Description
Injection Pump For 1.6 E-HDi Engines, BOSCH System For CITROËN, PEUGEOT, Ford, Mazda, Volvo.
From A Salvaged Vehicle, Fully Functional.
With Fuel Pressure Regulator.
High-quality Bosch high-pressure injection pump intended for professional workshops and experienced DIY mechanics repairing 1.6 E-HDi diesel engines. This unit is compatible with a number of PSA vehicles and selected Ford, Mazda and Volvo models that use the Bosch 0445010516 pump. Supplied from a salvaged vehicle but confirmed to be fully operational, the pump includes an integrated fuel pressure regulator. Customers often search by part numbers 0445010516, 9688499680, 1920RF or 1921J9 — include these codes when locating the correct replacement.
Technical Information
- Manufacturer: BOSCH
- Model(s): 1.6 E-HDi Engines; Compatible With Citroën Berlingo B9, Citroën C4 II, Citroën C4 Picasso, Peugeot 308, Peugeot Partner Tepee (and Other PSA Models Using 1.6 E-HDi)
- Product Codes: 0445010516
- Other Numbers: 9688499680; 1920RF; 1921J9
Function And Typical Behavior
The pump Generates The High Fuel Pressure Required By The Injection System And Regulates Rail Pressure Via Its Integrated Regulator. It Works In Conjunction With The Engine Management System To Ensure Precise Fuel Delivery, Stable Idle And Proper Combustion. Proper Function Is Critical For Engine Performance, Emissions And Fuel Economy.
Replacement And Installation
- Relieve Fuel System Pressure Before Starting Work.
- Disconnect The Battery To Avoid Electrical Short Circuits.
- Protect The Work Area From Dirt And Contamination; Replace The Fuel Filter Before Installing The New Pump To Prevent Premature Failure.
- Label And Disconnect Electrical Connectors And Fuel Lines; Cap Open Lines To Prevent Contamination And Spillage.
- Unbolt The Pump From Its Mounting; Keep Fasteners Organized And Replace Any Crush Washers Or Seals.
- Install The Replacement Pump, Tighten Bolts To Manufacturer Torque Specifications And Reconnect Lines And Connectors.
- Prime The Fuel System And Bleed Air Thoroughly Using The Correct Procedure For The Vehicle (hand Primer Pump Or Ignition Cycling As Required).
- Start The Engine, Check For Leaks, Monitor Rail Pressure And Clear Any Diagnostic Trouble Codes If Present.
- Perform A Test Drive And Final Check Of Fuel Pressure And Engine Behavior.
Always Follow Manufacturer Torque Specifications And Service Procedures. Use Clean Fuel And New Sealing Components Where Required.
Installation Recommendations
- Work In A Clean Environment To Avoid Introducing Contaminants Into The Fuel System.
- Replace Fuel Filter And Use High-Quality Fuel To Extend Pump Life.
- Replace Seals, Crush Washers And Any Perishable Fittings During Installation.
- If Uncertain, Perform Post-Installation Checks With A Diagnostic Tool To Verify Rail Pressure And Injection Timing.
Why This Part Fails Most Often
- Fuel Contamination (Dirt, Rust, Water) Leading To Internal Wear And Valve/Regulator Damage.
- Poor Fuel Quality Or Incorrect Additives Causing Accelerated Wear.
- High Mileage And Normal Mechanical Wear Of Internal Components.
- Corrosion From Water In Fuel Or Long Periods Of Inactivity.
- Failure Of The Pressure Regulator Or Associated Actuator/Electrical Components.
Signs Of A Failing Pump
Loss Of Power, Rough Idle, Hard Starting, Increased Smoke Or Fuel Consumption, Fuel Leaks Around The Pump, Or Diagnostic Trouble Codes Related To Fuel Pressure Are Common Indicators That The High-Pressure Pump Or Its Regulator May Be Failing.
