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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 834 (Automatic Transmission - 4L80-E/4L85-E (Service & Replacement)) >> Repair Instructions >> Input Shaft Speed Sensor Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2003 GMC Yukon XL, 2003 Chevrolet Suburban, and 2003 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
  1. Raise and suitably support the vehicle. Refer to LIFTING AND JACKING THE VEHICLE in General Information.
  2. Disconnect the input speed sensor electrical connector (1).
    Fig 1: Disconnecting Input Speed Sensor Electrical Connector
    G02112234Courtesy of GENERAL MOTORS CORP.
  3. Remove the input speed sensor bolt.
  4. Remove the input speed sensor (1).
  5. Inspect the input speed sensor (1) for any evidence of damage.
    Fig 2: Removing Input Speed Sensor & Bolt
    G02112235Courtesy of GENERAL MOTORS CORP.
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