Description
Air Conditioning Pipe For Citroën C4 Picasso And Grand Picasso With 2.0 HDI RHR Engine.
This air conditioning pipe is a direct-fit replacement designed for Citroën C4 Picasso and Grand Picasso models equipped with the 2.0 HDI RHR engine. Ideal for professional workshops and experienced DIY mechanics, the part restores proper refrigerant flow between A/C components and helps eliminate common symptoms such as reduced cooling performance, visible leaks, or hissing noises. The item is frequently searched by its part numbers, so check the listed codes when locating the correct spare.
Technical Information
- Manufacturer: Stellantis / Citroën / Peugeot
- Model: Citroën C4 Picasso, Grand Picasso
- Product Codes: 9653505980, 6477D8
- Additional Numbers: 9685503280, 6460WY
Function And Application
The pipe routes refrigerant between A/C system components (for example between evaporator, condenser, dryer/accumulator, and compressor) and is critical for maintaining system pressure and efficient heat exchange. It is manufactured to fit vehicle-specific mounting points and connection fittings for a secure, leak-free installation.
How To Replace
Replacement should be carried out by a qualified technician or an experienced DIYer with the right equipment. Typical replacement steps:
- Recover Refrigerant From The A/C System Using Approved Recovery Equipment.
- Remove Any Obstructing Trim Or Components To Access The Pipe.
- Loosen And Remove Line Connections, Retaining Clips, And Mounting Brackets.
- Fit New O-Rings And Lubricate With Correct Refrigerant Oil Where Required.
- Install The New Pipe, Reattach Mounting Brackets And Clamps, Torque Connections To Manufacturer Specs.
- Evacuate The System To Remove Moisture And Non-Condensables, Then Recharge With The Correct Type And Amount Of Refrigerant And Oil Per Manufacturer Specification.
- Perform Leak Check And System Performance Test.
Installation Recommendations
Always Work In Accordance With Safety And Environmental Regulations When Handling Refrigerant. Use Approved Recovery/Recycling Equipment. Replace O-Rings And Seals During Assembly And Use Correct Lubricant For The System. Vacuum And Recharge The System To Manufacturer Specifications To Ensure Proper Operation. If You Are Not Equipped To Recover And Recharge Refrigerant, Have The Final Steps Performed By A Qualified Workshop.
Most Common Failure Reasons
Air Conditioning Pipes Typically Fail Due To Corrosion, Mechanical Damage From Road Debris Or Chafing, Deterioration Of O-Rings And Seals, Or Fatigue At Crimped/Connection Points. Leaks Often Appear At Fittings Or Where Pipes Rub Against Bodywork. Reduced Cooling Can Also Result From Contaminants Or Moisture Entering The System After A Leak.
Notes For Buyers
Search By The Product Numbers Listed Above To Ensure Fast Identification. This Replacement Part Restores System Integrity But It Is Recommended To Inspect Associated Components (Compressor, Condenser, Dryer/Accumulator, Expansion Valve) For Damage Or Contamination When Performing Repairs.
