Question about 1972 Chevrolet Corvette

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How to remove ignition lock cylinder from a 1974 corvette?

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The early model GM lock cylinders a re a little different than the 80's and 90's. If you have a replacement lock, you will see a small black spring loaded bar on the side of the cylinder housing. that is what holds the lock in place.
to remove it, most times you need to punch through the cast housing in the correct spot to depress that bar. Once you press the bar correctly, the lock simply slides out. the new one will slide in and lock in place by itself.
Here are the instructions and a picture to help you accomplish that.
Let me know if you have any more trouble.
how to remove ignition lock cylinder from a 1974 - 289d0bd.jpg

Posted on Feb 01, 2010

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I cannot get the plastic around the steering column off a 1985 jetta to replace the ignition. can you help with answers to remove this and the lock assy


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  1. Remove the steering wheel, then remove the steering column covers.
  2. Remove the turn signal and wiper switches.
  3. Disconnect the ignition switch wiring.
  4. On some models, the hole in the lock body for removing the ignition lock cylinder was not drilled by Volkswagen. To make the hole, use the following measurements in conjunction with the illustrations. Drill the hole where "a" and "b" intersect on the lock body. The hole should be drilled 0.19 in. (3mm) deep.

    1974-77 Dasher-a= 0.45 in. (11.5mm) b= 0.32 in. (8mm) 1975-76 Rabbit, Scirocco-a= 0.43 in. (11mm) b=0.43 in. (11 mm) 1977-89 Rabbit, Jetta, Scirocco and 1978 and later Dasher, Quantum and Fox-a= 0.47 in. (12mm) b= 0.39 in. (10mm)



  5. 0900c15280266a33.jpg
  6. enlarge_icon.gifenlarge_tooltip.gif

Fig. Fig. 1: Lock cylinder drill point on 1974-77 Dasher


0900c15280266a34.jpg enlarge_icon.gifenlarge_tooltip.gif

Fig. Fig. 2: Lock cylinder drill point on other models

  1. Remove the lock cylinder by pushing a small drill bit or piece of wire into the hole and pulling the cylinder out. It might be easier to insert the ignition key, turn it to the right a little and pull on it.

To install:
  1. Insert the lock cylinder into the housing with the key in the cylinder.
  2. While gently turning the key side-to-side, press the cylinder in to the stop. It should click into place.
  3. Temporarily fit the steering wheel onto the splines, then make sure the column locks and unlocks smoothly.
  4. Install the switches, column covers, wiring and the steering wheel.
  5. Connect the battery cable.

Let me know if you need anything else

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How to change ignition lock cylinder


Ignition Lock Cylinder REMOVAL & INSTALLATION NOTE: On 1974-76 models, equipped with A.C.R.S. perform the special procedure for removing the air cushion module from the steering wheel if necessary, prior to removing the lock cylinder. Standard Steering Column
  1. Remove the steering wheel.
  2. Remove the lockplate cover assembly.
  3. After compressing the lockplate spring, remove the snapring from the groove in the shaft. CAUTION
    When the snapring is removed do not allow the shaft to slide out the bottom of the column.
  4. Remove the lockplate, then slide the turn signal cam and the upper bearing preload spring off the upper steering shaft.
  5. Remove the thrust washer from the shaft.
  6. Remove the hazard warning switch from the column along with the turn signal lever.
  7. Use the following procedure if the car is equipped with cruise control.
    1. Attach a piece of stiff wire to the connector on the cruise control switch harness.
    2. Gently pull the harness up and out of the column.
  8. Remove the turn signal switch mounting screws.
  9. Slide the switch connector out of the bracket on the steering column.
  10. After freeing the switch wiring protector from its mounting, pull the turn signal switch straight up and remove the switch, switch harness and the connector from the column.
  11. Turn the ignition switch to ON or RUN, then insert a small drift pin into the slot next to the switch mounting screw boss. Push the lock cylinder tab and remove the lock cylinder.
  12. Installation is the reverse of the removal procedure. Fig. 1: Ignition lock removal - standard column 85878054.gif
Tilt Column
  1. Remove the steering wheel.
  2. Remove the rubber sleeve bumper from the steering shaft.
  3. Using an appropriate tool, remove the plastic retainer.
  4. Using a spring compressor, depress the upper steering shaft spring and remove the C-ring. Release the steering shaft lockplate, the horn contact carrier, and the upper steering shaft preload spring.
  5. Remove the four screws which hold the upper mounting bracket, then remove the bracket.
  6. Slide the harness connector out of the bracket on the steering column. Tape the upper part of the harness and connector.
  7. Disconnect the hazard button and position the shift bowl in Park. Remove the turn signal lever from the column.
  8. Use the following procedure for cars with cruise control.
    1. Remove the harness protector from the harness.
    2. Attach a piece of piano wire to the switch harness connector.
    3. Before removing the turn signal lever, loop a piece of piano wire and insert it into the turn signal lever opening. Using the wire, pull the cruise control harness out through the opening.
    4. Pull the rest of the harness up through and out of the column.
    5. Remove the guide wire from the connector and secure the wire to the column.
    6. Remove the turn signal level.
  9. Pull the turn signal switch up until the end connector is within the shift bowl. Remove the hazard flasher lever. Allow the switch to hang.
  10. Place the ignition key in the run position.
  11. Depress the center of the lock cylinder retaining tab with a small prytool, then remove the lock cylinder. On some model remove the lock cylinder retaining screw. To install:
  12. When assembling the lock cylinder, rotate the key to the stop position while holding the cylinder and push the cylinder in all the way.
  13. Install the retaining screw on those models so equipped, and tighten to 40 inch lbs. (4.5 Nm).
  14. Install all components in the reverse of the removal procedure order. Check switch for proper operation. Fig. 2: Installing ignition lock - tilt column 85878055.gif
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How do you replace the ignition lock cylinder for a 1972 Corvette? The cylinder is stuck in the lock position and even with the key inserted it will not turn, thus locking the steering wheel and vehicle in...


Try and turn the wheel from side to side while turning the key as it may be jammed on the locking pin... If that's a no go then you must remove the steering wheel and signal switch to access the screw that holds the cylinder in place. If you must remove the wheel go to a parts store and buy a lock plate installer to remove the circlip that holds the lock plate compressed.

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1. Disconnect Battery
2.Remove steering wheel 1 Clip then a size 13/16th Socket Clocked USE STEERING WHEEL PULLER FOR STEERING WHEEL 3. Use Steering Wheel LOCK RING Press Tool to remove it and its HOLD DOWN CLIP Horn Button & Spring will Come with it
4. Go to Lower Portion if Steering Collun and Disconnect and remove the BLACK Connecter that is Affixed to the Steer Collum
5..Back to the TOP Remove the 3 Screws that Hold the Turn Sygnal Assembly Down
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8.Now Carfully Pull the Entire Assembly OUT of the Center so as for it to be Out of your Way
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10.. Push this Button While Slightly Pulling on the Ignition Key Lock and Remove Lock. NOTE If Lock seems th NOT want to come out you will need to Insert the IGNITION Key, But I Believe this 1972 Does Not Require the KEY

INSTALATION IS REVERSE PROCEDURE KEEPING A CLOSE EYE ON DETAIL. THIS SHOULDTAKE 2 HOURS
This is Off the Cuff as Most references DO NOT go Back to 1972 And I have Conducted this Procedure Literaly Hundreds of times

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