Description
VALEO CL15 alternator for Citroën and Peugeot vehicles. Generator – charging current: 150 A. With overrunning pulley.
This CL15 Valeo alternator delivers a stable 150 A charging current, making it suitable for vehicles with higher electrical demands and multiple onboard accessories. Designed with an overrunning (decoupling) pulley to reduce drivetrain vibration and prolong belt and bearing life, this alternator is a direct replacement option often sought by professional mechanics and experienced DIY enthusiasts. Many buyers search by OE numbers, so the listed product codes are included to simplify fitment checks.
Fitment & Compatibility
Fits a range of Citroën and Peugeot models. Typical applications include (depending on engine and equipment level):
- Citroën C2
- Citroën C3
- Citroën C3 Picasso
- Citroën C3 Pluriel
- Citroën C4
- Citroën C4 II
- Citroën C4 Picasso
- Citroën C5
- Citroën C5 X7
- Citroën C8
- Peugeot 307
- Peugeot 407
- Peugeot 807
Technical Information
- Manufacturer: Valeo
- Model: CL15
- Product Codes: 9646321780
- Other Numbers: 5702E3, 5705AS, 5705EY, 5705NH, 1638095180
- Charging Current: 150 A
- Pulley Type: Overrunning/Decoupling Pulley
Installation Recommendations
Professional installation is recommended, but experienced DIY mechanics can replace the alternator by following these general steps:
- Disconnect The Battery: Always disconnect the negative terminal to avoid electrical shorts.
- Release Belt Tension: Loosen the drive belt tensioner and remove the serpentine belt, noting the routing.
- Disconnect Electrical Connections: Remove the main plug and battery/ignition output cable from the alternator.
- Remove Mounting Bolts: Support the alternator and remove the mounting bolts, then extract the unit.
- Install New Unit: Position the replacement alternator, fit mounting bolts and tighten to the manufacturer’s torque specifications.
- Refit Belt And Tension: Reinstall the drive belt and set correct tension or re-torque the automatic tensioner.
- Reattach Battery And Test: Reconnect the battery negative terminal and start the engine. Verify charging voltage with a multimeter—expected range approx. 13.8–14.6 V at normal engine speed.
Always Inspect Related Components: Check belt condition, tensioner and pulley alignment. Replace a worn belt or faulty tensioner to prevent premature alternator wear.
Why It Fails Most Often
- Worn Brushes And Slip Rings: Mechanical wear reduces contact and charging efficiency over time.
- Faulty Voltage Regulator Or Diode Pack: Electronic failures cause poor charging or battery drain.
- Bearing Failure: Contaminants, overload or long service life can lead to noisy or seized bearings.
- Contamination: Oil, coolant or road dirt ingress accelerates wear and causes electrical shorts.
- Belt Or Pulley Issues: A slipped or misaligned belt and damaged tensioner increase load on the alternator.
Choosing a Valeo CL15 150 A alternator provides a robust charging solution for many Citroën and Peugeot models. For reliable installation, follow the recommended steps and double-check electrical connections and belt condition to ensure long service life and stable charging performance.
