Description
Product Overview
Bosch ABS Pump And Control Module For Citroën And Peugeot Vehicles. Direct-fit Replacement Unit For ABS Hydraulic Control (Part No. 0265800738, 4541FF, 4541FG). Designed For Berlingo II, Partner II And Xsara Picasso Models, This Module Regulates Brake Line Pressure During Anti-Lock Braking And Contributes To Vehicle Stability Control.
Key Functions
- Modulates Hydraulic Pressure To Prevent Wheel Lock-Up During Heavy Braking.
- Works With Wheel Speed Sensors And The Vehicle Electronic Control Unit To Manage Brake Pressure Pulses And Stability Interventions.
- Includes Integrated Pump Motor And Valve Block For Rapid Pressure Modulation.
Common Faults And Symptoms
Typical Failure Modes Include Electrical Connector Issues, Pump Motor Wear, Corrosion On Hydraulic Connections, Or Internal Valve Block Problems. Symptoms May Present As An ABS Warning Light, Reduced Or No Pump Noise During ABS Events, A Spongy Brake Pedal, Or Loss Of ABS Functionality While Normal Brakes Remain Operational.
Replacement And Installation Notes
Intended For Professional Mechanics And Experienced DIYers. General Replacement Steps:
- Disconnect The Battery And Allow The Vehicle Electronics To Fully Power Down To Prevent Short Circuits.
- Read And Record ABS Fault Codes With A Diagnostic Tool Prior To Removal To Assist Post-Installation Verification.
- Carefully Label And Disconnect Brake Lines; Use Proper Fittings And Capture Brake Fluid To Avoid Contamination.
- Unplug Electrical Connectors And Remove Mounting Fasteners To Extract The Unit From The Vehicle.
- Install The Replacement Unit, Reconnect Lines And Electrical Plugs, Then Refill And Thoroughly Bleed The Brake System According To Manufacturer Procedure.
- Clear Stored Fault Codes, Perform A Diagnostic Scan, And Complete A Controlled Road Test To Confirm Proper ABS Operation.
Technical Information
- Manufacturer: Bosch (For PSA Vehicles)
- Model: Citroën Berlingo II; Peugeot Partner II; Xsara Picasso
- Product Codes: 0265800738
- Other Numbers: 4541FF, 4541FG
Notes
Always Verify The Vehicle Identification Number (VIN) And Current Part Number Before Ordering. Proper Bleeding And Diagnostic Verification Are Essential After Replacement. Professional Installation Is Recommended For Safety-Critical Brake Components.
