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HOMESERVICE MANUALSHONDA2009S2000 BASEREPAIR AND DIAGNOSISHEATING, VENTILATION & A/C (HVAC)HVAC CONTROL SYSTEMSHEATING/AIR CONDITIONINGA/C COMPRESSOR REPLACEMENT
2009 Honda S2000 Base

A/C Compressor Replacement

2009 Honda S2000 BaseSECTION A/C Compressor Replacement
  1. If the A/C compressor is marginally operable, run the engine at idle speed, and let the air conditioning work for a few minutes, then shut the engine off.
  2. Do the battery terminal disconnection procedure (see BATTERY TERMINAL DISCONNECTION AND RECONNECTION ).
  3. Recover the refrigerant with a recovery/recycling/ charging station (see REFRIGERANT RECOVERY ).
  4. Remove the air cleaner housing (see CYLINDER HEAD REMOVAL ).
  5. Remove the alternator (see ALTERNATOR REMOVAL AND INSTALLATION ).
  6. Remove the nuts, then disconnect the suction line (A) and the discharge line (B) from the A/C compressor. Plug or cap the lines immediately after disconnecting them to avoid moisture and dust contamination.
    Fig 1: Suction Line And Discharge Line With Torque Specifications
    G06232284Courtesy of AMERICAN HONDA MOTOR CO., INC.
  7. Disconnect the A/C compressor clutch connector, then remove the mounting bolts and the A/C compressor.
    Fig 2: Mounting Bolts And A/C Compressor With Torque Specifications
    G06232285Courtesy of AMERICAN HONDA MOTOR CO., INC.
  8. If necessary, remove the mounting bolts and the A/C compressor bracket.
    Fig 3: Mounting Bolts And A/C Compressor Bracket With Torque Specifications
    G06232286Courtesy of AMERICAN HONDA MOTOR CO., INC.
  9. Install the A/C compressor in the reverse order of removal, and note these items:
    • If you're installing a new A/C compressor, you must calculate the amount of refrigerant oil to be removed from it (see A/C REFRIGERANT OIL REPLACEMENT ).
    • Replace the O-rings with new ones at each fitting, and apply a thin coat of refrigerant oil before installing them. Be sure to use the correct O-rings for HFC-134a (R-134a) to avoid leakage.
    • Use refrigerant oil (SP-10) for HFC-134a KEIHIN spiral type A/C compressor only.
    • To avoid contamination, do not return the oil to the container once dispensed, and never mix it with other refrigerant oils.
    • Immediately after using the oil, reinstall the cap on the container, and seal it to avoid moisture absorption.
    • Do not spill the refrigerant oil on the vehicle; it may damage the paint. If the refrigerant oil contacts the paint, wash it off immediately.
    • Charge the system (see SYSTEM CHARGING ).
  10. Do the battery terminal reconnection procedure (see BATTERY TERMINAL DISCONNECTION AND RECONNECTION ).
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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.