Description
Belt Tensioner For Alternator And Air Conditioning For Citroën C1 And Peugeot 107. Without Two Extra Small Bolts Shown In The Photo.
This belt tensioner is a direct-fit replacement designed for the alternator and air conditioning drive on Citroën C1 and Peugeot 107 models. Supplied with OE reference numbers commonly used in parts searches, it is suitable for professional workshops and experienced DIY mechanics who need a reliable, straightforward repair. The unit restores correct belt tension, reduces noise and belt slip, and helps prevent premature wear of the belt and driven accessories.
Key Features
- Direct Fit For Citroën C1 And Peugeot 107.
- Compatible With OE Codes 128143 / 5708A0 / 6822QX / 6822TH.
- Designed For Alternator And Air Conditioning Serpentine Belt Systems.
- Durable Bearing And Spring Mechanism For Stable Tensioning.
- Ideal For Garage Replacement And Independent Repair Jobs.
Compatibility
Fits Models: Citroën C1, Peugeot 107. Check Part Numbers When Searching: 128143, 5708A0, 6822QX, 6822TH.
Function And Typical Symptoms
The tensioner maintains correct tension on the serpentine belt that drives the alternator and air conditioning compressor. A failing tensioner commonly produces symptoms such as belt squeal on startup, intermittent charging issues, A/C compressor noise or slip, visible belt vibration, and accelerated belt wear. If neglected, a failed tensioner can lead to belt breakage and loss of accessory function while driving.
Replacement Procedure (Overview)
- Secure The Vehicle: Park On Level Ground, Engage Handbrake, And Remove The Ignition Key.
- Gain Access: Remove Any Plastic Covers Or Splash Shields Restricting Access To The Drive Belt System.
- Relieve Belt Tension: Using The Appropriate Tensioner Tool Or Ratchet On The Tensioner Bolt, Rotate The Tensioner To Release Belt Tension And Slide The Belt Off The Pulley.
- Remove Old Tensioner: Unbolt The Tensioner From The Engine Bracket. Keep Fasteners If Reused Only When In Good Condition; Replace If Damaged.
- Install New Tensioner: Position The New Unit, Tighten Bolts To Manufacturer Torque Specification, Then Refit The Belt Following The Correct Routing.
- Check Operation: Rotate The Engine By Hand (If Practical) Or Start Engine Briefly To Confirm Proper Belt Tracking, Tension, And Silence.
- Always Refer To The Vehicle Manufacturer Service Manual For Exact Torque Values And Any Model-Specific Steps.
Installation Recommendations
- Inspect The Serpentine Belt And All Accessory Pulleys; Replace The Belt If It Shows Cracks, Glazing, Or Excessive Wear.
- Clean Mounting Surfaces And Remove Oil Or Grease To Ensure Proper Seating.
- Use Correct Tools To Avoid Damaging The Tensioner Or Fasteners.
- Replace Any Worn Idler Pulleys At The Same Time To Prevent Rapid Re-Failure.
- Follow Manufacturer Torque Specifications And Assembly Sequence.
- Note: Does Not Include The Two Small Bolts Shown In The Photo.
Technical Information
- Manufacturer: Stellantis (Citroën/Peugeot)
- Model: Citroën C1; Peugeot 107
- Product Codes: 128143; 5708A0; 6822QX
- Additional Numbers: 6822TH
Most Common Causes Of Failure
- Bearing Wear Or Seizure Causing Noise And Reduced Rotation Smoothness.
- Loss Of Spring Tension Resulting In Belt Slip And Poor Accessory Drive.
- Contamination From Engine Oil Or Coolant Leading To Accelerated Deterioration.
- Misalignment Caused By Worn Pulleys Or Incorrect Previous Installation.
- Age And High Mileage Causing Fatigue Of Internal Components.
Suitable For Professional Fitment In Garages And For Experienced DIY Mechanics. When Replacing The Tensioner, Consider Inspecting The Whole Drive System To Ensure Long-Term Reliability.
