Escalade, Suburban 1500 & 2500, Tahoe, Yukon, Yukon XL 1500 & 2500 (2006-2007), Yukon Denali and Yukon Denali XL (2005-2006)

Starter

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Removal & Installation



4.8L, 5.3L, 6.0L & 6.2L Engines
  1. Disconnect the negative battery cable.
  2.  
  3. Raise and support the vehicle.
  4.  
  5. Remove or disconnect the following:

    Protective shields (as necessary)
     
    Starter solenoid shield
     
    Starter-to-transmission close out cover bolt
     
    Engine oil level sensor connection
     

  6.  
  7. Slide the starter forward until the starter clears the transmission.
    NOTE
    If additional clearance is necessary, remove the right front wheel and tire, then remove the starter from the wheel well.



    Starter transmission close out cover
     
    Positive battery cable and wiring harness from the starter
     
    Starter
     



    Click image to see an enlarged view

    Fig. Starter removal-4.8L, 5.3L, 6.0L and 6.2L engines

  8.  

To install:

  1. Install or connect the following:

    Starter
     
    Positive battery cable.
     
    Starter transmission close out cover
     
    Mounting bolts to the engine block and tighten to 37 ft. lbs. (50 Nm)
     
    Oil level sensor connection
     
    Starter-to-transmission close out cover bolt
     
    Starter solenoid shield
     
    Protective shields (as necessary)
     

  2.  
  3. Remove the safety stands.
  4.  
  5. Lower the vehicle.
  6.  
  7. Connect the negative battery cable.
  8.  

8.1L Engine
  1. Remove or disconnect the following:

    Negative battery cable
     
    Positive battery cable nut
     
    Positive cable from the solenoid
     
    Engine harness ground nut and ground from the solenoid
     
    Mounting bolts and starter
     
    Heat shield bolts, nut and shield, if necessary
     

  2.  

To install:

  1. Install or connect the following:

    Heat shield, bolts and nut if removed. Tighten the bolts to 35 inch lbs. (3 Nm) and the nut to 44 inch lbs. (5 Nm).
     
    Starter and bolts. Tighten to 37 ft. lbs. (50 Nm).
     
    Ground wire and nut. Tighten to 30 inch lbs. (3.4 Nm).
     
    Positive cable and nut. Tighten to 80 inch lbs. (9 Nm).
     
    Negative battery cable.
     

  2.  

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.

  16.  

 
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