Description
Intake air filter connection to the turbocharger for Citroën C8 and Peugeot 807 2.2 HDi.
This replacement intake air connector (turbo inlet pipe) is designed for the 2.2 HDi turbocharged engines used in Citroën C8 and Peugeot 807. It provides a sealed, vibration-resistant link between the air filter housing and the turbocharger inlet, ensuring stable airflow, preventing boost leaks and limiting ingestion of debris. The part is a direct-fit solution commonly referenced by part number 143481, making it easy to find in catalogs and workshop databases.
Technical Information
- Manufacturer: Stellantis (Citroën / Peugeot)
- Model: Citroën C8; Peugeot 807 2.2 HDi
- Product Codes: 143481
- Other Numbers: No additional OEM numbers provided
Function And Benefits
The pipe connects the air cleaner to the turbocharger inlet and must withstand pressure fluctuations, engine bay heat and occasional oil vapour. A correctly fitted connector prevents boost loss, maintains turbo efficiency and protects the turbo from ingestion of dirty air. Using a correct-fit replacement restores original airflow characteristics and helps avoid drivability issues such as poor throttle response or reduced acceleration.
Installation Recommendations
- Work on a cool engine. Remove clamps securing the old connector at the air box and turbo inlet and carefully detach any attached sensors or vacuum lines if present.
- Inspect mating surfaces for oil, dirt or damage. Clean thoroughly to ensure a proper seal. Replace any worn clamps or hoses during installation.
- Fit the new connector in the same orientation as the original, ensure full engagement on both ends and tighten clamps evenly. Do not overtighten worm-gear clamps—tighten until secure without deforming the hose.
- After installation, start the engine and check for boost leaks by listening for hissing under boost and by observing consistent idle and throttle response. Recheck clamps after a short test drive.
Common Failure Causes
- Aging and Heat Exposure: Rubber and composite materials harden and crack over time due to engine bay temperatures, leading to air leaks.
- Oil Contamination: Blow-by oil from the turbo or crankcase ventilation can soften or clog the connector, accelerating wear and creating weak points.
- Clamp Or Mounting Failure: Loose or corroded clamps allow the connector to slip or leak under boost conditions.
- Mechanical Damage: Impact or improper removal/installation can cause tears or deformation that compromise the seal.
Notes For Mechanics And DIY Enthusiasts
This part is suited for professional workshops and experienced DIYers. When replacing, consider also inspecting the air filter, intercooler hoses and clamps, and the turbo inlet for oil residue. Keeping the entire intake path in good condition reduces the likelihood of repeated failures and preserves turbocharger life.
