Valeo Air Conditioning Expansion Valve - 509959
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eBayAir conditioning expansion valve 509959 VALEO for PEUGEOT 207 207 CC 207 SW
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Air conditioning expansion valve 509959 VALEO for PEUGEOT 207 207 CC 207 SWFree delivery in 1–3 days£58.60Visit shop →
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Product Information
Full details
The Valeo Air Conditioning Expansion Valve 509959 is designed for automotive technicians and DIY enthusiasts looking to restore precise thermal regulation to their vehicle's climate control system. As an OE-quality replacement component, it ensures consistent refrigerant flow for maximum cooling efficiency, though users should note that professional installation is highly recommended to avoid contamination of the AC loop.
All features
| Model Part Number | 509959 |
|---|---|
| Brand | Valeo |
Extended Product Information
FAQs
Does this valve come with O-rings?
It is recommended to check the specific package contents, but typically you should always source new, manufacturer-recommended O-rings when performing this repair.
Can I install this myself without a professional?
Only if you possess an AC recovery machine and the necessary certification to handle refrigerants; otherwise, professional installation is required by law in many jurisdictions.
How long does the warranty last?
The Valeo 509959 includes a 12-month manufacturer warranty covering defects.
What is the weight of the valve?
The valve weighs 0.24 kg.
Why is it important to match the part number?
AC systems are calibrated specifically to the expansion valve's orifice size; using an incorrect part can lead to poor cooling or total compressor failure.
Troubleshooting
AC blowing warm air
Check for proper refrigerant levels and ensure the expansion valve is not clogged or stuck in the closed position.
Evaporator icing up
Often caused by a failed expansion valve stuck open; verify the valve's response to thermal input and inspect for moisture in the system.
Low-side pressure reading abnormally high
This may indicate an expansion valve failing to restrict flow correctly; replace the unit and perform a system flush.
Pros and Cons
Pros
- Meets or exceeds OE specifications
- Ensures optimal AC system efficiency
- Includes a 12-month manufacturer warranty
- Lightweight design (0.24 kg) for easier handling
Cons
- Requires professional-grade AC evacuation tools
- System must be vacuumed and recharged after installation
- Improper handling can lead to system contamination
Setup, Compatibility & Care
- Verify Fitment: Always cross-reference the 509959 part number with your vehicle’s specific make, model, and AC system requirements before attempting installation.
- System Evacuation: Before removing the old valve, the refrigerant must be safely recovered by a certified technician using appropriate recovery equipment.
- Cleanliness: The AC system is extremely sensitive to moisture and debris. Always cap open lines immediately and ensure all O-rings are replaced during the installation of the new valve.
- Oil Lubrication: Use only the refrigerant oil type and amount specified by your vehicle manufacturer on the new valve seals to prevent premature wear.