Acura_MDX_2001-2006

Alternator

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Removal & Installation



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

    Negative battery cable
     
    Positive battery cable
     
    Intake manifold and ignition coil covers
     
    Accessory drive belt
     
    Harness clamp (A) and then the bracket (B)
     
    Alternator connector (C) and the BLK wire (D) from the alternator
     
    Mounting bolt (A) and alternator bracket mounting bolt (B)
     
    Alternator

    Click image to see an enlarged view

    Fig. View of the harness clamp (A), bracket (B), alternator connector (C) and BLK wire (D)

     

  4.  

To install:

  1. Install or connect the following:

    Alternator
     
    Wiring harness clamp. Tighten the bolt to 105 inch lbs. (12 Nm).
     
    Alternator mounting bolts. Tighten the 10mm bolt to 33 ft. lbs. (44 Nm) and the 8mm bolt to 16 ft. lbs. (22 Nm).
     
    Alternator wiring harness connectors. Tighten the battery terminal nut to 105 inch lbs. (12 Nm).
     
    Accessory drive belt
     
    Intake manifold and ignition coil covers
     
    Negative battery cable
     

  2.  

Testing



Battery Test

CAUTION
A battery can explode if you do not follow the proper procedure, causing serious injury to anyone nearby. Follow all procedures carefully and keep sparks and open flames away from the battery.

Use either a JCI or Bear ARBST tester, and follow the manufacturer's procedures. If you don't have one of these computerized testers, follow this conventional test procedure:

  1. Be sure the temperature of the electrolyte is between 70°F (21°C) and 100°F (38°C).
  2.  
  3. Inspect the battery case for cracks or leaks:
    1. If the case is damaged, replace the battery. n
    2.  
    3. If the case looks OK, go to step 3.
    4.  

  4.  
  5. Check the indicator EYE:
    1. If the EYE indicates the battery is charged, go to step 4.
    2.  
    3. If the EYE indicates a low charge, go to step 7.
    4.  

  6.  
  7. Apply a 300 amp load for 15 seconds to remove the surface charge.
  8.  
  9. Wait 15 seconds, then apply a test load of 280 amps for 15 seconds.
  10.  
  11. Record battery voltage:
    1. If voltage is above 9.6 volts, the battery is OK. n
    2.  
    3. If voltage is below 9.6 volts, go to step 7.
    4.  

  12.  
  13. Charge the battery on High (40 amps) until the EYE shows the battery is charged, plus an additional 30 minutes. If the battery charge is very low, it may be necessary to bypass the charger's polarity protection circuitry:
    1. If the EYE indicates the battery is charged within three hours, the battery is OK. n
    2.  
    3. If the EYE indicates the battery is not charged within three hours, replace the battery. n
    4.  

  14.  

 
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