Liberty, Wrangler 2006-2007

Starter

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Removal & Installation



2.8L Engine
  1. Disconnect and isolate negative battery cable.
  2.  
  3. Raise and support vehicle.
  4.  
  5. Disconnect solenoid wire connector from solenoid terminal
  6.  
  7. Remove battery cable from stud on starter solenoid.
  8.  
  9. Remove 3 starter mounting bolts.
  10.  
  11. Remove starter from transmission bellhousing.
  12.  

To install:

  1. Position starter motor to transmission housing.
  2.  
  3. Connect battery cable solenoid terminal wire harness connector to connector receptacle on starter solenoid. Always support starter motor during this process. Do not let starter motor hang from wire harness.
  4.  
  5. Install battery cable eyelet terminal onto solenoid B(+) terminal stud.
  6.  
  7. Install nut securing battery cable eyelet terminal to starter solenoid B(+) terminal stud.
  8.  
  9. Refer to torque specifications.
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  11. Position starter motor and install 3 bolts. Tighten 3 bolts in this sequence: top bolt, bottom bolt, middle bolt. Refer to torque specifications.
  12.  
  13. Lower vehicle.
  14.  
  15. Connect negative battery cable.
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4.0L Engine
  1. Disconnect and isolate negative battery cable.
  2.  
  3. Raise and support vehicle.
  4.  
  5. 4.0L With Manual Transmission: Remove lower bolt (forward facing) securing starter motor to transmission housing .
  6.  
  7. 4.0L With Manual Transmission: While supporting starter motor, remove upper bolt (rearward facing) securing starter motor to transmission housing.
  8.  
  9. 4.0L With 42 RLE Automatic Transmission: Remove 2 starter mounting bolts .
  10.  
  11. Lower starter motor from front of transmission housing far enough to access and remove nut securing battery to starter solenoid. Always support starter motor during this process. Do not let starter motor hang from wire harness.
  12.  
  13. Remove battery cable at starter solenoid.
  14.  
  15. Disconnect solenoid terminal wire harness connector from starter solenoid.
  16.  
  17. Remove starter motor from transmission housing

    Click image to see an enlarged view

    Fig. Starter mounting-4.0L engine w/manual transmission



    Click image to see an enlarged view

    Fig. Starter mounting-4.0L engine w/42RLE automatic transmission

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To install:

  1. Connect solenoid terminal wire harness connector to starter solenoid. Always support starter motor during this process. Do not let starter motor hang from wire harness.
  2.  
  3. Install battery cable eyelet onto starter solenoid stud.
  4.  
  5. Position starter motor to transmission housing Loosely install two mounting bolts.
  6.  
  7. Tighten upper (rearward facing) mounting bolt to 35 ft. lbs. (47.5 Nm).
  8.  
  9. Tighten lower (forward facing) mounting bolt to 30 ft. lbs. (40.7 Nm).
  10.  
  11. Lower vehicle.
  12.  
  13. Connect negative battery cable.
  14.  

Testing & Troubleshooting



Voltage Drop Test

NOTE
The battery must be in good condition and fully charged prior to performing this test.

  1. Before servicing the vehicle, refer to the Precautions Section.
  2.  
  3. Disable the ignition system by unplugging the ignition system fuse. Verify that the vehicle will not start.
  4.  
  5. Connect a voltmeter between the positive terminal of the battery and the main terminal on the starter solenoid from the battery.
  6.  
  7. Turn the ignition key to the START position and note the voltage on the meter.
  8.  
  9. If voltage reads 0.5 volts or more, there is high resistance in the starter cables or the cable ground, repair as necessary. If the voltage reading is ok proceed to the next step.
  10.  
  11. Connect a voltmeter between the positive terminal of the battery and the terminal on the solenoid leading to the starter.
  12.  
  13. Turn the ignition key to the START position and note the voltage on the meter.
  14.  
  15. If voltage reads 0.5 volts or more, there is high resistance in the starter. Repair or replace the starter as necessary.
    NOTE
    Many automotive parts stores have starter bench testers available for use by customers. A starter bench test is the most definitive way to determine the condition of your starter.

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