Honda_Odyssey_2001-2006

Compressor

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Removal & Installation



2001-04 Models

CAUTION
Only a MVAC-trained, EPA-certified, automotive technician should service the A/C system or its components. Please refer to the precautions regarding the A/C system at the beginning of this section.

  1. If the 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.  
  3. Make sure you have the anti-theft code for the radio and the navigation system, then write down the frequencies for the radio's preset buttons.
  4.  
  5. Disconnect the negative cable from the battery.
  6.  
  7. Recover the refrigerant with a recovery/recycling/charging station, as outlined earlier in this section.
  8.  
  9. Remove the alternator, as outlined in the Engine Electrical Section.
  10.  
  11. Remove the splash shield.
  12.  
  13. Remove the bolt and the nuts, then disconnect the suction line (A) and discharge line (B) from the compressor. Plug or cap the lines immediately after disconnecting them to avoid moisture and dust contamination.

    Click image to see an enlarged view

    Fig. Remove the bolt and the nuts, then disconnect the suction line (A) and discharge line (B) from the compressor

  14.  
  15. Disconnect the compressor clutch connector, then remove the mounting bolts and the compressor.
  16.  
  17. If necessary, remove the mounting bolts and the compressor bracket.
  18.  

To install:

  1. Install the compressor in the reverse order of removal, and note these items:
    1. Tighten the compressor mounting bracket mounting bolts to 33 ft. lbs. (44 Nm), if removed, and the compressor bolts to 16 ft. lbs. (22 Nm).
    2.  
    3. If you're installing a new compressor, you must calculate the amount of refrigerant oil to be removed from it.
    4.  
    5. 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.
    6.  
    7. Use refrigerant oil (DENSO ND-OIL 8) for HFC-134a DENSO piston type compressor only. To avoid contamination, do not return the oil to the container once dispensed, and never mix it with other refrigerant oils.
    8.  
    9. Immediately after using the oil, reinstall the cap on the container, and seal it to avoid moisture absorption.
    10.  
    11. 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.
    12.  

  2.  
  3. Charge the system, as outlined in this section.
    NOTE
    The idle learn procedure must be done so the PCM can learn the engine idle characteristics. Perform the idle learn procedure whenever you do any of these actions:



    Replace PCM
     
    Reset PCM
     
    Update PCM
     
    Clean or replace the throttle body
     

  4.  
  5. Perform the PCM idle learn procedure, as follows:
    NOTE
    Erasing DTCs with the HDS does not require you to do the idle learn procedure.

    1. Make sure all electrical items (A/C, audio, rear window defogger, lights, etc.) are off.
    2.  
    3. Reset the PCM with the HDS.
    4.  
    5. Turn the ignition switch ON (II), and wait 2 seconds.
    6.  
    7. Start the engine. Hold the engine speed at 3,000 rpm without load (in Park or neutral) until the radiator fan comes on, or until the engine coolant temperature reaches 194 °F (90 °C).
    8.  
    9. Let the engine idle for about 5 minutes with the throttle fully closed.
      NOTE
      If the radiator fan comes on, do not include its running time in the 5 minutes.


      NOTE
      On 2003-04 models, the power window reset procedure must be performed every time you:



      Disconnect the battery.
       
      Remove the No. 79 (20A) fuse in the under-hood subfuse box.
       
      Disconnect the 18P connector from the power window control unit.
       
      Remove the window regulator, glass or glass run channel.
       
      Disconnect the driver's door wire harness.
       

    10.  

  6.  
  7. For 2003-04 models, perform the power window reset procedure, as follows:
    1. Turn the ignition switch off, then back ON (II).
    2.  
    3. Move the driver's window all the way down by holding the driver's switch to the AUTO DOWN position; when the window reaches the bottom, hold the driver's window switch in the AUTO DOWN position for 2 seconds.
    4.  
    5. Move the driver's window all the way up without stopping by holding the driver's switch to the AUTO UP position; when the window reaches the top, hold the driver's window switch in the AUTO UP position for 2 seconds.
    6.  
    7. If the window does not work in AUTO, reset the power window control unit according to the above procedures again.
    8.  

  8.  
  9. Enter the anti-theft code for the radio and the navigation system, then enter the radio station presets.
  10.  

2005-06 Models

CAUTION
Only a MVAC-trained, EPA-certified, automotive technician should service the A/C system or its components. Please refer to the precautions regarding the A/C system at the beginning of this section.


WARNING
Do not install the A/C compressor into a system unless you are completely sure that the system is free of contamination. Installing the A/C compressor into a contaminated system can result in premature A/C compressor failure.

  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.  
  3. Recover the refrigerant with a recovery/recycling/charging station, as outlined in this section.
  4.  
  5. Remove the intake manifold cover, and the drive belt. Refer to the Engine Mechanical Section.
  6.  
  7. Remove the front splash shield. Remove the clips (A) and bolt from the right front inner fender (B). Then move the inner fender to the rear.

    Click image to see an enlarged view

    Fig. Remove the clips (A) and bolt from the right front inner fender (B). Then move the inner fender to the rear

  8.  
  9. Disconnect the A/C compressor clutch connector (A). Remove the bolt and the nut, then disconnect the suction line (B) and discharge line (C) from the A/C compressor. Plug or cap the lines immediately after disconnecting them to avoid moisture and dust contamination.

    Click image to see an enlarged view

    Fig. Disconnect the A/C compressor clutch connector (A). Remove the bolt and the nut, then disconnect the suction line (B) and discharge line (C) from the A/C compressor

  10.  
  11. Remove the mounting bolts and the A/C compressor.
  12.  

To install:

  1. Install the compressor in the reverse order of removal, and note these items:
    1. Tighten the compressor mounting bolts to 16 ft. lbs. (22 Nm).
    2.  
    3. Inspect the A/C lines for any signs of contamination.
    4.  
    5. If you're installing a new A/C compressor, you must calculate the amount of refrigerant oil to be removed from it. A new A/C compressor comes with a full charge of oil.
    6.  
    7. 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.
    8.  
    9. Use refrigerant oil (DENSO ND-OIL 8) for HFC-134a DENSO piston type A/C compressor only.
    10.  
    11. To avoid contamination, do not return the oil to the container once dispensed, and never mix it with other refrigerant oils.
    12.  
    13. Immediately after using the oil, reinstall the cap on the container, and seal it to avoid moisture absorption.
    14.  
    15. 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.
    16.  
    17. Charge the system, as outlined in this section.
    18.  

  2.  

 
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