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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 133 (Automatic Transmission - 4L80-E/4L85-E - Introduction (2 Of 2)) >> Repair Instructions >> Repair Instructions - On Vehicle >> Output Shaft Speed Sensor Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2007 GMC Yukon XL and 2007 Chevrolet Suburban. However, it is still accessible from the selected car via links, so may be relevant.
IMPORTANT: This procedure is for 2-wheel drive (2WD) vehicles only. If the vehicle is equipped with 4-wheel drive (4WD), the output speed sensor is located on the transfer case.
  1. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle .
    2. Fig 1: View Of Output Speed Sensor & Electrical Connector
    GM1709733Courtesy of GENERAL MOTORS CORP.
  2. Disconnect the output speed sensor (1) electrical connector.
    3. Fig 2: View Of Input & Output Speed Sensors
    GM686957Courtesy of GENERAL MOTORS CORP.
  3. Remove the output speed sensor bolt.
  4. Remove the output speed sensor (2).
  5. Inspect the output speed sensor (2) for any evidence of damage.
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