This Valeo heater servo motor is a direct-fit HVAC actuator designed for Citroën C4 II and Peugeot 308 T7 models. It controls the movement of heater/ventilation flaps to regulate airflow direction and blend temperature inside the passenger compartment. The part is commonly searched by product codes such as T1009914P and 6479E7, making it easy for professional technicians and DIY enthusiasts to find the correct replacement.

Designed for workshops and competent DIY mechanics, this servo motor restores precise flap control, eliminates erratic ventilation behaviour and reduces unwanted noises from the dashboard area. Typical symptoms that indicate a faulty actuator include inconsistent air distribution, inability to change temperature properly, clicking or grinding noises behind the dash, and stuck vent doors. Replacing the faulty actuator returns full HVAC functionality and improves cabin comfort.

Technical Information

• Manufacturer: Valeo
• Model: Citroën C4 II; Peugeot 308 T7
• Product Codes: T1009914P; A 6479E7
• Other Numbers: 64790000000

Function

The unit is an electric servo (HVAC actuator) that drives heater and ventilation flaps (air distribution and blend doors). It converts electrical control signals from the climate control module into mechanical movement of internal ducts, enabling proper temperature mixing and airflow direction.

How To Replace

• Safety First: Always disconnect the battery before starting work to avoid short circuits and potential damage to electronic components.
• Access: Depending on the model, access is typically gained by removing the glovebox or a small dashboard panel on the passenger side to reach the HVAC housing.
• Disconnect: Unplug the electrical connector and remove the retaining screws or clips that hold the actuator in place.
• Remove & Install: Remove the old actuator, fit the new unit in the same orientation, secure fasteners and reconnect the electrical connector.
• Test: Reconnect the battery, cycle the ignition and operate the climate controls to verify smooth flap movement and correct airflow. In most cases the actuator is plug-and-play and requires no additional programming.

Installation Recommendations

• Follow vehicle manufacturer access and removal procedures to avoid damaging dash trim or HVAC components.
• Handle the servo and its plastic gears carefully; do not force linkages when fitting to prevent gear stripping.
• Check and clear any debris or foreign objects inside the HVAC housing that might obstruct flap movement.
• If unusual noises persist after replacement, inspect linkages and duct mounts for binding or broken clips.

Why The Part Most Commonly Fails

Actuators commonly fail due to worn or stripped plastic gears, internal potentiometer wear, motor burnout from prolonged use or overload, and ingress of moisture or dust leading to corrosion. Repeated full-range cycling, high mileage, and brittle plastic after long-term heat exposure accelerate wear. Mechanical stress from obstructed flaps or broken mounting points can also cause premature failure.

Buy this Valeo heater servo motor if you need a reliable replacement for faulty HVAC flap control on Citroën C4 II or Peugeot 308 T7. The product codes listed above help ensure quick identification and fitment for repair jobs in the workshop or for competent DIY maintenance.

High-quality Valeo HVAC servo motor designed as a direct-fit motor-reducer for climate control systems on selected Citroën and Peugeot models. Ideal for professional workshops and experienced DIY mechanics, this servo restores precise flap movement and reliable airflow direction control in the HVAC unit. Frequently searched under product codes T1000467T, 2512101A and 647914, this part is a common replacement when doors stick, make noise, or fail to respond to climate system commands.

Key Features And Benefits

– Direct-fit replacement for the original HVAC actuator with internal reduction gearing for increased torque and smooth operation.
– Restores correct distribution of air (mode doors) and contributes to proper temperature regulation when the blend door is affected.
– Commonly used by garages and home mechanics as a cost-effective repair to avoid more complex HVAC disassembly.
– Supplied with standard electrical connector compatible with original harness (verify pin layout before installation).

How It Works And Typical Symptoms

This motor-reducer drives the HVAC flaps (mode/blend/recirculation as applicable) to control airflow direction and mixing of hot/cold air. Typical failure symptoms include clicking or grinding noises from the dashboard, vents stuck in a single position, incorrect airflow direction, fluctuating cabin temperature, or no response when changing climate settings. In some vehicles the climate system may report a fault code related to flap position or actuator circuit.

Replacement Guide

Basic replacement steps (vehicle-specific access may vary):
1. Disconnect the negative battery terminal before beginning work.
2. Remove the necessary trim panels or glovebox to access the HVAC housing (locations differ by model).
3. Unplug the electrical connector from the actuator and remove the securing screws or clips.
4. Carefully extract the old unit, noting the orientation and spline alignment of the drive shaft.
5. Fit the new motor-reducer, align the splines, secure with screws, and reconnect the electrical plug.
6. Reassemble trim and reconnect the battery. Run the climate controls through full cycles to confirm correct movement and operation.

Installation Recommendations

– Always disconnect the battery before removal and follow the vehicle manufacturer’s instructions to avoid damage to electrical components.
– Verify connector pinout and physical fit before final installation.
– After fitting, operate the HVAC through its full range (hot/cold and all mode positions) to ensure proper calibration and that no obstructions remain in the ducting.
– If access is restricted or calibration is required beyond simple cycling, have the job performed by a qualified technician.

Most Common Failure Causes

– Worn or broken plastic gears inside the reducer due to age and repeated motion.
– Water ingress or contamination from leaks in the HVAC housing or cowl area.
– Overheating or electrical faults causing motor failure.
– Mechanical obstruction or collapsed ducting placing extra load on the actuator.

Technical Information

• Manufacturer: Valeo
• Model: Citroën C2; Citroën C3; Citroën C3 Picasso; Citroën C4 II; DS4; Peugeot 308
• Product Codes: T1000467T, 2512101A, 647914
• Additional Numbers: 2512101A, 647914, T1000467T

Notes For Mechanics

This actuator is aimed at professionals and competent DIYers. Keep replacement parts and fasteners organized during disassembly to ensure correct reinstallation. If the HVAC system continues to behave irregularly after replacing the actuator, inspect ducting, flap mechanisms and electrical supply for related issues.

Overview

This Valeo heater servo motor (actuator) is designed for HVAC systems in various Citroën and Peugeot models. It operates the climate control flaps and blend doors to regulate airflow direction and cabin temperature. Commonly sought under product codes T1006419G and 1411111B (also referenced as 6447NL), this unit is a direct-fit electromechanical replacement for worn or failed HVAC actuators.

Compatibility

Typical fitment includes, but is not limited to: Citroën C2, Citroën C3, Citroën C4 II and Peugeot 308. Always verify the part numbers T1006419G / 1411111B / 6447NL against the existing unit on the vehicle to confirm fitment.

Function

The servo motor moves internal HVAC flaps (mode and blend doors) to direct airflow to the windscreen, footwell or face vents and to mix hot and cold air for temperature control. It contains a small DC motor with reduction gears and position feedback (often via a potentiometer or end-stop detection) to set and hold flap position.

How Replacement Is Performed

Replacement is a job suitable for experienced DIYers and professional technicians. Typical procedure:

• Disconnect the negative battery terminal before starting to avoid short circuits and protect vehicle electronics.
• Gain access to the HVAC actuator location – commonly behind the glovebox, under the dashboard or near the center console depending on the model.
• Remove trim panels or glovebox to expose the actuator. Take care with fasteners and clips to avoid damage.
• Unplug the electrical connector and remove the mounting screws securing the actuator to the HVAC housing.
• Install the new servo motor in the correct orientation, secure mounting screws, and reconnect the electrical connector.
• Reconnect the battery, then cycle the HVAC controls through all positions to confirm correct movement and eliminate calibration faults before reassembling trim.

Technical Information

• Manufacturer: Valeo
• Model: Citroën / Peugeot HVAC Servo Motor
• Product Codes: T1006419G, 1411111B
• Additional Numbers: 6447NL

Installation Recommendations

• Work on a cool, stable surface with good lighting. Keep removed screws and clips organized for reassembly.
• Disconnect the battery before removing electrical components to reduce risk to vehicle electronics.
• Inspect the connector and wiring harness for corrosion or damage; repair as necessary to prevent repeat failures.
• After installation, cycle HVAC functions and verify full travel of flaps. Some systems self-calibrate; others may require a simple initialization routine via the climate controls.
• If access is difficult or the vehicle has integrated climate control modules, consider professional installation to avoid accidental damage to dash components or airbags.

Why This Part Fails

Failure modes are typically mechanical or electrical: worn or stripped plastic gears inside the actuator, worn motor brushes, seized geartrain from dirt or humidity ingress, connector corrosion, or broken mounting tabs. Symptoms include clicking noises from the dash, stuck or mispositioned flaps, inconsistent airflow distribution, or incorrect cabin temperature control. Long service life, exposure to moisture, and repeated actuator cycling increase the likelihood of failure.

Benefits Of Replacing The Servo Motor

• Restores correct airflow distribution and temperature control.
• Eliminates clicking noises and intermittent HVAC malfunctions.
• Direct-fit replacement with original referenced product codes for straightforward installation.

Notes For Buyers

Part numbers on the unit are commonly used when searching for replacements: T1006419G, 1411111B and 6447NL. This description uses OEM-referenced codes and common model names to improve searchability and help mechanics or DIYers find the correct unit quickly.

The Valeo heater servo motor is a direct-fit replacement part designed to restore accurate control of HVAC flaps and temperature blending on a range of Citroën and Peugeot models. Built as a compact motor with an integrated reduction gearbox, this unit drives the internal doors and flaps in the climate unit to regulate airflow distribution and cabin temperature. Ideal for professional garages and experienced DIYers, the part matches common OEM mounting points and electrical connections to simplify replacement and get the system operating again quickly.

Technical Information

• Manufacturer: Valeo
• Vehicle Model: Citroën C2, Citroën C3, Citroën C4 II, Peugeot 308
• Product Codes: T1006419G, 1205091B
• Other Numbers: 6447NL, 6447.NL

Function

This servo motor (motoreductor) actuates the heater/air‑conditioning flaps (blend doors and distribution flaps) inside the HVAC housing. By moving internal gears and linkages it controls the mix of hot and cold air and directs flow to windscreen, face or footwell outlets. Proper operation is essential for accurate cabin temperature regulation and defogging performance.

Compatibility

Designed for selected Citroën and Peugeot climate units. Commonly fitted to Citroën C2, C3 and C4 II platforms and Peugeot 308 applications. Check the product codes listed above against the broken unit to confirm match.

Replacement Procedure

Replacement typically requires access to the HVAC unit behind the dashboard (glovebox or lower dash trim removal may be necessary). General steps:

• Disconnect the negative battery terminal before starting work.
• Remove relevant trim panels or glovebox to reach the climate unit.
• Unplug the electrical connector from the servo motor and remove fixing screws.
• Extract the old servo, transfer any linkages as needed and fit the new unit in the correct position.
• Reconnect the electrical connector, reassemble trims and reconnect the battery.
• Cycle the HVAC controls through full range to confirm movement; some vehicles perform automatic calibration on first use.

Installation Recommendations

• Always Disconnect The Battery Before Demounting To Avoid Short Circuits And Prevent Damage To The Unit.
• Inspect Linkages And Flap Mechanisms For Physical Damage Or Obstructions Before Installing The New Servo.
• Handle The Unit Carefully To Avoid Damaging Plastic Gear Teeth Or The Electrical Connector.
• If The HVAC System Requires Calibration After Replacement, Follow Manufacturer Procedures Or Use Diagnostic Equipment Where Available.

Most Common Failure Causes

Servo motors of this type commonly fail due to mechanical wear or plastic gear damage inside the reduction gearbox. Symptoms include intermittent or stuck flaps, unusual noises (grinding or clicking) from the dashboard area, incorrect temperature mixing or loss of airflow direction control. Other causes are moisture ingress, debris jamming the mechanism, worn motor brushes or seized bearings. Failure usually appears after extended service life or when internal gears strip under load.

Why Choose This Part

Provides a cost‑effective way to restore HVAC function without replacing the whole climate unit. The part offers direct compatibility with common mounting and electrical interfaces used on affected Citroën and Peugeot models, making it a practical choice for repair shops and competent DIY mechanics looking to return full heating and ventilation control to the vehicle.

Original VALEO heating servomotor for Citroën and Peugeot. This electric drive HVAC flap ensures accurate reconstruction of the mixing and distribution flaps in the heating/air conditioning unit. If you hear repeated clicking from the dashboard in the car, the temperature cannot be changed, the air flow remains only for one setting or only works on one side, the flap servomotor is to blame.

The part is suitable as a replacement for the original component of dog vehicles, where it is usually marked with code 6479E7 (OE) and production designation Valeo N101980g/E. It is often found, for example, with the Citroën C3 Picasso, Citroën C4 II and Peugeot 308. Thanks to the same geometry and electric interface, it fits into its original location without modifications and restores the correct air conditioning and heating function.

Installation is usually accessible from the passenger compartment after dismantling the side cover or clipboard (different according to the model). After disconnecting the battery, the electric connector is unlocked, the fastening screws of the servos are unscrewed and the part is simply exchanged for the original. After re -connecting the battery, leave the ignition on for several tens of seconds – the air conditioning control unit usually initiates the end positions of the flaps.

For accurate pairing according to the part, we recommend comparing the numbers from your original servos (label on the body) with the codes below. Properly selected servomotor saves time when repairing and stabilizes the operation of heating and air conditioning without unwanted sounds and irregular flow.

technical information

• Manufacturer: valeo
• Model: Citroën C3 Picasso | Citroën C4 II | Peugeot 308
• Product codes: Valeo N101980g/E | PSA 6479E7
• additional numbers: 94W1C (94W1C)

The key advantage of the original VALEO part is to the precise operation of the gear mechanism and a reliable position sensor that is critical for the smooth control of the flaps. A properly functioning servomotor significantly improves the comfort of the crew – the temperature and flow direction are set quickly and flawlessly.

This heating servo motor is a critical component of your vehicle’s heating system, ensuring proper distribution of thermal energy inside the cabin. It guarantees comfortable and warm driving conditions during cold seasons. Due to its vital role, regular inspection and timely replacement are recommended to maintain the efficiency of your vehicle’s heating system.

Technical Information

Manufacturer: Valeo
Model: Citroën C3 Picasso, Citroën C4 II, Peugeot 308
Product Codes: N101980G/E, 94P1D
Additional Numbers: Not available

This part is categorized under Cooling, Heating, Air Conditioning, and Electrical Components, specifically heating servo motors. It is a dependable used component in excellent condition, suitable for maintaining or restoring your vehicle’s heating functionality.

Take advantage of this opportunity to obtain a quality auto part that extends the lifespan and performance of your car. Order today to ensure your vehicle is prepared for the upcoming season.

This servo heater motor is a crucial component in your car’s heating system, ensuring proper distribution of thermal energy inside the cabin. Its function guarantees comfortable and warm driving during cold winter months. Due to its vital role, regular inspection and timely replacement are recommended to keep your heating system working efficiently.

Technical Information

Manufacturer: Valeo
Model: Citroën C3 Picasso, Citroën C4 II, Peugeot 308
Product Codes: N101980G/E, 94P1D
Additional Numbers: Information not available

This used part is in excellent condition and is categorized under Cooling, Heating, Climate Control & Electrical Components, specifically under Heater Servo Motors. Additional categorization tags include Citroën C3 Picasso, Citroën C4 II, and Peugeot 308.

Take advantage of this opportunity to acquire a quality automotive part that extends the life and functionality of your vehicle. Order today to ensure your car is prepared for the upcoming season.

This heating servo motor ensures efficient distribution of heat and air within the vehicle’s cabin. As a crucial part of the vehicle’s heating system, it is responsible for maintaining passenger comfort, especially during cold winter days. Replacing a faulty or damaged servo motor can significantly enhance the performance of your car’s heating and airflow systems.

Technical Information

• Manufacturer: Valeo
• Model: Citroën, Peugeot
• Product Codes: N101980G/E, 92M1D
• Additional Numbers: Not Available

If you are a professional mechanic or prefer to handle repairs yourself, you will appreciate the ease of installation and replacement of this servo motor. By installing this servo motor, you can replace an old or malfunctioning unit and ensure your vehicle continues to provide a comfortable environment during driving.

Investing in quality used replacement parts like this heating servo motor not only extends your vehicle’s lifespan but also contributes to reducing the environmental impact by reusing components and minimizing waste. Take a step towards more efficient and eco-friendly vehicle maintenance with our reliable heating servo motor.

Product Overview

This Valeo heater servo motor (also referred to as a climate control gear motor or HVAC blend/air distribution actuator) is designed for use in Citroën and Peugeot HVAC systems. It operates the internal flaps that direct airflow and control temperature mixing inside the ventilation unit. Commonly searched under part numbers T1006419G, 0312131B or 6447NL, this servo is a direct-fit replacement for a range of Stellantis small car models and is aimed at professional mechanics and DIY enthusiasts servicing Peugeot 308 and Citroën C2, C3 and C4 II vehicles.

Function And Symptoms

The servo motor converts electrical signals from the climate control into mechanical motion to move blend doors or air distribution flaps. When it starts to fail, typical symptoms include grinding or clicking noises from the dash, inability to change airflow direction or temperature, stuck vents, or intermittent operation of the HVAC controls. Replacing the faulty servo restores precise flap movement and eliminates erratic climate behaviour.

How To Replace

• Safety First: Disconnect the vehicle battery before starting any work on the HVAC electrics.
• Access: Depending on the model, access is usually via the glovebox, lower dashboard trim or center console to reach the heater box. Remove the necessary panels and mounting screws to expose the actuator.
• Removal: Unplug the electrical connector, remove mounting screws and extract the old servo. Note the position of any splines or indexing tabs.
• Installation: Fit the new servo in the correct orientation, secure with screws and reconnect the electrical plug. Verify full range of motion by operating the climate controls before refitting interior trims.
• Final Check: Reconnect the battery, run the HVAC through all modes and temperatures, listen for smooth operation and confirm vents respond correctly.

Technical Information

• Manufacturer: Valeo
• Model: Heater Servo Motor / HVAC Actuator
• Product Codes: T1006419G, 0312131B
• Other Numbers: 6447NL

Installation Recommendations

Always work with the battery disconnected and follow the vehicle manufacturer’s removal and installation sequence to avoid damaging connectors or control circuits. Test the new unit’s movement before reassembling the dashboard. Use the correct sized tools and avoid forcing plastic gears—if the actuator does not move freely, double-check fitment and alignment. Where available, verify actuator operation through the vehicle diagnostic menu after installation.

Most Common Failure Causes

• Plastic Gear Wear Or Stripping: Repeated use and aging can wear or break internal plastic gears, the most frequent cause of failure.
• Motor Or Brush Wear: The small DC motor or its brushes can wear out, causing intermittent or no movement.
• Water Ingress Or Corrosion: Moisture reaching the actuator can corrode contacts or impede movement.
• Obstruction Or Misalignment: Debris in the heater box or incorrect seating can overload the servo and cause gear failure.
• Electrical Faults: Damaged wiring or connectors can prevent power or control signals from reaching the servo.

Service Life

Service life varies with usage and environment; many servos last several years, while high-use or harsh conditions (humidity, temperature cycling) shorten longevity. If you hear unusual noises or notice loss of control, replacing the actuator early prevents secondary damage to other HVAC components.

This Valeo heater servo motor (HVAC actuator) is a direct-fit replacement designed for Citroën C4 II and Peugeot 308 T7 climate systems. It controls the movement of temperature/air-mix flaps inside the HVAC box, restoring accurate temperature regulation and airflow distribution when original actuators fail. Ideal for professional workshops and DIY mechanics searching by part number (T1002120V, 6479E7), this unit helps eliminate clicking noises, stuck flaps, or incorrect cabin temperature readings.

Benefits

Direct replacement for factory units with OE-style fitment. Restores precise flap control and silent operation, improving passenger comfort and HVAC responsiveness. Compact design and standard electrical connector make installation straightforward for experienced technicians.

Technical Information

• Manufacturer: Valeo
• Model: Citroën C4 II; Peugeot 308 T7
• Product Codes: T1002120V, 6479E7
• Additional Numbers: 64790000000

Function

The servo motor drives internal HVAC flaps (air-mix/blend or distribution flaps) to regulate cabin temperature and direct airflow. It receives position commands from the climate control unit and converts electrical signals into precise gear movement.

Common Failure Modes

Actuators typically fail due to worn or stripped plastic gears, seized motor bearings, water/moisture ingress, or connector/circuit corrosion. Symptoms include grinding or clicking noises, inability to change temperature or airflow direction, inconsistent cabin temperature, or a flap stuck in one position.

Replacement Guidance

Location: The actuator is usually mounted on the HVAC housing—commonly accessible behind the glovebox or under the dashboard. Exact access points depend on vehicle model and trim.

Basic Replacement Steps:

• Disconnect the battery before starting work.
• Remove relevant trim panels or the glovebox to access the HVAC housing.
• Unplug the electrical connector and remove fasteners securing the actuator.
• Replace the actuator, ensure correct gear engagement with the flap shaft, fit fasteners, then reconnect the electrical connector.
• Reassemble trim and reconnect the battery. Verify full range of motion by operating the climate controls.

Installation Recommendations

• Always disconnect the battery before removal/installation and follow manufacturer service procedures to avoid damage.
• Inspect the flap shafts and surrounding gearbox for debris or damage before fitting the new servo.
• Ensure proper mesh between actuator gears and HVAC flap gears; misalignment can cause rapid re-failure.
• Check related fuses and wiring for corrosion or intermittent connections if electrical faults persist.
• For professional repairs, keep the cabin control unit operation checked after installation to confirm correct flap positioning and system response.

Why This Part Is Worth Replacing

A faulty HVAC actuator degrades cabin comfort, produces irritating noises, and can mask other HVAC issues. Replacing the servo motor with a correct-fit Valeo unit restores proper climate control function quickly and cost-effectively compared with replacing larger HVAC components.