GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2008 🢒 Corvette 🢒 Transmission/Transaxle 🢒 Automatic Transmission - 6L50/6L80/6L90 🢒 Range Selector Lever Cable Replacement

Removal Procedure
  1. Shift the floor shift control to NEUTRAL.

    2. If replacing a damaged cable, be sure that BOTH the floor shift control and the transmission are in NEUTRAL.

  2. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle .
  3. Remove the intermediate exhaust pipe to gain access to the cable at the transmission control assembly. Refer to Intermediate Pipe Replacement .
  4. Remove the driveline tunnel closeout panel. Refer to Floor Panel Tunnel Panel Reinforcement Replacement .

    5. Object Number: 1672401 Size: SH

    Important: Use care to not suddenly jerk the shift control cable during disassembly, the shift control cable rod end guide tubes are EXTREMELY INFLEXIBLE and capable of only a SLIGHT bend.

  5. Using a large flat-bladed screwdriver, CAREFULLY release the shift control cable end clip (1) from the floor shift control arm stud.
  6. Remove the shift control cable (2) from the driveline tunnel bracket.
    7. 6.1. Using a flat-bladed screwdriver, pry the cable retaining staple clip from the cable.
    6.2. Depress the cable retaining tabs.
    6.3. While depressing the tabs, push the tabs through the hole in the driveline tunnel bracket.
    6.4. Slide the cable out of the bracket slot.

    Object Number: 1672399 Size: SH
  7. CAREFULLY release the shift control cable end clip (1) from the transmission shift lever stud.
  8. Remove the shift control cable (3) from the shift control cable bracket.
    9. 8.1. Using a flat-bladed screwdriver, pry the shift cable retaining staple clip (2) from the cable.
    8.2. Depress the shift cable retaining tabs.
    8.3. While depressing the tabs, push the tabs through the hole in the shift cable bracket.
    8.4. Slide the cable out of the bracket slot.

Installation Procedure

    Object Number: 1672401 Size: SH
  1. Position and install the shift control cable (2) to the driveline tunnel bracket.
    2. 1.1. Slide the smaller diameter portion of the shift cable into the slot in the driveline tunnel bracket.
    1.2. Push the shift cable retaining tabs through the hole in the bracket to lock the cable in place.
    1.3. Insert the shift cable retaining staple clip between the shift cable retaining tabs.

    Press the staple clip firmly to secure.

  2. CAREFULLY secure the shift control cable end (1) to the floor shift control arm stud.

    3. Object Number: 1672399 Size: SH
  3. Install the shift control cable (3) to the shift control cable bracket.
    4. 3.1. Slide the smaller diameter portion of the cable into the slot in the shift cable bracket.
    3.2. Push the tabs through the hole in the bracket to lock the cable in place.
    3.3. Insert the shift cable retaining staple clip (2) between the shift cable retaining tabs.

    Press the staple clip (2) firmly to secure.

  4. CAREFULLY secure the shift control cable end clip (1) to the transmission shift lever stud.
  5. If installing a NEW transmission shift control cable, remove the shipping guard from the adjuster lock.

    6. Object Number: 73238 Size: SH
  6. If installing a NEW transmission shift control cable, depress the shift control cable adjuster lock.
  7. Lower the vehicle. Leave the vehicle on the hoist.
  8. Verify that the shift control cable is operating smoothly:
    9. 8.1. Firmly apply the parking brake.
    8.2. Turn the ignition switch to ON; DO NOT start the engine.
    8.3. Apply the regular brakes.
    8.4. Shift from NEUTRAL to FIRST, then shift from FIRST to SECOND, then DRIVE and so on; pause for 1 second in each detent position.

    Take note of an audible sound from the transmission shift lever each time a shift detent is selected.

    8.5. Shift from PARK directly to FIRST.
    8.6. Repeat steps 8.4 and 8.5 an additional 2 times.
    8.7. If any binding is felt during this check, or if no audible sound was produced from the transmission shift lever, inspect the shift control cable for damage (at either end of the cable).
    8.8. Shift the floor shift control into PARK.
    8.9. Release the regular brakes.
    8.10. Turn the ignition switch OFF.
    8.11. Release the parking brake.
  9. Raise and support the vehicle.
  10. Install the driveline tunnel closeout panel. Refer to Floor Panel Tunnel Panel Reinforcement Replacement .
  11. Connect the intermediate exhaust pipe. Refer to Intermediate Pipe Replacement .

    12. Caution: Refer to Road Test Caution in the Preface section.

  12. Test drive the vehicle in an area with little traffic; ensure that the transmission will shift smoothly into, and maintain each detent position.