant from the air conditioning system. 2. Turn away a bolt of fastening of a hose of a supply of refrigerant to the conditioner...
Relay for switching on the air conditioning compressor
Withdrawal 1. Remove the cover from the fuse box (1), located in the engine compartment. 2. Remove the relay for turning on the air conditioner (2) from the...
Withdrawal 1. Remove the cover from the fuse box (1), located in the engine compartment. 2. Remove the relay for turning on the air conditioner (2) from the...
Refrigerant high pressure sensor
Pressure sensor in the high pressure circuit of the refrigerant circulation and the electromagnetic clutch of the air conditioning compressor. 1 - pressure...
Pressure sensor in the high pressure circuit of the refrigerant circulation and the electromagnetic clutch of the air conditioning compressor. 1 - pressure...
Low refrigerant pressure sensor
Withdrawal 1. Disconnect the low pressure sensor electrical connector. 2. Remove the pressure sensor in the low pressure circuit from the accumulator. 3....
Withdrawal 1. Disconnect the low pressure sensor electrical connector. 2. Remove the pressure sensor in the low pressure circuit from the accumulator. 3....
Air conditioner condenser — removal and installation
Note: Installation is in the reverse order. If the condenser is replaced, fill the new condenser with the correct amount of A/C oil. See section " Volumes of...
Note: Installation is in the reverse order. If the condenser is replaced, fill the new condenser with the correct amount of A/C oil. See section " Volumes of...
Air conditioner battery — removal and installation
Pressure switch and air conditioner accumulator. 1 - auxiliary battery relay, 2 - air conditioner battery, 3 - pressure switch, 4 - wheel well, 5 - coolant...
Pressure switch and air conditioner accumulator. 1 - auxiliary battery relay, 2 - air conditioner battery, 3 - pressure switch, 4 - wheel well, 5 - coolant...
Air conditioning unit
Withdrawal 1. Drain the coolant from the engine cooling system. See chapter " Cooling system ". 2. Using a special tool, disconnect the coolant supply hose...
Withdrawal 1. Drain the coolant from the engine cooling system. See chapter " Cooling system ". 2. Using a special tool, disconnect the coolant supply hose...
Air conditioner evaporator radiator
Withdrawal Note: When installing the evaporator radiator, add compressor oil to the A/C system. Cadillac Escalade (models before 2005) 1. Disconnect the wire...
Withdrawal Note: When installing the evaporator radiator, add compressor oil to the A/C system. Cadillac Escalade (models before 2005) 1. Disconnect the wire...
Air conditioning blower motor resistor
Withdrawal 1. Remove the sound deadening pad. 2. Disconnect the fan motor connector. 3. Disconnect the resistor wiring connector. 4. Turn away screws of...
Withdrawal 1. Remove the sound deadening pad. 2. Disconnect the fan motor connector. 3. Disconnect the resistor wiring connector. 4. Turn away screws of...
Air conditioner blower motor
Withdrawal Cadillac Escalade (models before 2005) 1. Disconnect a wire from the negative plug of the storage battery. 2. Remove the glove box. 3. Remove...
Withdrawal Cadillac Escalade (models before 2005) 1. Disconnect a wire from the negative plug of the storage battery. 2. Remove the glove box. 3. Remove...
Heater radiator — removal and installation
Cadillac Escalade (models before 2005) 1. Drain the coolant from the engine cooling system. 2. Remove the glove box. 3. Disconnect all wiring connectors. 4....
Cadillac Escalade (models before 2005) 1. Drain the coolant from the engine cooling system. 2. Remove the glove box. 3. Disconnect all wiring connectors. 4....
Resistor for auxiliary air conditioner blower motor
Withdrawal 1. Remove the side trim of the luggage compartment on the right side. 2. Disconnect the wiring connector from the auxiliary fan resistor. 3. Turn...
Withdrawal 1. Remove the side trim of the luggage compartment on the right side. 2. Disconnect the wiring connector from the auxiliary fan resistor. 3. Turn...
Additional air conditioner fan
Withdrawal 1. Remove the side trim of the luggage compartment on the right side. 2. Disconnect wiring connectors. 3. Loosen the screws that secure the...
Withdrawal 1. Remove the side trim of the luggage compartment on the right side. 2. Disconnect wiring connectors. 3. Loosen the screws that secure the...
Expansion valve — removal and installation
Withdrawal 1. Remove the evaporator radiator. 2. Carefully remove the seal. 3. Remove the retainer securing the evaporator tube to the expansion valve. 4....
Withdrawal 1. Remove the evaporator radiator. 2. Carefully remove the seal. 3. Remove the retainer securing the evaporator tube to the expansion valve. 4....
Additional air conditioning unit
Withdrawal 1. Pump out the coolant from the air conditioning system. 2. Drain the coolant from the engine cooling system. 3. Raise the vehicle. 4. Disconnect...
Withdrawal 1. Pump out the coolant from the air conditioning system. 2. Drain the coolant from the engine cooling system. 3. Raise the vehicle. 4. Disconnect...
Radiator for heater and evaporator for auxiliary air conditioner
Withdrawal Cadillac Escalade (models before 2005) 1. Pump out the coolant from the air conditioning system. 2. Remove the side trim of the luggage compartment....
Withdrawal Cadillac Escalade (models before 2005) 1. Pump out the coolant from the air conditioning system. 2. Remove the side trim of the luggage compartment....
Additional evaporator tube
Withdrawal 1. Pump out the coolant from the air conditioning system. 2. Disconnect the tubes (3) additional evaporator from the condenser tube (2) and battery...
Withdrawal 1. Pump out the coolant from the air conditioning system. 2. Disconnect the tubes (3) additional evaporator from the condenser tube (2) and battery...
Climate control panel
Withdrawal Cadillac Escalade (models before 2005) 1. Remove an overlay of the panel of devices. 2. Remove the radio. 3. Gently press the tabs and remove the...
Withdrawal Cadillac Escalade (models before 2005) 1. Remove an overlay of the panel of devices. 2. Remove the radio. 3. Gently press the tabs and remove the...
Temperature control servo
Withdrawal Models up to 2005 1. Disconnect a wire from the negative plug of the storage battery. 2. (Cadillac Escalade) Rotate the instrument panel. 3....
Withdrawal Models up to 2005 1. Disconnect a wire from the negative plug of the storage battery. 2. (Cadillac Escalade) Rotate the instrument panel. 3....
Temperature control servomotor for auxiliary air conditioner
Withdrawal 1. Remove the side trim of the luggage compartment on the right side. 2. (Models since 2007, Behr) Move the air conditioning unit to improve access...
Withdrawal 1. Remove the side trim of the luggage compartment on the right side. 2. (Models since 2007, Behr) Move the air conditioning unit to improve access...
Servo drive for switching ventilation modes
Withdrawal Cadillac Escalade (models before 2005) 1. Disconnect the electrical connector from the ventilation mode switch servo located to the left of the air...
Withdrawal Cadillac Escalade (models before 2005) 1. Disconnect the electrical connector from the ventilation mode switch servo located to the left of the air...
Servo drive for ventilation modes of the additional air conditioner
Withdrawal 1. Remove the side trim of the luggage compartment on the right side. 2. Disconnect the wiring connector of the servomotor of the ventilation modes...
Withdrawal 1. Remove the side trim of the luggage compartment on the right side. 2. Disconnect the wiring connector of the servomotor of the ventilation modes...
Front control panel for additional climate control
Withdrawal 1. (Models up to 2007) Loosen the top console screw. Tightening torque 2 Nm. 2. Detach the upper console from the roof trim. 3. Disconnect the...
Withdrawal 1. (Models up to 2007) Loosen the top console screw. Tightening torque 2 Nm. 2. Detach the upper console from the roof trim. 3. Disconnect the...
Rear air conditioner control panel
Withdrawal Cadillac Escalade (models before 2005) 1. Remove trim. 2. Carefully detach the control panel from the roof trim. 3. Disconnect wiring connectors. 4....
Withdrawal Cadillac Escalade (models before 2005) 1. Remove trim. 2. Carefully detach the control panel from the roof trim. 3. Disconnect wiring connectors. 4....
Recirculation mode servo
Withdrawal Delphi 1. (Models up to 2005) Remove the upper and lower trims of the instrument panel. 2. (Models up to 2005) Remove the front passenger airbag. 3....
Withdrawal Delphi 1. (Models up to 2005) Remove the upper and lower trims of the instrument panel. 2. (Models up to 2005) Remove the front passenger airbag. 3....
Coolant bypass valve
Withdrawal 1. Drain the coolant from the engine cooling system. See chapter " Cooling system ". 2. Disconnect the clamps securing the refrigerant outlet pipe...
Withdrawal 1. Drain the coolant from the engine cooling system. See chapter " Cooling system ". 2. Disconnect the clamps securing the refrigerant outlet pipe...
Control valve — removal and installation
Withdrawal 1. Drain the coolant from the engine cooling system. 2. Loosen the trim panel nut located next to the filter. 3. Remove trim panel. 4. Before...
Withdrawal 1. Drain the coolant from the engine cooling system. 2. Loosen the trim panel nut located next to the filter. 3. Remove trim panel. 4. Before...
Auxiliary climate control unit
Withdrawal Mechanical Models 1. Remove the rear air conditioner control panel. 2. Disconnect the auxiliary climate control unit (2) from bracket (3). 3. Remove...
Withdrawal Mechanical Models 1. Remove the rear air conditioner control panel. 2. Disconnect the auxiliary climate control unit (2) from bracket (3). 3. Remove...
Fan speed control unit (with automatic control)
Withdrawal Air conditioner main unit 1. Remove the sound deadening pad. 2. Disconnect the fan motor wiring connector. 3. Disconnect the connector (4) from the...
Withdrawal Air conditioner main unit 1. Remove the sound deadening pad. 2. Disconnect the fan motor wiring connector. 3. Disconnect the connector (4) from the...
Fan speed switch for auxiliary air conditioner
Withdrawal 1. Detach the upper console (1) from the roof finish. 2. Press the latches and remove the switch (2) from the top console. 3. Disconnect the wiring...
Withdrawal 1. Detach the upper console (1) from the roof finish. 2. Press the latches and remove the switch (2) from the top console. 3. Disconnect the wiring...
Additional air conditioning unit
Withdrawal 1. Remove the interior trim of the luggage compartment on the right side. 2. Disconnect the wiring connector of the electronic fan motor control...
Withdrawal 1. Remove the interior trim of the luggage compartment on the right side. 2. Disconnect the wiring connector of the electronic fan motor control...
Outdoor temperature sensor
Withdrawal 1. (Models up to 2007) Remove the turn signal bulb. 2. (Models since 2007) Detach the upper part of the grille mounting and carefully pull it...
Withdrawal 1. (Models up to 2007) Remove the turn signal bulb. 2. (Models since 2007) Detach the upper part of the grille mounting and carefully pull it...
Cabin air temperature sensor
Withdrawal 1. Remove finishing of a forward rack from the left side. 2. Remove the left center auxiliary handle. 3. Remove finishing of the left central rack....
Withdrawal 1. Remove finishing of a forward rack from the left side. 2. Remove the left center auxiliary handle. 3. Remove finishing of the left central rack....
Additional interior air temperature sensor
Withdrawal 1. Remove finishing of a back rack. 2. Remove the clothes hook on the left side. 3. Disconnect the clips securing the rear of the roof trim to the...
Withdrawal 1. Remove finishing of a back rack. 2. Remove the clothes hook on the left side. 3. Disconnect the clips securing the rear of the roof trim to the...
Temperature sensors — removal and installation
Upper right and left sensors 1. Remove the top finishing of the panel of devices. See chapter " Body ". 2. Disconnect the electrical connector (1) upper right...
Upper right and left sensors 1. Remove the top finishing of the panel of devices. See chapter " Body ". 2. Disconnect the electrical connector (1) upper right...
Sunlight sensor
Withdrawal 1. Remove the upper decorative overlay of the instrument panel (see chapter " Body "). 2. Remove from the upper decorative overlay of the instrument...
Withdrawal 1. Remove the upper decorative overlay of the instrument panel (see chapter " Body "). 2. Remove from the upper decorative overlay of the instrument...
This section is available at russian, bulgarian, belarusian, ukrainian, serbian, croatian, romanian, polish, slovak, hungarian
See similar sections on Chevrolet cars:
Electrical equipment: Heating and air conditioning Chevrolet Aveo T300 (2012-2018)
Body: Heating and ventilation Chevrolet Captiva 1 (2006-2018)
Body: Heating and air conditioning Chevrolet Cruze 1 (2008-2016)
Body: Heating and air conditioning Chevrolet Lacetti 1 (2002-2009)
Body: Heating and air conditioning Chevrolet Lanos T150 (2002-2009)
Body: Ventilation and heating Chevrolet Niva 1 (2002-2016)
Body: Heating and air conditioning Chevrolet Lumina 1 (1989-1994)
Electrical equipment: Heating and air conditioning Chevrolet Aveo T300 (2012-2018)
Body: Heating and ventilation Chevrolet Captiva 1 (2006-2018)
Body: Heating and air conditioning Chevrolet Cruze 1 (2008-2016)
Body: Heating and air conditioning Chevrolet Lacetti 1 (2002-2009)
Body: Heating and air conditioning Chevrolet Lanos T150 (2002-2009)
Body: Ventilation and heating Chevrolet Niva 1 (2002-2016)
Body: Heating and air conditioning Chevrolet Lumina 1 (1989-1994)
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