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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1007 (Automatic Transmission - 4L80-E/4L85-E (Introduction, Service & Replacement)) >> Repair Instructions >> Input Shaft Speed Sensor Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 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 in General Information.
    Fig 1: Disconnecting The Input Speed Sensor Electrical Connector
    GM859361Courtesy of GENERAL MOTORS CORP.
  2. Disconnect the input speed sensor electrical connector (1).
  3. Remove the input speed sensor bolt.
  4. Remove the input speed sensor (1).
    Fig 2: View Of Input & Output Speed Sensors
    GM686957Courtesy of GENERAL MOTORS CORP.
  5. Inspect the input speed sensor (1) for any evidence of damage.
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