Mazda B-Series 1998-06

Alternator

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Removal & Installation



2.3L Engine
  1. Before servicing the vehicle, refer to the Precautions section.
  2.  
  3. Remove or disconnect the following:

    Battery ground cable
     
    Air cleaner outlet tube
     
    Accessory drive belt
     
    Mounting bolts and alternator
     
    Nut and the electrical connectors.
     

  4.  
  5. To install, reverse the removal procedure. Torque all mounting bolts to 18 ft. lbs. (25Nm).
  6.  

  1. Before servicing the vehicle, refer to the Precautions Section.
  2.  
  3. Disconnect the negative battery cable.
    NOTE
    On some vehicles, when the battery cable is disconnected and reconnected, some abnormal drive symptoms may occur while the vehicle relearns its adaptive strategy. The vehicle may need to be driven to relearn its strategy.

  4.  
  5. Remove or disconnect the following:

    Air cleaner outlet tube
     
    Accessory drive belt
     
    Mounting bolts and alternator
     
    Nut and the electrical connectors.
     

  6.  
  7. To install, reverse the removal procedure. Torque all mounting bolts to 18 ft. lbs. (25 Nm).

    Click image to see an enlarged view

    Fig. Alternator mounting bolts-2.3L engine



    Click image to see an enlarged view

    Fig. Alternator wiring connections-2.3L engine

  8.  

2.5L Engine
  1. Before servicing the vehicle, refer to the Precautions section.
  2.  
  3. Remove or disconnect the following:

    Negative battery cable
     
    Drive belt
     
    Electrical connections to the alternator
     
    Alternator
     

  4.  

To install:

  1. Install or connect the following:

    Alternator. Torque the bolts to 40 ft. lbs. (55 Nm).
     
    Electrical connectors to the alternator
     
    Drive belt
     
    Negative battery cable
     

  2.  

3.0L & 4.0L OHV Engines
  1. Before servicing the vehicle, refer to the Precautions section.
  2.  
  3. Remove or disconnect the following:

    Negative battery cable
     
    Air cleaner outlet tube
     
    Drive belt
     
    Electrical connectors from the alternator
     
    Wiring harness to alternator push pin
     
    Alternator
     

  4.  

To install:

  1. Install or connect the following:

    Alternator. Torque the bolts to 40 ft. lbs. (55 Nm).
     
    Push pin for the alternator wiring harness
     
    Electrical connectors to the alternator
     
    Drive belt
     
    Air cleaner outlet tube
     
    Negative battery cable
     

  2.  

3.0L Engine
  1. Before servicing the vehicle, refer to the Precautions Section.
  2.  
  3. Disconnect the negative battery cable.
    NOTE
    On some vehicles, when the battery cable is disconnected and reconnected, some abnormal drive symptoms may occur while the vehicle relearns its adaptive strategy. The vehicle may need to be driven to relearn its strategy.

  4.  
  5. Remove or disconnect the following:

    Air cleaner outlet tube
     
    Drive belt
     
    Electrical connectors from the alternator
     
    Wiring harness to alternator push pin
     
    Alternator
     

  6.  

To install:

Click image to see an enlarged view

Fig. Alternator wiring connections-3.0L engine



Click image to see an enlarged view

Fig. Wiring harness pin-type retainer-3.0L engine



Click image to see an enlarged view

Fig. Alternator mounting bolts-3.0L engine

  1. Install or connect the following:

    Alternator. Torque the bolts to 40 ft. lbs. (55 Nm) for 2002-2003; 35 ft. lbs (48 Nm) for 2004-2006.
     
    Pushpin for the alternator wiring harness
     
    Electrical connectors to the alternator
     
    Drive belt
     
    Air cleaner outlet tube
     
    Negative battery cable
     

  2.  

4.0L Engine
  1. Before servicing the vehicle, refer to the Precautions Section.
  2.  
  3. Disconnect the negative battery cable.
    NOTE
    On some vehicles, when the battery cable is disconnected and reconnected, some abnormal drive symptoms may occur while the vehicle relearns its adaptive strategy. The vehicle may need to be driven to relearn its strategy.

  4.  
  5. Remove or disconnect the following:

    Air cleaner outlet tube
     
    Accessory drive belt
     
    Electrical connectors
     
    Wiring harness-to-alternator pin-type retainer
     
    Stud bolt, the bolts and the alternator
     

  6.  
  7. To install, reverse the removal procedure. Torque all mounting bolts to 35 ft. lbs. (47 Nm).

    Click image to see an enlarged view

    Fig. Alternator wiring connections-4.0L engine



    Click image to see an enlarged view

    Fig. Alternator wiring pin-type retainer-4.0L engine



    Click image to see an enlarged view

    Fig. Alternator mounting bolts-4.0L engine

  8.  

4.0L SOHC Engines
  1. Before servicing the vehicle, refer to the Precautions section.
  2.  
  3. Remove or disconnect the following:

    Negative battery cable
     
    Air cleaner outlet tube
     
    Accessory drive belt
     
    Electrical connectors
     
    Wiring harness-to-generator pin-type retainer
     
    Stud bolt, the bolts and the alternator
     

  4.  
  5. To install, reverse the removal procedure. Torque all mounting bolts to 35 ft. lbs. (47Nm).
  6.  

 
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