Nissan Frontier, Xterra 1998-05

Alternator

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Diagnosis & Testing



Visually check the alternator wiring and listen for abnormal noises. Check that the wiring is in good condition. Check that there is no abnormal noise from the alternator while the engine is running.

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Fig. Alternator circuit diagram 2.4L engine-2004 shown



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Fig. Alternator circuit diagram 3.3L engine-2004 shown



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Fig. Alternator circuit diagram-Frontier (2005)



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Fig. Alternator circuit diagram-Xterra (2005)

Installation



2.4L Engines
  1. Install or connect the following:

    Alternator
     
    Alternator belt. Tighten the adjustment bolt to 12-14 ft. lbs. ( 16-19 Nm) and the pivot bolt to 32-38 ft. lbs. (44-52 Nm).
     
    Alternator harness connectors
     
    Right splash shield
     
    Engine under cover
     
    Negative battery cable
     

  2.  

  1. Install or connect the following:

    Alternator
     
    Alternator belt. Tighten the adjustment bolt to 12-14 ft. lbs. ( 16-19 Nm) and the pivot bolt to 32-38 ft. lbs. (44-52 Nm).
     
    Alternator harness connectors
     
    Right splash shield
     
    Engine under cover
     
    Negative battery cable
     

  2.  

  1. Install or connect the following:

    Alternator
     
    Alternator belt. Tighten the adjustment bolt to 12-14 ft. lbs. ( 16-19 Nm) and the pivot bolt to 32-38 ft. lbs. (44-52 Nm).
     
    Alternator harness connectors
     
    Right splash shield
     
    Engine under cover
     
    Negative battery cable
     

  2.  

3.3L Engines
  1. Install or connect the following:

    Alternator
     
    Alternator belt. Tighten the adjustment bolt to 12-14 ft. lbs. ( 16-19 Nm) and the pivot bolts to 16-22 ft. lbs. (22-30 Nm).
     
    Engine under cover
     
    Alternator harness connectors
     
    Negative battery cable
     

  2.  

  1. Install or connect the following:

    Alternator
     
    Alternator belt. Tighten the adjustment bolt to 12-14 ft. lbs. ( 16-19 Nm) and the pivot bolts to 16-22 ft. lbs. (22-30 Nm).
     
    Engine under cover
     
    Alternator harness connectors
     
    Negative battery cable
     

  2.  

  1. Install or connect the following:

    Alternator
     
    Alternator belt. Tighten the adjustment bolt to 12-14 ft. lbs. ( 16-19 Nm) and the pivot bolts to 16-22 ft. lbs. (22-30 Nm).
     
    Engine under cover
     
    Alternator harness connectors
     
    Negative battery cable
     

  2.  

  1. Install or connect the following:

    Alternator
     
    Alternator belt. Tighten the adjustment bolt to 12-14 ft. lbs. ( 16-19 Nm) and the pivot bolts to 16-22 ft. lbs. (22-30 Nm).
     
    Engine under cover
     
    Alternator harness connectors
     
    Negative battery cable
     

  2.  

Removal



2.4L Engine
  1. Before servicing the vehicle, refer to the precautions in the beginning of this section.
  2.  
  3. Remove or disconnect the following:

    Negative battery cable
     
    Engine under cover
     
    Right splash shield
     
    Alternator harness connectors
     
    Alternator belt
     
    Alternator
     

  4.  

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

    Negative battery cable
     
    Engine under cover
     
    Right splash shield
     
    Alternator harness connectors
     
    Alternator belt
     
    Alternator
     

  4.  

3.3L Engines
  1. Before servicing the vehicle, refer to the precautions in the beginning of this section.
  2.  
  3. Remove or disconnect the following:

    Negative battery cable
     
    Alternator harness connectors
     
    Engine under cover
     
    Alternator belt
     
    Alternator
     

  4.  

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

    Negative battery cable
     
    Alternator harness connectors
     
    Engine under cover
     
    Alternator belt
     
    Alternator
     

  4.  

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

    Negative battery cable
     
    Alternator harness connectors
     
    Engine under cover
     
    Alternator belt
     
    Alternator
     

  4.  

Removal & Installation



3.3L Engine
  1. Before servicing the vehicle, refer to the Precautions section.
  2.  
  3. Remove or disconnect the following:

    Negative battery cable
     
    Alternator harness connectors
     
    Engine under cover
     
    Alternator belt
     
    Alternator
     

  4.  

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

    Negative battery cable
     
    Alternator harness connectors
     
    Engine under cover
     
    Alternator belt
     
    Alternator
     

  4.  

To install:

  1. Install or connect the following:

    Alternator
     
    Alternator belt. Tighten the adjustment bolt to 12-14 ft. lbs. (16-19 Nm) and the pivot bolts to 16-22 ft. lbs. (22-30 Nm).
     
    Engine under cover
     
    Alternator harness connectors
     
    Negative battery cable
     

  2.  

 
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