Honda Cars 2007-2008

Alternator

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Removal & Installation



Specific to:

Honda S2000 2007-2008

  1. Remove or disconnect the following:

    Negative battery cable, then the positive
     
    Accessory drive belt
     
    4P connector and battery terminal wire
     
    Alternator bolts
     
    Alternator
     

  2.  

To install:

  1. Install or connect the following:

    Alternator and tighten the bolts to 33 ft. lbs. (44 Nm)
     
    4P connector and battery terminal wire. Tighten the battery terminal wire nut to 108 inch lbs. (12 Nm).
     
    Accessory drive belt
     
    Negative battery cable, then the positive
     

  2.  

Specific to:

Honda Fit 2007-2008

  1. Make sure you have the anti-theft code for the audio system, and that the ignition switch is in LOCK (0).
  2.  
  3. Disconnect the negative cable from the battery.
  4.  
  5. Remove the drive belt by loosening the lock bolt, the mounting bolt, and the adjusting bolt, then remove the drive belt.

    Click image to see an enlarged view

    Fig. Removing the drive belt

  6.  
  7. Remove the intake manifold. See -Intake Manifold- section.
  8.  
  9. Disconnect the alternator connector, the BLK wire and the harness clamp from the alternator.
  10.  
  11. Remove the lock bolt and the mounting bolt, then remove the alternator.
  12.  

To install:

  1. Install the alternator, then loosely install the lock bolt and the mounting bolt.
  2.  
  3. Install the drive belt.
  4.  
  5. Adjust the drive belt tension as follows:
    1. Loosen the lock bolt and the mounting bolt.
    2.  
    3. Turn the adjusting bolt to obtain the proper belt tension, then retighten the lock bolt and the mounting bolt.
    4.  
    5. Recheck the belt tension. It should be 99-132 lbs. of pressure.
    6.  

  6.  
  7. When the belt tension is adjusted, fully tighten the bolts as follows:

    Lock bolt: 17 ft. lbs. (24 Nm)
     
    Mounting bolt: 33 ft. lbs. (44 Nm)
     

  8.  
  9. Connect the alternator connector and the BLK wire by aligning the tab on the terminal and the groove of the terminal insulator, then install the harness clamp.
  10.  
  11. Install the intake manifold. See -Intake Manifold- section.
  12.  
  13. Connect the negative cable to the battery.
  14.  
  15. Enter the anti-theft code for the audio system.
  16.  
  17. Set the clock.
  18.  

1.8L Engine

Specific to:

Honda Civic 2007-2008

  1. Before servicing the vehicle, refer to the Precautions section.
  2.  
  3. Remove or disconnect the following:

    Negative battery cable, then the positive
     
    Accessory drive belt
     
    4P connector and battery terminal wire
     
    Alternator bolts
     
    Alternator
     

  4.  

To install:

  1. Installation is the reverse of removal.
  2.  
  3. Adjust the alternator belt tension.
  4.  
  5. Connect the negative battery cable, and then the positive cable.
  6.  

2.0L Engine

Specific to:

Honda Civic 2007-2008

  1. Before servicing the vehicle, refer to the Precautions section.
  2.  
  3. Disconnect the negative battery cable, and then the positive cable.
  4.  
  5. Remove the drive belt.
  6.  
  7. Remove the front grille cover. Disconnect the fan motor connector, hood switch connector. Remove the harness clamps.
  8.  
  9. Remove the reservoir hose, radiator cap mounting bolts and upper radiator brackets.
  10.  
  11. Remove the condenser mounting bolts. Remove the bulkhead.
  12.  
  13. Remove the alternator retaining bolts. Disconnect the electrical connections. Remove the alternator from its mounting.
  14.  

To install:

  1. Installation is the reverse of removal.
  2.  
  3. Adjust the alternator belt tension.
  4.  

2.4L Engine

Specific to:

Honda Accord 2007-2008

  1. Before servicing the vehicle, refer to the Precautions section.
  2.  
  3. Note the radio security code and the radio presets.
  4.  
  5. Remove or disconnect the following:

    Negative battery cable, then the positive
     
    Drive belt
     
    Auto-tensioner, 2007 models only
     
    Connectors from the alternator
     
    Alternator mounting bolts and the alternator

    Click image to see an enlarged view

    Fig. Alternator mounting-2.4L engine

     

  6.  

To install:

  1. Install or connect the following:

    Alternator and mounting bolts. Torque the bolts to 16 ft. lbs. (22 Nm).
     
    Electrical connectors
     
    Auto-tensioner
     
    Drive belt
     
    Positive, then negative battery cables
     

  2.  
  3. Enter the security code and radio presets.
  4.  

3.0L Engines

Specific to:

Honda Accord 2007-2008

  1. Note the radio security code and the radio presets.
  2.  
  3. Remove or disconnect the following:

    Negative battery cable, then the positive
     
    Alternator belt tension by pulling back on the adjuster and then remove the belt
     
    Condenser fan motor connector from the shroud
     
    Condenser fan assembly
     
    Four prong connector from the rear of the alternator
     
    Alternator mounting bolts
     
    Wiring harness clamp
     
    Alternator assembly

    Click image to see an enlarged view

    Fig. Relieve the belt tension by pulling back on the tensioner-3.0L engine



    Click image to see an enlarged view

    Fig. Remove the condenser fan-3.0L engine

     

  4.  

To install:

  1. Alternator installation is the reverse of the removal procedure.

    Click image to see an enlarged view

    Fig. Torque the alternator bolts to the specs shown-3.0L engine

  2.  
  3. Connect the positive battery cable, and then the negative battery cable. Enter the radio security code and station presets.
  4.  

3.5L Engines

Specific to:

Honda Accord 2007-2008

  1. Disconnect the battery cables.
  2.  
  3. Remove the engine splash shield.
  4.  
  5. Disconnect the A/C condenser fan motor connector and remove the harness clamp.
  6.  
  7. Loosen the A/C condenser fan shroud mounting bolts.
  8.  
  9. Remove the A/C condenser fan shroud assembly and the coolant reservoir.
  10.  
  11. Remove the accessory drive belt.
  12.  
  13. Disconnect the alternator connector and the positive alternator cable from the alternator.
  14.  
  15. Remove the harness clamp from the alternator and disconnect the A/C compressor clutch connector from the A/C compressor.
  16.  
  17. Remove the bolt securing the harness holder.
  18.  
  19. Remove the mounting bolt, the alternator bracket mounting bolt, and the alternator.

    Click image to see an enlarged view

    Fig. Remove the mounting bolt (A) and the alternator bracket mounting bolt (B) to remove the alternator-3.5L Engines

  20.  

To install:

  1. Install the alternator. Tighten the mounting bolt to 33 ft. lbs. (44 Nm). Tighten the bracket mounting bolt to 16 ft. lbs. (22 Nm).
  2.  
  3. The remainder of the installation is the reverse order of removal.
  4.  

Testing



Specific to:

Honda Accord 2007-2008

Honda Civic 2007-2008

Honda S2000 2007-2008


NOTE
Requires the use of the Alternator Tester (Honda P/N OTC3131).

  1. Make sure the battery connections are good and the battery is sufficiently charged.
  2.  
  3. Connect the alternator, regulator, battery and starter tester (OTC3131) to the battery.
  4.  
  5. Start the engine. Hold the engine speed at 3,000 rpm with no load (in N or P) until the radiator fan comes on, and then let it idle.
  6.  
  7. Do the CHARGING SYSTEM TEST.
  8.  
  9. If the voltage is over 15.1 V and amperage is less than 87.5 A, replace the alternator.
  10.  
  11. If the voltage is within 13.5-15.1 V and the amperage is 87.5 A or more, check the diode condition on the display.
  12.  
  13. If the diode condition indicates BAD, replace the alternator.
  14.  

 
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