High-quality Valeo heater servo motor designed as a direct-fit replacement for climate control actuators on Citroën C4 II and Peugeot 308 (T7). This servo precisely positions the HVAC flaps to regulate cabin temperature and air distribution, restoring accurate climate responses and eliminating abnormal noises or inconsistent heating/cooling. Ideal for professional workshops and experienced DIY mechanics searching by part numbers (T1009914P, A6479E7, 64790000000) to ensure quick identification and fitment.

Technical Information

• Manufacturer: Valeo
• Model: Citroën C4 II; Peugeot 308 (T7)
• Product Codes: T1009914P, A 6479E7
• Additional Numbers: 64790000000
• Function: HVAC flap actuator / heater blend-air servo for temperature and air distribution control
• Voltage: 12 V (standard vehicle electrical system)

Installation Recommendations

Disconnect the battery before starting work and follow manufacturer procedures to avoid damage. Typical replacement requires removal of lower dashboard trim or the glovebox to access the HVAC housing. Remove mounting screws, unplug the electrical connector and detach linkage from the old actuator. Fit the new servo making sure linkages engage correctly, secure mounting screws and reconnect the electrical plug. Verify flap movement by running the vehicle’s climate functions; if available, use a diagnostic tool to perform actuator calibration or automatic HVAC relearn procedures. Ensure no obstructions in the ducting before final assembly.

Why This Part Fails Most Often

• Worn or stripped plastic gears inside the servo leading to loss of position accuracy or audible clicking.
• Potentiometer or internal motor wear causing intermittent or no response.
• Moisture ingress or corrosion at the connector or internal electronics.
• Mechanical blockage of flaps causing overload and premature wear.
• Age-related degradation after many years of service, particularly in vehicles with heavy climate use.

Practical Notes For Mechanics And DIY

Search by part codes (T1009914P, A6479E7, 64790000000) to quickly locate the correct unit. When diagnosing, listen for consistent clicking sounds behind the dash or check for failure codes related to HVAC actuator position. Replace faulty servos promptly to prevent strain on the HVAC system and to restore passenger comfort. Keep replacement screws and linkages aligned to avoid binding.

Compatibility And Search Tips

Fits Citroën C4 II and Peugeot 308 (T7) HVAC systems where the listed part numbers match. Commonly sought under Valeo and manufacturer references; use the product codes for fastest match in parts catalogs and search engines.

The Valeo heating servo motor (also referred to as a heater/HVAC actuator or blend door motor) with part references T1009914P / 6479E7 is a direct-fit electro-mechanical component used in the climate control system of many Citroën and Peugeot models. It controls the position of internal flaps inside the heater/airbox to regulate cabin temperature and air distribution. This unit is primarily sought under product codes T1009914P and 6479E7, making it easy to find by part number for quick replacement by professional technicians and competent DIYers.

Function And Symptoms

The servo motor moves and positions the blend and distribution flaps in the heater box according to commands from the HVAC control unit. Common symptoms of a failing servo include inconsistent cabin temperature, incorrect airflow direction (e.g., stuck on vents or defrost), unusual clicking or grinding noises from the dashboard, and failure of automatic climate modes. Timely replacement restores precise temperature control and prevents further HVAC system strain.

Technical Information

• Manufacturer: Valeo
• Model: Heating Servo Motor / HVAC Actuator
• Product Codes: T1009914P
• Other Numbers: 6479E7, 64790000000
• Voltage: 12 V DC (standard vehicle electrical system)
• Typical Application: Blend Door / Air Distribution Actuation In Heater Box

Fitment / Compatible Models

Typical fitment includes a range of Stellantis vehicles. Common applications: Citroën C2, Citroën C3, Citroën C4 II and Peugeot 308. Always check the part number against your vehicle application to confirm correct fitment.

Replacement Guide

Replacement is straightforward for experienced technicians and achievable for skilled DIYers with basic tools. Typical steps:

• Disconnect the battery before starting to avoid electrical shorts and to protect control electronics.
• Remove necessary trim panels or glovebox to access the heater box area—location varies by model (usually behind glovebox or under dash on passenger side).
• Unplug the electrical connector and remove the fixing screws holding the servo to the heater box.
• Install the new unit, secure with screws, connect the wiring harness and reassemble trim.
• Cycle the HVAC controls to verify full range of movement and proper operation.

Installation Recommendations

Always follow vehicle manufacturer procedures and safety precautions. Disconnect the battery before removal and reinstallation to prevent damage to control modules. Ensure connectors and wiring are free of corrosion and firmly seated. If the actuator is replaced due to gear stripping or ingress, inspect adjacent ducting and linkages for debris or binding that could cause premature failure.

Why This Part Fails Most Often

Common failure causes include plastic gear wear or stripping inside the actuator, moisture ingress, seized mechanical linkages, and electrical wear of the internal motor or position feedback potentiometer. Repeated forced movement when a flap is obstructed accelerates wear. Listening for clicking or grinding noises early allows replacement before loss of climate control.

Notes For Professionals And DIYers

This part is commonly searched and ordered by part numbers T1009914P and 6479E7. When replacing, verify smooth movement of flaps after installation and ensure there are no air path obstructions. For vehicles with complex HVAC calibration procedures, follow the vehicle-specific diagnostic or initialization routine if required.

Product Overview

This Valeo heater servo motor is a direct-fit HVAC actuator designed for Citroën and Peugeot passenger and light commercial vehicles. Ideal for professional workshops and experienced DIY mechanics, the unit restores reliable control of airflow direction and temperature blend doors in the heating and ventilation system. Frequently searched by its product code, this actuator is a common replacement when door movement becomes intermittent or when clicking noises are present.

Compatibility

Compatible with first‑generation Citroën Berlingo and Peugeot Partner models (commonly referenced as Berlingo I / Partner I). Often identified by the product code 030998Z. Always verify part appearance and connector type against the vehicle when performing the swap.

Technical Information

• Manufacturer: Valeo
• Model: Citroën Berlingo I, Peugeot Partner I
• Product Codes: 030998Z
• Other Numbers: N/A

Symptoms Indicating Replacement

Typical signs that the heater servo motor is failing include: clicking or grinding noises from the dashboard, inability to change airflow direction (vent/floor/defrost), inconsistent cabin temperature due to stuck blend doors, or complete loss of actuator movement. These faults often appear gradually, making early diagnosis possible during routine service.

Why The Part Most Commonly Fails

Failure is usually caused by worn or stripped plastic gears, motor burnout from prolonged use, or contamination and moisture ingress that seize internal components. Fine debris in the HVAC box or age-related plastic degradation accelerates wear. Electrical connector corrosion or intermittent wiring faults can also produce the same symptoms.

Installation Recommendations

• Always disconnect the vehicle battery before starting removal to prevent electrical damage and for personal safety.
• Access is typically gained via the glovebox or lower dash panel; remove fasteners and trim panels carefully to avoid breakage.
• Unplug the electrical connector and remove mounting screws securing the actuator to the HVAC housing. Note the actuator position and door orientation before removal to ensure correct installation.
• Fit the replacement unit, secure with original fasteners, reconnect the electrical plug and reassemble trim panels.
• After installation, verify full range of motion and correct operation of all HVAC modes. Listen for smooth operation and absence of abnormal noises.

Notes For Professionals And DIYers

This actuator is suited for mechanics and skilled DIYers comfortable with dashboard trim removal and HVAC diagnostics. Replacing the heater servo motor often resolves HVAC control issues without the need for more extensive repairs. Use standard hand tools and observe manufacturer torque and reassembly recommendations where available.

Purchase Tip

Search and order by product code 030998Z to locate the correct unit quickly. This increases the chance of finding a compatible part and speeds up repair planning for workshops and independent technicians.

High-quality replacement coolant pipe designed for the heater core circuit on 2.0 HDi RH02 engines. This part (6466VF) delivers reliable coolant flow between the engine and the heater exchanger, restoring proper cabin heating and preventing coolant loss. Ideal for professional garages and experienced DIYers who service Citroën and Peugeot models: the hose is commonly searched by part number 6466VF and fitted to a range of Stellantis vehicles. Fitment accuracy and robust construction reduce the risk of overheating and coolant leaks, improving vehicle comfort and engine thermal stability.

Technical Information

• Manufacturer: Stellantis / Citroën / Peugeot
• Model(s): Citroen C4 II; Citroën C4 Picasso II; Citroen C5 X7; DS4; DS5; PEUGEOT 3008 I; Peugeot 308; PEUGEOT 5008 I
• Product Codes: 6466VF
• Additional Numbers: Engine Code RH02

Function

The pipe conveys engine coolant to and from the heater exchanger (heater core). It Is A Critical Part Of The Cabin Heating Circuit And Helps Maintain Correct Engine Temperature By Ensuring Continuous Flow Through The Heater Matrix When The Heating System Is Active.

Common Failure Causes

• Aging And Heat Degradation: Rubber And Composite Materials Harden, Crack Or Split After Years Of Thermal Cycling.
• Chemical Degradation: Incorrect Coolant Or Contamination Accelerates Material Breakdown.
• Mechanical Damage: Chafing Against Other Components, Impact, Or Improper Clamping Can Cause Leaks.
• Corroded Or Worn Clamps: Loose Or Damaged Clamps Lead To Seepage And Pressure Loss.

Replacement Interval And Inspection

Inspect Heater Hoses At Every Scheduled Service Or If You Notice Any Coolant Smell, Visible Leaks, Soft Or Brittle Sections, Or Reduced Cabin Heating Performance. Typical Service Life Varies With Use And Environment; Replace At The First Signs Of Wear—Commonly Around 6–10 Years Under Normal Conditions, Shorter If Exposed To Contamination Or Excess Heat.

Installation Recommendations

• Work On A Fully Cooled Engine To Avoid Scalding. Release System Pressure Carefully Before Opening The Cooling Circuit.
• Drain Enough Coolant To Prevent Spillage When Removing The Hose. Collect And Dispose Of Coolant According To Local Regulations.
• Replace Hose Clamps With New, Correct-Size Clamps. Check Adjacent Hoses And Seals; Replace If Worn.
• Ensure Correct Routing And Secure Fastening To Prevent Chafing. Avoid Sharp Bends That Could Restrict Flow.
• Refill Coolant Using The Correct Specification For The Vehicle, Then Bleed The Cooling System To Remove Air Pockets (Follow Manufacturer Procedure).
• After Installation, Run The Engine To Operating Temperature And Recheck For Leaks; Inspect Heater Functionality.
• Recommended For Professional Fitment If Access Requires Dashboard Or Heater Matrix Removal; Otherwise Suitable For Experienced DIY Technicians With Proper Tools.

Why Choose This Part

Fast Identification By Part Number 6466VF, Direct Fit For Common Citroën And Peugeot 2.0 HDi Applications, And Durable Construction Designed To Restore Heater Circuit Integrity. A Correctly Replaced Heater Hose Eliminates Coolant Leaks, Restores Cabin Heating, And Helps Maintain Engine Cooling Efficiency.

Product Overview

This coolant pipe (part code 6466VE) connects the engine cooling circuit to the heater core, enabling warm coolant to flow into the cabin heating exchanger. It is designed for vehicles equipped with the 2.0 HDI RH02 engine and is a direct-fit replacement for worn or damaged original hoses. Ideal for professional workshops and experienced DIY mechanics looking for a reliable repair part.

Fitment And Compatible Models

Commonly fitted to the following models with 2.0 HDI RH02 engine:

• Citroën C4 II
• Citroën C4 Picasso II
• Citroën C5 X7
• DS4
• DS5
• Peugeot 3008 I
• Peugeot 308
• Peugeot 5008 I

Function

The pipe routes hot coolant from the engine to the heater exchanger (heater core). When the heater valve opens, coolant passes through the core and transfers heat to the air blown into the passenger compartment. A sound, leak-free hose is essential for cabin heating performance and for maintaining correct engine operating temperature.

Installation

Replacement is straightforward for a trained mechanic or competent DIYer. Typical procedure:

• Allow The Engine To Cool Completely And Work On A Cold System.
• Place A Drain Pan Under The Vehicle And Drain Coolant To The Appropriate Level To Prevent Spillage.
• Loosen Hose Clamps Or Remove Fasteners Securing The Pipe To The Heater Exchanger And Engine Connections.
• Carefully Remove The Old Pipe, Inspecting Connectors, Heater Core Pipes And Adjacent Hoses For Corrosion Or Damage.
• Fit The New Pipe In Correct Orientation, Replace Any Worn Clamps With New Quality Clamps, And Secure All Connections.
• Refill The Cooling System With Manufacturer-Recommended Coolant, Bleed Air From The System According To The Vehicle Procedure, And Check For Leaks With The Engine At Operating Temperature.

Installation Recommendations

• Use New Hose Clamps To Ensure Reliable Sealing; Reusing Old Clamps Can Lead To Leaks.
• Inspect The Heater Core Pipes And Nearby Hoses For Corrosion Or Wear; Replace Adjacent Components If Needed.
• Always Refill With The Manufacturer-Approved Coolant Specification And Perform Proper Air Bleeding To Avoid Overheating Or Cold Spots In The Heater.
• Dispose Of Used Coolant According To Local Regulations.

Most Common Failure Reasons

Hoses and pipes to the heater exchanger typically fail due to age-related rubber degradation, repeated heat cycling, mechanical abrasion from engine movement, chemical damage from incorrect or contaminated coolant, and poor clamping or installation. Small leaks can lead to loss of heating function, engine overheating, or coolant smell in the cabin, so early replacement at the first sign of cracks, swelling, stiffness, or seepage is recommended.

Technical Information

• Manufacturer: Stellantis / Citroën / Peugeot
• Model: Vehicles With 2.0 HDI RH02 Engine (See Fitment List)
• Product Codes: 6466VE
• Additional Numbers: Engine Code RH02

Why Choose This Part

This coolant pipe is a practical, cost-effective repair for restoring heater function and coolant circuit integrity on compatible Citroën and Peugeot models. It suits professional workshops that require dependable direct-fit parts and DIY mechanics who demand clear fitment and straightforward installation steps.

Premium-quality replacement water hose designed for Citroën and Peugeot 2.0 HDi RH02 engines (OEM Reference 1343LJ). Built to restore reliable coolant flow in the engine cooling circuit, this hose is an ideal choice for professional mechanics and experienced DIYers who need an exact-fit, durable part that matches factory routing and connection points. The hose resists high temperatures, pressure cycles and common contaminants found in modern diesel cooling systems, helping prevent overheating and coolant loss.

Key Benefits

• Direct Fit For Original Routing: Ensures correct clearance and connection to thermostat, water pump, and radiator components.
• Durable Material: Reinforced elastomer construction for resistance to heat, pressure and coolant additives.
• OEM Reference Included: Commonly Searched By Code 1343LJ For Faster Identification.
• Suitable For Workshop Or Home Repair: Clear installation steps and checks tailored to 2.0 HDi engines.

Typical Applications

Compatible With The Following Models (Depending On Engine Variant And Year): Citroën C4 II; Citroën C4 Picasso II; Citroën C5 X7; Citroën C8; DS4; DS5; Peugeot 3008 I; Peugeot 308; Peugeot 5008 I; Peugeot 807. Always Confirm Fitment By Matching The Product Code 1343LJ And Visual Comparison With The Removed Hose.

Technical Information

• Manufacturer: Stellantis / Citroën / Peugeot
• Model: Citroën C4 II; Citroën C4 Picasso II; Citroën C5 X7; Citroën C8; DS4; DS5; Peugeot 3008 I; Peugeot 308; Peugeot 5008 I; Peugeot 807
• Product Codes: 1343LJ
• Other Numbers: N/A

Function And Role

This Water Hose Is Part Of The Engine Cooling Circuit. It Transports Engine Coolant Between Cooling System Components (Such As The Thermostat Housing, Radiator, Heater Matrix Or Water Pump) Maintaining Correct Engine Operating Temperature. A Sound Hose Ensures Stable Coolant Flow, Prevents External Leaks And Avoids Localized Overheating.

Why This Part Fails

• Age And Heat Degradation: Repeated Thermal Cycling Causes Rubber And Elastomer Layers To Harden, Crack Or Become Brittle.
• Chemical Attack: Incorrect Or Contaminated Coolant, Oil Leaks Or Fuel Contamination Can Soften Or Swell Hose Material.
• Pressure Pulses And Internal Collapse: Internal Reinforcement Can Fatigue, Causing Collapse Under Vacuum Or High Flow Conditions.
• Mechanical Wear: Chafing Against Adjacent Components, Improper Clamps Or Incorrect Installation Angles.
• Recommended Replacement Interval: Typically Replace At Signs Of Wear Or During Major Cooling System Service; Many Hoses Last Between 5–10 Years Or Roughly 80,000–150,000 Km Depending On Use And Service History.

Installation Recommendations

• Work On A Cold Engine: Allow Engine And Cooling System To Cool Completely Before Any Intervention.
• Drain Coolant To A Safe Level, Then Remove Old Clamps And Hose Carefully To Avoid Damaging Adjacent Components.
• Compare New Hose With Removed Part For Correct Shape, Length And Connection Diameters Before Fitting.
• Use New Quality Hose Clamps And Ensure Clamps Are Placed Correctly Over Reinforced Sections; Avoid Over-Tightening Which Can Cut Into Hose Material.
• Refill With Correct Type And Concentration Of Coolant Recommended For Citroën/Peugeot Diesel Engines; Bleed The Cooling System According To Manufacturer Procedure To Remove Air Pockets.
• Inspect Thermostat, Water Pump, Radiator And Adjacent Hoses While Replacing To Prevent Future Failures.
• Final Check: Start Engine, Bring To Operating Temperature And Inspect For Leaks, Hose Movement And Proper Coolant Circulation.

Notes For Professionals

Mechanics Should Verify Routing And Clearance During Installation, Especially On Turbocharged Variants Where Heat Exposure Is Greater. Keep Replacement Clamps And Service-Grade Coolant On-Hand To Complete The Job In One Visit. For Fleet Or High-Mileage Vehicles, Consider Replacing Multiple Hoses Simultaneously To Reduce Repeat Labor.

Summary

This Water Hose (OEM 1343LJ) Offers A Reliable, Direct-Fit Replacement For Citroën And Peugeot 2.0 HDi RH02 Engines. It Restores Proper Coolant Flow, Reduces Risk Of Overheating, And Is Suitable For Use By Professional Workshops And Experienced DIYers. Follow Standard Safety And Cooling-System Procedures During Replacement To Ensure Long Service Life.

This Sanden SD7C16 air conditioning compressor is specified for a range of Stellantis Citroën and Peugeot models and is commonly identified by OE numbers 9671451380, 9825869180 and reference codes 1322F / 6453ZS. Designed for professional workshops and experienced DIY mechanics, this compressor restores cold performance in factory air conditioning systems and is an exact-fit replacement for compatible PSA applications. Searches are often made by product number, so the listed OE and reference codes help quickly find the right unit.

Technical Information

• Manufacturer: Sanden (for Stellantis applications)
• Model: SD7C16
• Product Codes: 9671451380, 9825869180
• Additional Numbers: 1322F, 6453ZS
• Applications: Citroën C4 II, Citroën C4 Picasso, Citroën C5 (X7 / III), DS4, DS5, Peugeot 3008 I, Peugeot 308, Peugeot 407, Peugeot 5008 I, Peugeot 508

How It Works

The compressor pumps refrigerant through the air conditioning circuit, compressing low-pressure vapor into high-pressure gas so the condenser can dissipate heat and the evaporator provide cooled air. The clutch engages the compressor from the engine drive belt under demand, and internal bearings and seals allow continuous operation at engine speeds.

Typical Lifetime And Failure Modes

Compressor lifespan depends on usage, maintenance and the condition of the AC system. In practice compressors often remain serviceable for many years but commonly fail after heavy use or when the system has contamination or moisture. Typical failure causes include bearing wear, clutch/coils failure, internal contamination from a failed component (e.g., expansion valve or receiver-drier), oil loss or refrigerant leakage. Symptoms of a failing compressor include noise from the compressor area, reduced cooling performance, or complete loss of compressor engagement.

Installation Recommendations

• Recover refrigerant with appropriate certified equipment before starting any work.
• Replace the receiver-drier/accumulator and, if accessible, the expansion valve when replacing the compressor to avoid contamination and moisture in the system.
• Flush the system to remove debris and old oil; fit the correct type and amount of PAG oil specified for the vehicle.
• Check and, if necessary, replace the drive belt and inspect belt tensioner and pulleys.
• After installation, perform a full vacuum and leak test, then charge the system to the vehicle manufacturer’s refrigerant specification.
• Torque mounting and clutch fasteners to manufacturer values and ensure proper electrical connections to the clutch coil.
• If you are not experienced with A/C service, have the replacement performed by a qualified workshop with the correct service tools.

How To Replace (High-Level)

1. Recover refrigerant using approved recovery equipment.
2. Disconnect battery negative terminal as a safety precaution.
3. Remove drive belt and any components blocking access to the compressor.
4. Disconnect electrical connector and refrigerant lines (cap and seal openings immediately).
5. Unbolt the compressor and remove from vehicle. Compare OE numbers and mounting points to ensure match.
6. Install new compressor, fit new seals on lines, replace receiver-drier, and reassemble belt and components.
7. Evacuate, leak-test and charge system to specification. Verify operation and check for unusual noise or leaks.

Why This Part Is Often Searched By Number

Air conditioning compressors for PSA vehicles are commonly cross-referenced across multiple OE and supplier numbers. Technicians and DIYers typically search by OE codes such as 9671451380 or 9825869180 to ensure exact fit and compatibility. Including both manufacturer and reference numbers in the listing speeds up identification and reduces installation errors.

Ideal for workshops and experienced home mechanics who need a direct-fit Sanden SD7C16 compressor for Citroën and Peugeot air conditioning systems. Check the OE/reference numbers when selecting to match exact application.

Description

High-quality Valeo heating servo motor designed for HVAC systems in Citroën Berlingo I and Peugeot Partner I vehicles. This genuine-style heater actuator replaces faulty blend door/air distribution servos to restore precise temperature control and airflow distribution. Commonly searched under product codes 030997F, 0403081B and 6447GF.

Key Benefits

• Direct Fit For Original Mounting Points — Simplifies Replacement And Reduces Installation Time
• Restores Accurate Temperature Blending And Airflow Direction — Improves Comfort And HVAC Performance
• Designed To Work With Original HVAC Linkages And Electrical Connectors — Minimizes Adjustment
• Identifiable By Common Product Codes (030997F / 0403081B / 6447GF) — Easy To Find In Catalogs

Technical Information

• Manufacturer: Valeo
• Model: Citroën Berlingo I; Peugeot Partner I (First Generation)
• Product Codes: 030997F, 0403081B, 6447GF
• Other Numbers: 0403081B (Referenced In Various Parts Listings)

Function

The actuator motor operates the HVAC blend door and/or air distribution flaps inside the heater box. It receives position commands from the climate control unit and moves internal flaps to regulate cabin temperature and airflow direction. Proper operation ensures consistent cabin comfort and correct defogging/defrost performance.

Common Failure Causes

• Wear Of Internal Gears Or Plastic Teeth — Gradual Play Or Complete Loss Of Movement
• Motor Burnout Or Electrical Faults — Intermittent Operation Or No Movement
• Corrosion Or Water Ingress — Causes Sticking And Accelerated Wear
• Broken Linkage Or Misalignment — Actuator Spins Without Moving Flap

Replacement Frequency

Lifetime Varies With Use And Environment. Failures Typically Occur After Years Of Service, Especially In Vehicles Exposed To Moisture Or High Mileage. If The HVAC Shows Erratic Temperatures, Strange Noises From The Dashboard, Or Certain Air Vents Do Not Respond, Replacement Of The Actuator Is A Common Fix.

Recommended Installation

• Disconnect Battery Before Starting Work And Follow Manufacturer Safety Procedures.
• Access Actuator Through Glovebox Or Lower Dash Panel Depending On Vehicle Configuration.
• Release Electrical Connector And Remove Retaining Screws Or Clips — Note Position Of Linkage For Correct Reassembly.
• Install New Actuator In The Same Orientation, Secure Fasteners, Reconnect Connector.
• Perform HVAC Function Check: Turn Ignition On, Operate Climate Controls Through Full Range To Confirm Smooth Movement And Correct Positioning.
• Avoid Forcing Linkages; If Adjustment Or Calibration Is Required, Use Appropriate Diagnostic Equipment.

Why This Part Usually Fails

Actuator Motors Suffer From Mechanical Wear Of Plastic Gears, Motor Wear From Continuous Duty, And Damage From Moisture Or Debris Entering The Heater Box. Repeated Cycles And Temperature Extremes Accelerate Degradation, Leading To Noisy Operation Or Loss Of Control Over The Blend Door.

Installation Tips For Professionals And DIY Mechanics

• Have The HVAC Controls In A Neutral Position When Removing The Old Actuator To Preserve Linkage Alignment.
• Inspect Surrounding Linkages And Flaps For Damage Or Obstructions Before Installing The New Unit.
• Use Correct Hand Tools (Torx/Phillips As Required) And Avoid Over-Torquing Plastic Fasteners.
• After Installation, Cycle The System Several Times And Verify Temperature Changes And Vent Selection Across Modes.

Notes

This Actuator Is Intended As A Direct Replacement For Affected Citroën Berlingo I And Peugeot Partner I HVAC Systems. Check Product Codes 030997F, 0403081B, 6447GF When Searching For Compatibility. Proper Installation Restores Climate Control Functionality And Prevents Further Damage To HVAC Linkages.

Product Overview

This heater fan (blower motor) is a direct-fit replacement designed for Citroën Berlingo II and Peugeot Partner II models without air conditioning. It restores proper airflow through the heater core and the vehicle’s ventilation system, ensuring comfortable cabin heating and reliable ventilation for workshop repairs or DIY maintenance. The unit is commonly searched by its product codes 030666P and 6441R4.

Key Benefits

• Direct fit for Citroën Berlingo II and Peugeot Partner II (no A/C variants).
• Restores full airflow and heating performance.
• Straightforward replacement process suitable for mechanics and experienced DIYers.
• Commonly referenced by part numbers 030666P and 6441R4 for quick lookup.

Technical Information

• Manufacturer: Stellantis / Citroën / Peugeot
• Model: Citroën Berlingo II; Peugeot Partner II
• Product Codes: 030666P; 6441R4
• Other Numbers: –

Compatibility

Fits Citroën Berlingo II and Peugeot Partner II models that are equipped without air conditioning. Check the part codes (030666P / 6441R4) against your vehicle documentation or parts list when searching for the correct replacement.

Replacement And Installation

Typical replacement steps for a trained mechanic or experienced DIYer:

• Disconnect the negative battery terminal before starting work.
• Access the blower motor, usually located under the dash on the passenger side; removal of the glovebox or lower dash trim may be required.
• Disconnect the electrical connector and any associated harness clips.
• Remove the mounting screws/bolts securing the blower motor to the HVAC housing and extract the unit.
• Inspect the blower housing and ducting for debris, leaves, or water ingress; clean if necessary.
• Install the new fan assembly, secure mounting fasteners, reconnect the electrical plug, and test all fan speeds before reassembling trim.
• Reinstall any removed panels and reconnect the battery. Verify operation across all speed settings and listen for unusual noise or vibration.

Installation Recommendations

• Always disconnect the battery before removal and follow manufacturer safety procedures.
• Test the new blower motor electrically before full reassembly to save time if additional faults are present.
• Replace the cabin air filter and clean the blower housing to prevent premature wear from debris.
• Check related components (blower resistor/module, fuses, and connectors) when diagnosing partial or intermittent operation.
• Use appropriate tools (screwdrivers, Torx/metric sockets) and avoid forcing connectors to prevent damage.

Common Failure Causes

Heater blower motors typically fail for mechanical or electrical reasons. The most frequent issues are worn bearings or motor brushes, contamination by leaves/debris or water, and overheating from restricted airflow (for example, a clogged cabin filter). Electrical causes include faulty blower resistors or poor connector contacts which can result in loss of some fan speeds or intermittent operation. Symptoms include no airflow at any speed, fan working only on certain speeds, grinding or rattling noises, or a burning smell.

Diagnostics Tips

• If the fan does not run at any speed, check fuses and the blower relay first.
• When the fan works on only one speed, suspect the blower resistor or its connectors.
• Unusual noises often indicate worn bearings or a damaged fan wheel—inspect and replace the motor assembly if necessary.
• After replacement, verify airflow and noise levels at each speed setting to confirm correct installation.

Note

This description is focused on fitment and practical guidance for mechanics and competent DIY enthusiasts. The blower is typically searched by the codes shown above; please ensure the part numbers match your vehicle’s requirements before ordering.

High-quality replacement heater servo motor designed for climate control systems in selected Citroën and Peugeot models. This electric actuator controls ventilation flaps and blend doors inside the heater box to regulate cabin temperature and airflow distribution. Commonly searched under part numbers 95494 and 6447QN, this unit is aimed at professional garages and experienced DIYers who need a reliable, direct-fit solution to restore proper HVAC function.

Technical Information

• Manufacturer: Buhler / BEHR
• Model: Heater Servo Motor
• Product Codes: 95494, 6447QN
• Other Numbers: No Additional Numbers Provided

Fitment / Compatible Models

Fits the following vehicles (check the part numbers against your vehicle): Citroën C2, Citroën C3, Citroën C3 Pluriel, Citroën Xsara Picasso, Peugeot 206, Peugeot 307. Often referenced by part codes 95494 and 6447QN.

Function And Symptoms

The servo motor actuates the heater box flaps (blend/recirculation/air distribution) to direct airflow and mix hot and cold air for the desired cabin temperature. Typical failure symptoms include clicking or grinding noises from the dash, no airflow change when switching modes, incorrect cabin temperature, or stuck vents. If left unaddressed, a faulty actuator can prevent proper defrosting and compromise comfort and visibility.

Replacement Procedure

General steps for replacement (procedure may vary slightly by model):

1. Prepare: Park on level ground, set parking brake and disconnect the negative battery terminal to avoid short circuits.
2. Access: Remove the glovebox or lower dashboard panel to reach the HVAC/heater box — many C2/C3/206/307 models provide access from the passenger side. In some cases the center console or lower trim must be removed.
3. Disconnect: Unplug the electrical connector from the servo motor and note the position of the actuator linkage or gears.
4. Remove: Unscrew the mounting fasteners and carefully extract the actuator from the heater box. Inspect plastic gears and flap linkages for damage.
5. Install: Fit the new servo in the correct orientation, secure fasteners, reconnect the electrical plug and reattach any linkages. Ensure the flap returns to the expected neutral position before final reassembly.
6. Test: Reconnect battery, cycle HVAC modes and verify correct operation of all vents, temperature blending and recirculation functions.

Installation Recommendations

• Use basic hand tools and take photos of connector/linkage positions before removal to ensure correct reassembly.
• Avoid forcing plastic gears or linkages; inspect mating surfaces and replace broken clips or worn levers if present.
• After installation, perform a full HVAC function test across modes and temperature settings to confirm correct operation.
• If uncertain about access or diagnostics, a workshop with experience on Peugeot/Citroën dashboards will save time.

Most Common Failure Reasons

Heater servo motors commonly fail due to worn or stripped plastic gears, motor burnout from prolonged use, contamination with dust or moisture, or stress from hard stops when flaps are blocked. Age and high mileage increase the likelihood of failure. Symptoms usually start as intermittent clicking and progress to complete loss of flap movement.

Why Choose This Part

Part numbers 95494 and 6447QN are frequently referenced in repairs for the listed Citroën and Peugeot models. Replacing a failing actuator restores proper HVAC control, improves cabin comfort and visibility, and prevents further wear on connected components. Suitable for professional mechanics and competent DIY installers familiar with dashboard disassembly.