Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2003 Porsche Boxster (986) F6-2.7LFACTORY OEM SERVICE PROCEDURE
Compressor Oil
Distribution of the oil quantity in the refrigerant circuit
Total oil quantity 195 ± 15 cubic cm
After suction removal from the system, the following quantities remain in the
condenser 2 x 20 cubic cm approx. 40 cubic cm
evaporator approx. 30 cubic cm
fluid tank with lines approx. 30 cubic cm
compressor approx. 50 cubic cm
circulating oil quantity
in the refrigerant circuit approx. 60 cubic cm
NOTE: In new vehicles, the amount of oil removed by suction is approx.15... 40 cubic cm.
Oil removed by suction must be returned to the system.
Refrigerant oil removed from a previously run air-conditioning system may no longer be used (special-category waste).
After the refrigerant has been removed by suction and a component has been replaced, the oil quantity must be determined and topped up by the quantity remaining in the removed component.
Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.