Description
VALEO CL15 150A alternator for Citroën and Peugeot vehicles. With overrunning pulley.
This high-output VALEO CL15 150A alternator is designed for a range of Citroën and Peugeot petrol and diesel applications where reliable charging under load is required. Featuring a freewheeling (overrunning) pulley to reduce belt stress and noise, this unit is suitable for workshops and experienced DIYers who maintain late-model PSA Group vehicles. Compatible with common OEM and aftermarket reference numbers, it delivers stable charging performance for demanding electrical systems and accessories.
Technical Information
- Manufacturer: Valeo
- Model: CL15 150A
- Product Codes: 9665617780, 9646321780, 1638095180
- Additional Numbers: 5702E3, 5705AS, 5705EY, 5705NH, 5702000
- Output: 150 A
- Nominal Charging Voltage: 13.8–14.5 V
- Pulley Type: Overrunning (Freewheeling) Pulley
- Typical Features: Integrated Voltage Regulator and Diode Rectifier
Compatible Models
- Citroën Berlingo
- Citroën C2
- Citroën C3
- Citroën C4
- Citroën C4 Picasso
- Citroën C5
- Citroen C5 X7
- Peugeot 206
- Peugeot 307
- Peugeot 407
- Peugeot Partner
How To Replace
- Prepare Vehicle: Park on a level surface, engage handbrake and remove any jewelry. Disconnect the negative battery terminal before beginning work.
- Remove Drive Belt: Release tension on the accessory belt tensioner and remove the belt from the alternator pulley. Inspect belt and tensioner for wear; replace if necessary.
- Disconnect Electrical Connectors: Unplug the alternator multi-pin connector and the main output (B+) cable. Mark connections if needed to ensure correct reassembly.
- Unbolt Alternator: Remove mounting bolts and lower the alternator from its bracket. Take care with the overrunning pulley assembly to avoid impact.
- Install New Unit: Position the replacement alternator, tighten mounting bolts to secure fitment, reconnect electrical connections and refit the drive belt with correct tension.
- Final Checks: Reconnect the battery, start the engine and verify charging voltage (typically 13.8–14.5 V) and listen for abnormal noises. Perform a charging system load test if possible.
Installation Recommendations
- Always disconnect the negative battery terminal before removal and installation.
- Inspect Drive Belt, Pulleys And Tensioner: A worn belt or faulty tensioner shortens alternator life and may cause charging faults.
- Ensure Clean Electrical Connections: Corroded or loose B+ and earth connections cause voltage drops and charging issues.
- Verify Belt Alignment And Tension: Incorrect tension accelerates bearing wear and may damage the overrunning pulley.
- Test Charging System After Fitment: Confirm output under load and at idle; expected voltage range is 13.8–14.5 V.
- Recommended For Professionals: For accurate belt tensioning and electrical checks, use workshop tools and diagnostic equipment.
Why This Part Most Commonly Fails
- Bearing Wear: Engine run time and contamination can cause bearings to wear, producing noise and eventual seizure.
- Brush And Slip Ring Wear: Over time brushes wear and lose contact, reducing charging capability.
- Regulator Or Diode Failure: Thermal stress or electrical spikes can damage the internal regulator or rectifier diodes, causing undercharging or charging faults.
- Overheating And Contamination: Oil leaks, coolant ingress or persistent belt slippage reduce lifespan.
- Pulley And Belt Issues: A damaged or locked overrunning pulley or incorrect belt tension accelerates failure modes.
Part numbers and vehicle fitment listed above are provided to help locate the correct unit quickly. This alternator is aimed at professional workshops and experienced DIY mechanics who require a direct-fit, high-output charging unit for affected Citroën and Peugeot models.
