Description
Valeo CL15 Alternator for Citroën Peugeot 1.6 e‑HDI. Removed from a vehicle with 640000 km mileage.
Product Overview
High-quality Valeo CL15 alternator compatible with a range of Citroën and Peugeot 1.6 e‑HDI applications. This unit is a direct-fit electrical component commonly sought by mechanics and DIY enthusiasts by its OEM reference numbers. The listing includes the most relevant product codes to help you find the exact replacement quickly. Ideal for replacing a failing alternator to restore reliable charging and electrical system performance.
Function And Symptoms
The alternator charges the battery and powers onboard electrical systems while the engine runs. Typical symptoms of a failing alternator include:
- Battery warning lamp or dashboard charging symbol illuminated.
- Dimmed headlights or fluctuating interior lighting.
- Frequent jump-starts or a battery that discharges quickly.
- Unusual whining or grinding noises from the front of the engine (bearing wear).
- Intermittent electrical faults or stalling at idle due to insufficient charging.
Replacement Procedure
Simple mechanical and electrical steps for an experienced mechanic or competent DIYer:
- Always disconnect the negative battery terminal before starting work.
- Relieve tension and remove the drive/serpentine belt.
- Disconnect electrical connectors and remove the alternator mounting bolts.
- Fit the replacement unit, secure mounting bolts and reconnect electrical plugs.
- Refit and tension the drive belt to manufacturer specification.
- Reconnect the battery and verify charging system operation (voltage output at idle and rev).
Installation Recommendations
To ensure reliable operation after fitting:
- Inspect Belt And Pulleys: Replace worn belts or pulleys to avoid premature alternator wear.
- Check Battery Condition: A weak or faulty battery increases alternator load and can shorten its life.
- Clean Connections: Corroded or loose terminals reduce charging efficiency—clean and tighten all connections.
- Use Correct Tools: Use proper socket sizes and follow vehicle maker procedures for belt tensioning and torque values.
- After Installation: Verify charging voltage (typically ~13.8–14.6 V with engine running) and check for abnormal noises.
Most Common Failure Cause
Alternators usually fail due to mechanical wear or electrical component faults. The most frequent issues are:
- Bearing Wear Leading To Noise And Seizure.
- Diode Or Rectifier Failure Causing Poor Or No Charging.
- Voltage Regulator Malfunction Resulting In Overcharging Or Undercharging.
- Contamination From Oil, Coolant Or Road Debris Reducing Component Life.
- Excessive Load From A Weak Battery Or Faulty Electrical Accessories.
Technical Information
- Manufacturer: Valeo
- Model: CL15 Alternator
- Product Codes: 9678048880, 1638094380, 5705KV, 5702J9
- Other Numbers: 5705.KV, 5702.J9
- Removed Mileage: 640000 km
- Compatible Models: Citroën C3 Picasso, Citroën C4 II, Peugeot 3008 I, Peugeot 301, Peugeot 308, Peugeot 5008 I
Notes For Buyers
Searchable OEM codes are included to help you locate the correct alternator for your vehicle. Suitable for professional workshops and experienced DIY mechanics familiar with charging system diagnosis and replacement. Always follow vehicle manufacturer safety procedures when working on the charging system.







