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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1626 (Automatic Transmission - 4L80-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 Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Silverado, and 2003 Chevrolet Cab & Chassis Silverado. 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 .
  2. Disconnect the input speed sensor electrical connector (1).
    Fig 1: Disconnecting Input Speed Sensor Electrical Connector
    G01952363Courtesy 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
    G01952364Courtesy of GENERAL MOTORS CORP.
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