Hi, removing the barrel requires removal of the steering wheel, lockplate, and turn signal switch. Once all of these are out, you will see the screw that holds the lock in. You will need a puller to remove the steering wheel and a lockplate compression tool to push the lockplate down while removing the lockplate clip. You may be able to borrow these tools from Autozone or another tool rental outlet. I have pasted the procedure below from autozone.com. Please let me know if you have more questions, and thanks for using FixYa.
1969 CHEVELLE DELUXE WHEEL AND STANDARD WHEEL ON ALL MODELS 1970 AND LATER
See Figures 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12 and 13
- Disconnect the negative battery cable.
- Remove the trim retaining screws from behind the wheel.
- Lift the trim off, then disconnect the horn wire(s).
- For most 1975 and later models, remove the snapring.
Fig. Fig. 2: Steering wheel installation-1969 deluxe and 1970-72 standard wheel
- Remove the steering wheel retaining nut.
- Matchmark the wheel-to-shaft relationship, then remove the wheel with a steering wheel puller such as tool No. J-2927.
- Install the wheel on the shaft, aligning the marks made during removal.
- Install the steering wheel retaining nut, then tighten the nut to 30 ft. lbs. (41 Nm).
- If equipped, install the snapring.
Fig. Fig. 4: Steering wheel installation-1980 and later vehicles
Fig. Fig. 5: Most 1975 and later wheels are equipped with a snapring to assure the retaining nut remains in position
- Hold the trim just above position, then connect the horn wire(s)..
- Install the center trim and secure using the retaining screws.
- Connect the negative battery cable.
Fig. Fig. 6: A ratchet or driver should be used to loosen the trim pad retaining screws
Fig. Fig. 7: Once they are loosened, remove the trim pad screws from the back of the steering wheel
Fig. Fig. 8: Pull the trim pad from the steering wheel in order to access the horn wire(s)
Fig. Fig. 9: Remove the retaining nut snapring
Fig. Fig. 10: Matchmark the relationship between the steering shaft and the wheel in order to assure proper wheel installation
Fig. Fig. 11: Loosen and remove the wheel retaining nut
Fig. Fig. 12: Use a steering wheel puller to loosen the wheel on the steering shaft
Fig. Fig. 13: Once the wheel has been loosened by the puller, the wheel may may be removed from the steering shaft
- Remove the trim cover from the column.
- Remove the steering column cover from the shaft by removing the three screws or by prying it out with a screwdriver (1976 and later models).
- Use a compressing tool, such as No. J-23653, to compress and hold the lockplate. With the plate compressed, pry out and discard the snapring from its shaft groove.
- Slide the cancelling cam, spring, and washer off the shaft.
- Remove turn signal lever.
- Push the four-way flasher knob in and unscrew it.
- Remove the three switch mounting screws.
- Pull switch connector out of the bracket, pull it off the shaft and allow it to hang by the wires.
- Remove the lock barrel retaining screw and remove the lock.