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Porsche // Cayman 987C / 981C (2005-2016) // Cayman 2.9L 987C MKII 2009-12
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- Porsche 958 Cayenne V6 3.6L Petrol (300Hp) 2010-17
- Porsche 958 Cayenne S V8 4.8L Petrol (400Hp) 2010-17
- Porsche 958 Cayenne GTS V8 4.8L Petrol (400Hp) 2010-17
- Porsche 958 Cayenne Turbo V8 4.8L Petrol (500Hp) 2010-17
- Porsche 958 Cayenne Turbo S V8 4.8L Petrol (550Hp) 2010-17
Breather Line, Radiator To Bleeder Valve.
Maintain proper cooling system ventilation and temperature control with the Breather Line, Radiator to Bleeder Valve. This OE MATCH breather line is designed to connect the radiator to the bleeder valve, allowing trapped air and vapor to escape from the cooling system for improved circulation and efficiency.
Fits:
- Porsche 958 Cayenne V6 3.6L Petrol (300Hp) 2010-17
- Porsche 958 Cayenne S V8 4.8L Petrol (400Hp) 2010-17
- Porsche 958 Cayenne GTS V8 4.8L Petrol (400Hp) 2010-17
- Porsche 958 Cayenne Turbo V8 4.8L Petrol (500Hp) 2010-17
- Porsche 958 Cayenne Turbo S V8 4.8L Petrol (550Hp) 2010-17
Diagram Ref No 8
What This Product Does:
- Vents air from the radiator circuit
- Helps prevent air pockets that can restrict coolant flow
- Supports proper cooling system bleeding
- Maintains stable coolant pressure
- Helps regulate engine operating temperature
Symptoms Of Wear Or Failure:
- Coolant leaks near the radiator or bleeder valve connection
- Low coolant warning light
- Frequent coolant top-offs
- Sweet coolant smell from the engine bay
- Coolant residue or staining around fittings or clamps
- Cracked, brittle, or leaking line material
- Air trapped in the cooling system, causing gurgling sounds
- Fluctuating engine temperature or unstable gauge readings
- Overheating, especially after coolant service or refilling
- Steam from under the hood in severe cases
- Replacing a worn breather line is important because it ensures trapped air can properly escape from the cooling system. Over time, heat and coolant exposure can cause the line to crack, harden, or leak.
- If the breather line fails, air pockets may form in the radiator circuit, reducing coolant circulation and cooling efficiency. This can lead to unstable engine temperatures, overheating, and potential engine damage.
- Installing a new breather line helps maintain proper system bleeding, prevent leaks, and protect the engine by supporting reliable cooling system performance.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95810631050
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