Description
Alternator bracket for Citroën and Peugeot vehicles with 1.6 HDi engine.
This alternator bracket is a direct-fit replacement designed for a range of Citroën and Peugeot models equipped with the 1.6 HDi engine. Supplied with the common OEM reference numbers, this robust mounting bracket restores correct alternator positioning and belt alignment, helping to eliminate charging-system faults, belt noise and premature wear. Ideal for professional workshops and DIY mechanics who need a reliable replacement part identified by OE codes.
Technical Information
- Manufacturer: Stellantis (Citroën / Peugeot)
- Model: Citroën C2, Citroën C3, Citroën C3 Pluriel, Citroën C4, Peugeot 1007, Peugeot 307
- Product Codes: 9656125280, 9804120780
- Additional Numbers: 5706K9
Function And Symptoms
The bracket secures the alternator to the engine block and ensures correct alignment of the accessory drive belt. When the bracket is damaged or loose, common symptoms include belt squeal, irregular charging voltage, visible misalignment of the alternator pulley and increased vibration or noise from the front of the engine. Addressing a faulty bracket promptly prevents secondary damage to the alternator, belt, tensioner and pulleys.
Replacement Procedure
Recommended for experienced mechanics or competent DIYers with basic tools. Typical replacement steps:
- Park the vehicle on a level surface, engage the parking brake and disconnect the negative battery terminal.
- Relieve tension from the drive belt and remove the belt from the alternator pulley.
- Support the alternator (with a jack or strap) to prevent it from dropping when the bracket is removed.
- Remove mounting bolts securing the alternator and the bracket to the engine block. Inspect bolts and replace if corroded or stretched.
- Fit the new bracket, align the alternator, tighten mounting bolts to the manufacturer’s torque specifications and reinstall the drive belt, ensuring correct tension and pulley alignment.
- Reconnect the battery, start the engine and verify charging system voltage and absence of abnormal noises.
Installation Recommendations
- Always Disconnect The Battery Before Starting Work To Avoid Short Circuits.
- Inspect The Alternator, Belt, Tensioner And Pulleys While Replacing The Bracket; Replace Any Worn Components To Avoid Recurring Failures.
- Use New Fasteners If Originals Are Corroded Or Damaged. Apply Correct Torque Values From The Vehicle Manufacturer.
- Check Belt Alignment Carefully After Installation; Misalignment Shortens Belt And Alternator Bearing Life.
Why The Part Fails Most Often
- Corrosion And Rust: Exposure To Road Salt And Moisture Can Weaken The Bracket Over Time.
- Fatigue And Cracking: Continuous Vibration From The Engine Or A Stressed Mount Can Cause Cracks Or Breakage.
- Impact Damage: Front-End Impacts Or Road Debris Can Bend Or Fracture The Bracket.
- Related Component Failure: A Seized Tensioner Or Misaligned Pulley Places Extra Load On The Bracket, Leading To Premature Failure.
This part is commonly referenced by OE numbers 9656125280, 9804120780 and reference 5706K9. When searching or ordering, using these codes will help you find the correct alternator bracket for the listed Citroën and Peugeot models with the 1.6 HDi engine.
