Description
Alternator Valeo CL15 Citroën Peugeot 1.6 e-HDI. From a vehicle with 640,000 km.
High-quality used Valeo CL15 alternator designed for PSA Group 1.6 e-HDi diesel engines. This unit is a direct-fit electrical replacement for a range of Citroën and Peugeot models and is well suited for professional workshops and DIY mechanics who search by OE code or part number. The alternator restores charging capacity to the vehicle, keeps the battery charged and supplies stable voltage to engine electronics and onboard systems.
Function And Benefits
The alternator converts mechanical energy from the engine into electrical energy to charge the battery and power vehicle electrical systems while running. Replacing a faulty alternator resolves symptoms such as battery discharge, dimming lights, dashboard charging warning, electrical faults and intermittent stalling caused by low system voltage. Choosing a Valeo CL15 unit ensures compatibility with the original mounting, pulley arrangement and electrical connectors for the listed applications.
Replacement Procedure
- Disconnect Battery: Always disconnect the negative battery terminal before starting to avoid short circuits.
- Remove Drive Belt: Loosen belt tensioner and remove serpentine/ribbed belt from the alternator pulley.
- Disconnect Electrical Connectors: Unplug the regulator connector and remove the main positive cable from the alternator.
- Remove Mounting Bolts: Support the alternator, remove the mounting bolts and withdraw the unit from its bracket.
- Install New Unit: Fit the replacement alternator, tighten mounting bolts to secure position, reconnect electrical connections and refit the drive belt with correct tension.
- Final Checks: Reconnect the battery, start the engine and verify charging system voltage (typical target range ~13.8–14.4 V) and absence of unusual noises or warning lights.
Common Cause Of Failure
- Worn Brushes And Slip Rings: Gradual wear reduces brush contact and charging capability.
- Voltage Regulator Failure: Internal regulator faults lead to overcharging or undercharging.
- Diode Pack Malfunction: Broken diodes cause AC ripple, battery drain or charging failure.
- Bearing Wear: Noisy or seized bearings due to age or contamination can lead to mechanical failure.
- Heat And Contamination: Oil leaks, coolant ingress or overheating accelerate internal damage.
Installation Recommendations
- Perform Installation With Vehicle On A Level Surface And Engine Cold.
- Always Disconnect The Battery Before Removing The Alternator To Protect Electronics.
- Check And Replace Worn Drive Belts And Pulleys; Incorrect Belt Tension Shortens Alternator Life.
- Inspect Battery Condition Before And After Replacement—A weak battery can overload a new alternator.
- Verify Charging Voltage With A Multimeter After Installation; Ensure Proper Grounding And Connector Seating.
Technical Information
- Manufacturer: Valeo
- Model: CL15
- Product Codes: 9678048880, 1638094380
- Additional Numbers: 5705KV, 5702J9
- Engine: 1.6 e-HDi (PSA Diesel)
- Condition Note: Used unit removed from a vehicle with 640,000 km
Fitment
Typical fitment includes, but may not be limited to: Citroën C3 Picasso, Citroën C4 II, Peugeot 3008 I, Peugeot 301, Peugeot 308, Peugeot 5008 I. Also suitable for other PSA Group vehicles using the Valeo CL15 alternator with the listed product codes.
Why Choose This Part
This Valeo CL15 alternator is a cost-effective replacement for worn or failed charging units on PSA 1.6 e-HDi vehicles. It is ideal for garages and self-servicing owners who need a part keyed to OE numbers for quick identification. When installed correctly and paired with a healthy battery and properly tensioned belt, it returns reliable charging performance to the vehicle.








