924-790 INSTALL/REMOVAL INSTRUCTIONS: IGNITION LOCK
ATTENTION
Refer to the appropriate shop manual for your vehicle to obtain specific service procedures for this part. If you do not have a service manual or lack the skill to install this part, it is recommended that you seek the services of a qualified technician. Pay special attention to all cautions and warnings included in the shop manual. Read and follow all instructions carefully.
REMOVAL/INSTALL OF IGNITION LOCK (924-790)
Compatible Vehicles: Buick (1978–1996), Cadillac (1978–1992), Chevrolet (1978–2002), GMC (1978–2002), Jeep (1985–1993), Oldsmobile (1978–1996), Pontiac (1978–1996)
General Tech Tip
A steering wheel puller and a steering column lock plate removal tool are required to perform this repair. These can be purchased or rented from your local auto parts store.
? PLEASE WEAR SAFETY GLASSES!
Removal Instructions
- STEP 1: Disconnect negative battery cable.
- STEP 2: Remove horn pad. NOTE: The horn pad displayed may have different attaching points from your vehicle, as they vary among models and years.
- STEP 3: Remove horn contact button.
Diagram shows the steering column area with labels indicating where to remove the horn contact button and the steering wheel retaining nut.
- STEP 4: Remove steering wheel nut retainer and nut.
- STEP 5: Using a marker, make reference marks on steering wheel and shaft to maintain original alignment.
- STEP 6: Remove steering wheel with appropriate puller.
Diagram shows a steering wheel puller tool attached to a steering wheel hub.
- STEP 7: Using a marker, make reference marks on locking plate to maintain correct orientation.
- STEP 8: Remove wheel locking plate by using lock plate tool to relieve plate tension.
Diagram shows a lock plate compression tool being used on the steering column shaft to relieve tension on the wheel locking plate.
- STEP 9: Remove snap ring while plate is compressed.
Diagram shows a lock plate compression tool in use and an arrow pointing to the snap ring to be removed while the plate is compressed.
- STEP 10: Remove turn signal cancelling cam.
Diagram shows the turn signal cancelling cam assembly with an arrow pointing to the cam to be removed.
- STEP 11: Remove hazard flasher button.
Diagram shows the hazard flasher button mechanism.
- STEP 12: Remove turn signal lever screw and lever.
Diagram shows the turn signal lever mechanism with an arrow pointing to the screw to be removed.
- STEP 13: Remove turn signal switch mounting screws.
Diagram shows arrows indicating the mounting screws for the turn signal switch.
- STEP 14: It is not necessary to completely remove switch from column. Lift turn signal switch out of way to gain access to lock cylinder release tab.
- STEP 15: Remove key buzzer switch, if equipped. This can be gently pried off with a pick or similar tool.
Diagram shows the key buzzer switch with an arrow pointing to it, indicating it can be gently pried off.
- STEP 16: Ensure ignition is turned to the off position.
- STEP 17: Remove lock cylinder retaining screw and pull lock cylinder from column.
Diagram shows the ignition lock cylinder area with labels for the key buzzer switch and the ignition lock retaining screw.
Installation Instructions
- STEP 1: Install new ignition lock into column and reinstall and tighten retaining screw.
- STEP 2: Reinstall key buzzer switch, if equipped.
- STEP 3: Reinstall turn signal switch and mounting screws.
Diagram shows the turn signal switch assembly with arrows indicating where mounting screws are reinstalled.
- STEP 4: Reinstall turn signal lever screw and lever.
Diagram shows the turn signal lever mechanism with an arrow pointing to the screw to be reinstalled.
- STEP 5: Reinstall hazard flasher button.
- STEP 6: Reinstall turn signal cancelling cam.
Diagram shows the turn signal cancelling cam assembly with an arrow pointing to the cam to be reinstalled.
- STEP 7: Reinstall wheel locking plate by using lock plate compression tool to compress plate tension and install snap ring. Be sure to reference marks made during removal to maintain original orientation.
Diagram shows a lock plate compression tool being used to compress the wheel locking plate for snap ring installation.
- STEP 8: Reinstall steering wheel using marks made during removal to maintain original orientation.
- STEP 9: Reinstall steering wheel nut retainer and nut.
- STEP 10: Reinstall horn contact button.
Diagram shows the horn contact button area with an arrow pointing to it for reinstallation.
- STEP 11: Install horn pad.
- STEP 12: Reconnect negative battery cable.
We appreciate your opinions regarding this product! Please call our Technical Assistant with any challenges or suggestions regarding the installation or operation of this product.
1-800-523-2492
