Description
Vacuum valve, pressure converter for swirl flaps (Eaton) for Citroën and Peugeot vehicles. Electric valve for exhaust gas recirculation. Used part with guarantee of functionality.
This Eaton vacuum/pressure valve is a direct-fit control component used on a range of Citroën and Peugeot diesel engines to manage vacuum and pressure actuators such as swirl flap servos and EGR control systems. Designed for workshop use, the unit restores precise control of actuator movement, helping to eliminate rough idling, loss of power and EGR-related fault codes. Many technicians and DIYers search by the part numbers listed below, so this listing includes the common reference codes to speed up identification.
Technical Information
- Manufacturer: Eaton
- Model: Citroën C5; Citroën C8; Peugeot 307; Peugeot 406; Peugeot 607; Peugeot 807
- Product Codes: 1951610, 1628CH
- Additional Numbers: NFP
Key Functions And Symptoms
The valve Regulates Vacuum And Pressure To Actuators Controlling Swirl Flaps And EGR Flow. When The Valve Fails, Typical Symptoms Include Engine Warning Light (MIL), Erratic Idle, Reduced Engine Performance, Increased Fuel Consumption And Intermittent Loss Of Power. Replacing A Faulty Unit Often Clears Related Fault Codes And Restores Normal Response Of Swirl Flap Or EGR Mechanisms.
Installation Recommendation
Install In A Clean, Dry Work Area. Before Removal, Note The Routing Of Vacuum Hoses And Electrical Connectors. Steps:
- Depressurise The Intake System And Disconnect The Battery For Safety.
- Disconnect The Electrical Connector And Carefully Remove Vacuum Hoses, Marking Their Positions.
- Unbolt The Valve From Its Mounting Bracket And Replace With The New Unit, Ensuring A Secure Fit.
- Inspect And Replace Any Brittle Or Cracked Vacuum Hoses And Clean Mating Surfaces.
- Reconnect Hoses And Electrical Connector, Reconnect The Battery And Clear Fault Codes If Present.
After Installation, Start The Engine And Check For Leaks, Proper Actuator Movement And Absence Of Fault Codes. Verify That Vacuum Lines Are Seated Correctly And That Connectors Are Corrosion-Free.
Why This Part Most Often Fails
- Soot And Carbon Contamination From Exhaust/Gas Recirculation Leading To Sticking Or Blockage.
- Diaphragm Or Internal Seal Deterioration Due To Age And Heat Cycling.
- Electrical Connector Corrosion Or Intermittent Wiring Faults.
- Cracked Or Perished Vacuum Hoses Causing Loss Of Vacuum Control.
- Mechanical Wear From Prolonged Use In High-Temperature Engine Environment.
Part numbers Are Frequently Used For Search And Identification — Enter 1951610 Or 1628CH To Find This Specific Valve For Your Citroën Or Peugeot. This Used Unit Is Supplied With A Guarantee Of Functionality, Making It A Cost-Effective Choice For Workshops And DIY Mechanics Who Need A Reliable Replacement Control Valve.
