Hi,
I believe you will need to remove the ignition lock case. Take a look through these directions and see if they will be helpful.
Note: The attached pic correlates with the directions. Note this is for the removal of the entire lock cylinder case unit. If you want only the lock, let me know.
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2003 GMC Truck C 1500 Truck 2WD V8-4.8L VIN V
Ignition Lock Cylinder Case
Vehicle Steering and Suspension Steering Steering Column Service and Repair Removal and Replacement Ignition Lock Cylinder Case
IGNITION LOCK CYLINDER CASE
Removal Procedure
1. Disable the SIR system.
2. Remove the ignition switch. See: Steering Column > Removal and Replacement > Ignition Switch
3. Remove the turn signal cancel cam. See: Steering Column > Removal and Replacement > Tilt Head Housing
4. Remove the park lock cable from the lock cylinder housing.
See pic 1
5. Remove 3 TORX screws.
6. Remove the lock cylinder housing from the steering column.
Installation Procedure
Notice: Refer to Fastener Notice. See: Engine, Cooling and Exhaust > Vehicle Damage Warnings > Fastener Notice
see pic 2
1. Install 3 TORX screws into the lock cylinder housing. Tighten the TORX screws to 7 Nm (62 in. Lbs.)
2. Install the turn signal cancel cam. See: Steering Column > Removal and Replacement > Tilt-Head Housing
3. Install the park lock cable into the lock cylinder housing.
4. Install the ignition switch. See: Steering Column > Removal and Replacement > Ignition Switch
5. Enable the SIR system.
Let me know if this helps.
Joe
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Monday, February 8th, 2021 AT 12:22 PM
(Merged)