GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 1999 🢒 GMC C Pickup - 2WD 🢒 Transmission/Transaxle 🢒 Automatic Transmission - 4L80-E 🢒 Input and Output Speed Sensor Assembly Removal

    Object Number: 181638 Size: SH
  1. Remove the input speed sensor bolt (23).
  2. Remove the input speed sensor (22A).
  3. Remove the output speed sensor bolt (23).
  4. Remove the output speed sensor (22B), (output speed sensor plug on 4WD model).
  5. Inspect the speed sensors for damage.