Description
Fuel Filler Neck For Citroën C4 Grand Picasso Vehicles
High-quality replacement fuel filler neck designed for Citroën C4 Grand Picasso models. This direct-fit part restores safe and reliable refuelling, prevents fuel vapour leaks and eliminates filling issues caused by damaged or corroded filler pipes. Commonly searched under product codes 9654052280, 9685086780 or 1517E3, it is suitable for workshops and DIY mechanics who value a precise fit and straightforward installation.
Product Overview
The fuel filler neck connects the exterior filler cap to the vehicle’s fuel tank and venting system. It ensures proper fuel flow during refuelling, seals the system against vapour escape and houses connections for vent and breather hoses. A failed filler neck can cause fuel smell, slow filling, overflowing, or triggering of the evaporative emissions warnings.
Technical Information
- Manufacturer: Citroën / Stellantis
- Model: Citroën C4 Grand Picasso
- Product Codes: 9654052280, 9685086780, 1517E3
- Other Numbers: 1517000 (reference)
Fitment And Compatibility
Fits Citroën C4 Grand Picasso models. Compatibility is typically determined by the product code—use the listed part numbers (9654052280, 9685086780, 1517E3) to confirm fitment with the vehicle’s existing part. Commonly replaced on vehicles experiencing filler-pipe corrosion or damage.
Installation Recommendations
- Work In A Well-Ventilated Area And Avoid Open Flames Or Sparks; Fuel Vapours Are Flammable.
- Relieve Any Fuel System Pressure And Remove The Fuel Cap Before Starting.
- Raise The Vehicle Safely On Jack Stands If Required To Access The Filler Neck From Below.
- Disconnect And Label Any Vent Or Breather Hoses And Electrical Connections To Ensure Correct Reassembly.
- Replace All Associated Clamps, Gaskets And Rubber Hoses To Ensure A Leak-Free Seal.
- After Installation, Check For Leaks And Verify Correct Venting By Performing A Controlled Refuel Test.
- Use Proper Torque For Mounting Fasteners And Ensure The Filler Neck Is Securely Anchored To Body Mounts To Prevent Vibration Damage.
Common Failure Causes And Symptoms
Fuel filler necks typically fail due to corrosion (especially on older vehicles or where road salt is used), impact damage from minor collisions, degraded rubber connections, or cracking of plastic components from heat and fuel exposure. Common symptoms include:
- Strong Fuel Smell Around The Rear Quarter Or Near The Fuel Cap.
- Slow Or Intermittent Refuelling (Pump Click-Off Or Backing Up During Fill).
- Visible Fuel Leaks Under The Filler Area Or Stains On The Bodywork.
- Evaporative Emission System Alerts Or Check-Engine Light Related To Fuel Vapour Leaks.
- Loose Or Broken Mounting Tabs Causing Rattling Or Misalignment Of The Filler Pipe.
Recommended Maintenance
Inspect the filler neck, hoses and clamps during routine service intervals or if you notice fuel smell or filling issues. Replace corroded clamps and brittle hoses promptly to prevent more extensive damage. Address any impact damage to the rear quarter promptly to avoid deformation or misalignment of the filler pipe.
Notes For Mechanics And DIYers
Keep the vehicle’s original part numbers handy when ordering replacement parts. This filler neck is supplied as a direct replacement for the codes listed above and is intended for professional installation or experienced DIY mechanics comfortable working on the fuel system.
