Description
EGR Exhaust Gas Recirculation Pipe For Citroën Peugeot 2.0 HDi RHR Engines
This EGR pipe is a direct-fit replacement designed for 2.0 HDi RHR diesel engines used in various Citroën and Peugeot models. It channels exhaust gases from the EGR valve back into the intake tract to reduce NOx emissions and improve combustion temperature control. The part is frequently searched by its product numbers, so you will often find it listed under OE 9652264880 or internal code 161836. Built to withstand high exhaust temperatures and soot exposure, this pipe restores proper EGR flow and helps eliminate symptoms such as rough idle, loss of power, increased fuel consumption, and illuminated engine warning lights related to EGR faults.
Technical Information
- Manufacturer: Stellantis (Citroën/Peugeot)
- Model: 2.0 HDi RHR
- Product Codes: 9652264880, 161836
- Additional Numbers: 161836, 9652264880
Compatible Models
Typical applications include: Citroën C5, Citroën C5 X7, Citroën C8, Peugeot 307, Peugeot 407, Peugeot 807 with 2.0 HDi RHR engines. Always verify engine code RHR when matching parts.
Function And Common Symptoms
The EGR pipe routes metered exhaust gas from the EGR valve into the intake manifold to lower combustion temperatures and reduce nitrogen oxide emissions. When the pipe is blocked, cracked, or leaking, the engine can exhibit rough idling, reduced power, increased soot in the intake, elevated fuel consumption, and fault codes related to EGR flow or pressure. Visible soot deposits around connections are a common diagnostic clue.
How Replacement Is Performed
Replacement is typically straightforward for a professional mechanic and doable for experienced DIYers. General steps:
- Allow The Engine To Cool And Disconnect The Battery Where Required.
- Remove Any Air Intake Components Or Engine Covers That Obstruct Access To The EGR Pipe.
- Loosen And Remove Clamps Or Bolts Securing The Pipe At The EGR Valve And Intake Manifold.
- Carefully Detach The Pipe, Inspecting Gaskets And Sealing Surfaces.
- Fit The New Pipe With New Gaskets Or Seals If Applicable, Then Tighten Fasteners To Manufacturer Torque Specs.
- Reassemble Intake Components, Reconnect The Battery, And Clear Any Related Fault Codes If Present.
Recommended Tools: Metric socket set, torque wrench, screwdrivers, and cleaning cloths for soot removal. Replace sealing rings or gaskets during installation to ensure leak-free joints.
Installation Recommendations
- Work On A Cold Engine To Avoid Burns From Hot Components.
- Replace Gaskets And Seals When Installing The New Pipe To Prevent Exhaust Leaks.
- Use Correct Torque Values On Fasteners To Avoid Distorting The Pipe Or Creating Leaks.
- Clean Surrounding Soot Deposits From The EGR Valve And Intake Port To Improve Flow And Longevity.
Most Common Failure Cause
The EGR pipe most commonly fails due to soot buildup, carbon deposits, and corrosion from prolonged exposure to hot exhaust gases. Blockages reduce EGR flow and increase backpressure, while cracks or degraded seals cause exhaust leaks. Vehicles with high urban driving or frequent short trips tend to accumulate deposits faster, accelerating failure.
Why Choose This Part
Replacing a worn or damaged EGR pipe with the correct OE-equivalent part restores proper EGR function, helps clear related fault codes, and improves driveability and emissions performance. The listed product codes (9652264880, 161836) make this part easy to find when searching by OE number.
