Heating and air conditioning system Volkswagen Tiguan 1

Heater device
Before removing components marked **, disconnect the battery. 1 - Front panel** 2 - Central deflector 3 - Front passenger air vent 4 - Block of rotary controls for heater and...

Removal and installation of heater elements
Removal the heat shield Unscrew the plastic screws "2" and remove the heat shield "1". Installing a seal between the heater and the engine compartment First insert the seal...

Removal and installation the heat exchanger
CAUTION: Be careful not to get burned by hot liquid. The coolant temperature of a warm engine can exceed 100°C. The liquid in the cooling system is under pressure. Wait until the...

Checking the heating element of the additional air heater
The periphery of the auxiliary air heater heating element "Z35" (load signal for alternator terminal DF, relay for low heating power "J359", relay for high heating power "J360",...

Checking the exhaust ventilation
Instructions: Air is discharged through the exhaust vents in the walls of the luggage compartment. For normal ventilation operation, the exhaust vents must not be blocked. The...

Removal and installation of inlet ventilation grilles
Remove the casing from the left side of the water drainage box and the cover above the inlet ventilation grille. Instructions: From the 22nd calendar week of 2008, a bracket with...

Removal and installation the heater
Instructions: For better accessibility (depending on engine option) it is necessary to additionally remove some parts, for example, the engine casing. Remove the front panel....

Heater parts and components
Heater Instructions: Checking: using the tester -VAS 5051B- (or the subsequent model) 1 - Temperature control flap drive 2 - Bracket 3 - Casing 4 - Actuating electric motor for...

Heater and air conditioning system Climatic
Instructions: Before removing units marked **, disconnect the battery. The plate on the front support panel informs about the type of refrigerant used and the filling volume of...

Functions of the control keys for the heater and air conditioning system Climatic
1 - Driver's seat heating regulator "E94" (optional) 2 - When you press the "AC" button, the air conditioning compressor turns on 3 - Rear window heating switch "E230" 4 - Front...

Removal and installation of the rotary control unit of the heater and air conditioning system Climatic
Instructions: The rotary control unit consists of two separate parts. Before removing the unit, set the rotary controls to the following positions: heater control to "cold", fan...

Electrical connectors of the rotary control unit of the heater and air conditioning system Climatic
The arrangement of contacts in the connectors on the rear wall of the heater and climate control unit "Climatic". 20-pin connector, designated on the diagram as T20c 3 - Central...

Checking the drain hose for water condensate of the heating and air conditioning module
Remove the footwell trim on the front passenger side. The drain hose outlet is located under the floor fabric and sound-insulating foam. Instructions: Drain hose 1 should be...

Removal and installation the air recirculation flap actuator motor
Remove the glove compartment. Remove the cover "1" of the actuator motor. Disconnect the connector from the actuator motor of the recirculation flap "V113" "2". Remove the...

Removal and installation the actuator motor of the temperature control flap
Removal Remove the left footwell air duct. Remove the driver's side footwell trim. Remove the data bus diagnostic interface "J533". Unscrew the bolts "3" (9±1.3 Nm). Do not...

Removal and installation the footwell air duct temperature sensor
Remove the front panel. Disconnect the connector from the footwell air duct temperature sensor "G192" "1". Turn the temperature sensor "G192" by 90° and remove it from the housing.

Removal and installation the central deflector temperature sensor
Remove the trim from the left side of the front panel. Disconnect the connector from the central air vent temperature sensor "G191" "1". Central deflector temperature sensor...

Outside temperature sensor
Disconnect the central ventilation grille fasteners from the front bumper trim. Disconnect the outside temperature sensor "G17" "1" from the holder and disconnect the electrical...

Air conditioning system with automatic control Climatronic
Instructions: When pressing the AUTO button, all presets that differ from those set by the automatic mode are cancelled. When the AC button is turned on, the air conditioning...

Location of parts and units of the Climatronic air conditioning system in the car interior
Instructions: Before removing units marked ** disconnect the battery. The car has a plate that informs about the type of refrigerant used and the filling volume of the system....

Electrical connectors of the Climatronic control unit
The arrangement of contacts in connectors A, B and C on the rear panel of the Climatronic control unit "J25S". 20-pin connector, designated on the diagram as T20c "A" 1 - Signal...

Removal and installation the control panel and display of the Climatronic climate control system
Instructions: The Climatronic "J255" control unit and the Climatronic "E87" climate control and indicator panel are a single, non-separable unit. Remove the heater and air...

Removal and installation the supply fan control unit
Remove the supply fan "V2". Disconnect connector "1" from the supply fan "V2". Unscrew the screws "arrows".

Climatronic evaporator housing
Remove the climate control module. Separate the air distributor/evaporator housing from the climate control module. 1 - Evaporator body: lower part 2 - Evaporator, check thermal...

Removal and installation the left footwell air duct temperature sensor
Remove the front panel. Disconnect the connector from the left footwell duct temperature sensor "G261" "1". Turn the left footwell air duct temperature sensor "G261" "1" 90° and...

Removal and installation the right footwell air duct temperature sensor
Instructions: For clarity, the right footwell air duct temperature sensor "C262" is shown with the front panel removed. In fact, the front panel does not need to be removed in...

Removal and installation the evaporator temperature sensor
Remove the footwell trim "1" from the front passenger seat side. Disconnect the connector of the evaporator temperature sensor "G308" or the evaporator outlet air temperature...

Description of the air pollution sensor operation
The air pollution sensor detects the presence of harmful substances in the outside air (mainly exhaust gases from petrol and diesel engines). The Climatronic control unit "J255"...

Removal and installation of the air pollution sensor (cars from calendar week 22/08)
Instructions: The air pollution sensor "G238" is installed at the front right in the direction of travel, on the air intake grille in the water drainage box. The air pollution...

Removal the temperature sensor of the left and right deflectors
Instructions: Removing the sensors on both sides is done in the same way. Remove the trim from the right or left side of the front panel. Disconnect connector "1" from temperature...

Removal the G107 and G134 light sensors
Remove the light sensor "G107" "1" from the front panel using the wedge "3409". Disconnect the electrical connector from the light photo sensor "G107".

Removal and installation of the actuator motor of the supply ventilation flaps
Removal Remove the glove compartment. Unscrew screws "1" (1.4 Nm). Actuator of the fresh air/recirculation/air intake flaps "V425" "2" turn approximately 15° in the direction of...

Removal and installation the control mechanism of the supply ventilation flaps
Removal Remove the actuator motor of the fresh air/recirculation/air intake flaps "V425" with the actuator motor of the fresh air/recirculation/air intake flaps potentiometer...

Removal and installation the actuator motor of the right temperature control flap
Remove the glove compartment. Remove the right footwell air duct. Disconnect the connector on the right temperature control flap actuator motor "V159". Unscrew the mounting bolts...

Removal and installation the central flap actuator motor
Remove the front panel. Disconnect the connector on the central flap actuator motor "V70". Unscrew the mounting bolts "1" 1.4 Nm and remove the central flap actuator motor "V70"....

Fluids for air conditioning systems
Refrigerant R134a Air conditioning compressor Manufacturer Gross weight 7SEU16C denso company 680 g RXE17 sanden company 660 g Oil for refrigerant circuit For air conditioning...

Safety precautions when working with the Thermo Top V additional heater
It is prohibited to turn on the additional heater in places where there is a risk of fire or explosion. It is prohibited to turn on the additional heater in closed rooms that are...

Repair of additional heater Thermo Top V
Disconnect the battery. Instructions: A manufacturer's plate is attached to the additional heater. This plate contains information about the type and design of the heater...

Manufacturer's plates on the Thermo Top V heater
Manufacturer's plate attached to the Thermo Top V heater (diesel). Nameplate attached to the Thermo Top V heater (petrol). Nameplate attached to the Thermo Top V heater (diesel,...

Removal and installation of the heater exhaust system
Remove the noise-insulating casing. Loosen the exhaust pipe mounting clamp "1" and unscrew the screws "2" and "3" (6 Nm). Remove the exhaust system.

Removal and installation the heater radio signal receiving device
Open the hatch on the right side trim of the luggage compartment. Disconnect connectors "1" and "2". Remove the radio signal receiver device of the additional liquid heater "R149"...

Crush and install additional heater Thermo Top V
Instructions: After depressurizing the coolant circulation circuit, it is necessary to remove air from it. When the engine is warm, the liquid in the cooling system is under...

Removal and installation of additional heater attachments Thermo Top V
Installing a muffler on the intake Place the muffler on the inlet of the heater in the direction of "arrow A" and secure it to the bracket in the direction of "arrow B". Removal...

Disassembly and assembly of the additional heater Thermo Top V
Remove the add-on units of the Thermo Top V additional heater. Loosen clamp "E" and remove the muffler with bracket "D". Remove bracket "H". Disconnect connectors "A", "B" and...

Connection diagram of an additional heater to the cooling circuit
1 - Expansion tank 2 - EGR radiator 3 - Heat exchanger heater with quick-release fitting 4 - Cylinder head/cylinder block 5 - Engine oil cooling radiator 6 - Coolant circulation...

Removal and installation the auxiliary heater control unit
Remove the cover of the additional heater control unit "J364". Disconnect connectors "A" and "C" and unscrew the screws "arrows". Instructions: When assembling, the wiring harness...

Removal and installation a glow plug with a flame sensor
Instructions: The figure shows the version for a vehicle with a diesel engine and a heating element for preheating the fuel "Z66" built into the combustion chamber pipe. Using a...

Removal and installation the temperature sensor and overheating sensor
Unscrew screw "1" and remove spring "2". Using round-nose pliers, remove temperature sensor "G18" "3" and overheating sensor "G189" "4". Remove the wiring harness and disconnect...

Power supply system of the heater Thermo Thor V
CAUTION: Danger! Fuel leakage! Fuel is supplied to the heater from the nipple on the fuel level sensor "G" "arrow". The fuel level sensor "G" is located on the right under the...

Removal and installation of the dosing pump of the Thermo Top V heater
Instructions: The dosing pump "V54" for a diesel heater has a gray plastic housing, and for a gasoline heater - a black housing. Fuel shut-off valve "N109" (in the additional...

Thermo Top V additional heater control
The additional heater is designed to heat the coolant. Depending on the need for additional heat, the heater can operate in the following modes. Description of operation of the...

Description of heater operation when controlled via radio channel
Instructions: The additional heater can be switched on and off via radio from a distance of approximately 600 meters (in the open). In built-up areas and when operating the heater...

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