Description
A/C Compressor Bracket for Citroën and Peugeot Vehicles
This A/C compressor bracket is a direct-fit mounting component designed for Citroën and Peugeot models powered by HDi diesel engines. It secures the air conditioning compressor to the engine block, ensuring correct alignment of the compressor pulley and accessory drive belt. Robust construction provides reliable support under belt tension and engine vibration, making it an essential part when replacing a worn compressor or repairing accessory drive damage.
Key Benefits
- Direct replacement for original equipment brackets used on many Citroën and Peugeot HDi models.
- Restores correct compressor alignment to prevent premature belt and bearing wear.
- Durable metal construction resists deformation under normal operating loads.
Technical Information
- Manufacturer: Stellantis (Citroën / Peugeot)
- Model: Fits 1.6 HDi, 2.0 HDi and 2.2 HDi applications. Compatible vehicle models include Citroën C2, Citroën C3, Citroën C3 Pluriel, Citroën C4, Peugeot 1007, Peugeot 307, Peugeot 308 and Peugeot 407.
- Product Codes: 9641715380, 9646719580
- Other Numbers: 6453NS, 5606P9
How It Is Replaced
Replacement is straightforward for a trained mechanic and can be attempted by experienced DIYers with the right tools. Typical steps:
- Recover A/C refrigerant using an approved recovery machine before any A/C line disconnection—this must be done by a qualified service provider where legally required.
- Disconnect the vehicle battery to avoid electrical shorts.
- Remove the accessory drive belt and relieve tension on the pulley.
- Support or remove the A/C compressor (depending on access) to reach mounting bolts; on some engines the compressor can remain in place if adequately supported while the bracket is unbolted.
- Unfasten the bracket mounting bolts, remove the old bracket and clean mating surfaces on the engine block.
- Install the new bracket, tighten bolts to the manufacturer’s torque specifications, re-fit the compressor, reconnect A/C lines (after refrigerant recovery/recharge), reinstall the belt and reconnect the battery.
Installation Recommendations
- Always Use Manufacturer Torque Specs: Tighten mounting bolts to the correct torque. If you do not have the exact values, consult a factory manual for the specific engine and year.
- Inspect Related Components: Replace worn drive belts, check tensioner and pulley condition, and inspect compressor bearings to avoid transferring excessive loads to the new bracket.
- Use New Fasteners If Necessary: Replace corroded or stretched bolts and use new washers where applicable to ensure secure mounting.
- Clean Mounting Surfaces: Remove rust and debris from the engine block before installation to ensure proper seating and alignment.
Most Common Causes Of Failure
- Corrosion And Rust: Long-term exposure to road salt and moisture can corrode the bracket or mounting points, leading to cracks or breakage.
- Metal Fatigue And Vibration: Years of engine vibration and belt tension can cause stress fractures or deformation.
- Impact Or Accident Damage: Front-end impacts or improper handling during repairs can bend or crack the bracket.
- Seized Compressor Or Excessive Load: A failing compressor bearing or a seized compressor creates additional load on the bracket, accelerating wear or causing bolt failure.
- Stripped Threads Or Loose Fasteners: Over-torqued or corroded bolts can strip threads, leading to insecure mounting and movement under load.
Inspect the bracket whenever the A/C compressor is serviced or when accessory belt alignment problems or unusual noises appear. Replacing a damaged bracket prevents accessory drive misalignment and extends the life of belts, pulleys and the compressor itself.
