Description
Product Overview
This Bosch ABS/ESP pump control module is a direct-fit unit designed for Citroen C5 III (X7) and compatible PSA vehicles. It integrates the electronic control unit, hydraulic modulator and pump motor to manage ABS and ESP functions, providing precise brake pressure modulation during interventions.
Key Features
- Bosch-designed ABS/ESP pump with integrated ECU, hydraulic block and electric pump motor.
- Direct fitment for Citroen C5 III (X7) — simplifies replacement and reduces installation time.
- Maintains wheel slip regulation, anti-lock braking and electronic stability control performance.
- Commonly referenced by OE and aftermarket part numbers for quick search and cross-reference.
Installation And Maintenance
Typical replacement steps for professional mechanics or experienced DIYers:
- Ensure vehicle is parked on a level surface and battery negative is disconnected to prevent electrical damage.
- Locate the ABS unit (usually mounted in the engine bay near the brake master cylinder), remove electrical connectors and brake lines carefully.
- Unbolt the unit from its bracket, transfer any mounting hardware if required, and install the new unit.
- Refit brake lines, top up and bleed the brake system. Use a diagnostic tool to perform ABS pump priming and clear fault codes for correct system initialization.
Common Failure Modes
- Corrosion or moisture ingress leading to electrical connection faults.
- Pump motor wear or hydraulic valve sticking due to contamination.
- Internal electronic faults triggered by voltage spikes or water damage.
- Warning signs include ABS/ESP warning lamp, unusual pump noise, or degraded braking stability.
Technical Information
Manufacturer: Bosch
Model: Citroen C5 III (X7) — PSA Citroen/Peugeot
Product Codes: 9674797480, 9674804480, 1682608880, 0265951416, 0265251413
Additional Numbers: 4541RY, 4541RZ
Always verify fitment by cross-referencing the vehicle VIN or OE part number. This listing is commonly searched by the product numbers above for quick identification.
