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HOMESERVICE MANUALSHONDA2009S2000 BASEREPAIR AND DIAGNOSISHEATING, VENTILATION & A/C (HVAC)HVAC CONTROL SYSTEMSHEATING/AIR CONDITIONINGBLOWER/EVAPORATOR UNIT REMOVAL/INSTALLATION
2009 Honda S2000 Base

Blower/Evaporator Unit Removal/Installation

2009 Honda S2000 BaseSECTION Blower/Evaporator Unit Removal/Installation
  1. Recover the refrigerant with a recovery/recycling/ charging station (see REFRIGERANT RECOVERY ).
  2. Do the battery terminal disconnection procedure (see BATTERY TERMINAL DISCONNECTION AND RECONNECTION ).
  3. Remove the battery.
  4. Pull out the grommets, then carefully separate the upper grommet (A) from the lower grommet (B) by releasing the lock tabs (C).
    Fig 1: Identifying Upper Grommet, Lower Grommet And Lock Tabs
    G06232272Courtesy of AMERICAN HONDA MOTOR CO., INC.
  5. Remove the bolt, then disconnect the suction line (A) and the receiver line (B) from the blower/ evaporator unit. Plug or cap the lines immediately after disconnecting them to avoid moisture and dust contamination.
    Fig 2: Suction Line And Receiver Line With Torque Specifications
    G06232273Courtesy of AMERICAN HONDA MOTOR CO., INC.
  6. Remove the passenger's dashboard lower cover (see PASSENGER'S DASHBOARD LOWER COVER REMOVAL/INSTALLATION ) and the right kick panel (see DOOR PANEL REMOVAL/INSTALLATION ).
  7. Disconnect dashboard wire harness connector C504 from the passenger's door wire harness connector, then remove it. Disconnect the wire harness connectors from the convertible top control unit, and remove the unit from the steering hanger beam.
  8. Disconnect the connectors (A) from the blower motor, the power transistor, the evaporator sensor, and the recirculation control motor, then remove the wire harness clips (B). Remove the drain hose (C), the self-tapping screw, the mounting bolts, the mounting nuts, and the blower/evaporator unit (D).
    Fig 3: Connectors, Wire Harness Clips, Drain Hose And Blower/Evaporator Unit With Torque Specifications
    G06232274Courtesy of AMERICAN HONDA MOTOR CO., INC.
  9. Install the unit in the reverse order of removal, and note these items:
    • If you're installing a new blower/evaporator unit, add refrigerant oil (SP-10) (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.
    • 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.
    • Make sure that there is no air leakage.
    • Charge the system (see SYSTEM CHARGING ).
    • Do the ECM idle learn procedure: '00-05 models (see ECM IDLE LEARN PROCEDURE ); '06-09 models (see ECM IDLE LEARN PROCEDURE ).
  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.