DeVille DHS V8-4.6L VIN Y (2000)
Ignition Switch Lock Cylinder: All Technical Service Bulletins
Ignition Lock Cylinder - Binding/Seizure
File In Section: 02 Steering
Bulletin No.: 00-02-35-006
Date: August, 2000
TECHNICAL
Subject:
Steering Column Ignition Lock Cylinder Binds (Replace Ignition Lock Cylinder Case Assembly)
Models:
2000 Cadillac DeVille
Built Prior to VIN Breakpoint YU315493
Condition
Some customers may comment that they are not able to rotate the ignition key from the LOCK position.
Cause
This condition may be due to plastic particles being scraped from the ignition lock cylinder case during the installation of the lock cylinder assembly.
The plastic particles can migrate into the lock cylinder tumbler slots causing the tumblers to bind and the lock bar to stick in the locked position.
Correction
Correction of the above mentioned condition will require replacement of:
^
The ignition lock cylinder case assembly (lock module assembly)
^
The vehicle theft deterrent (VTD) module assembly (coded key controller)
^
The ignition lock cylinder assembly
The new ignition lock cylinder case assembly is made of zinc and the new VTD module assembly has the new calibration requirements. Both parts have
been released in one kit, P/N 26089463 (Ignition Lock Cylinder Case with Theft Deterrent Module Assembly).
Repair Procedure
1.
Remove the ignition lock cylinder assembly.
Refer to Ignition Lock Cylinder Replacement - On Vehicle in the Steering Wheel and Column - Tilt sub-section of the Service Manual for the
removal procedure.
2.
Remove the vehicle theft deterrent (VTD) module assembly (coded key controller).
Refer to Theft Deterrent Module Replacement in the Theft Deterrent sub-section of the Service Manual for the removal procedure.
3.
On vehicle, remove the ignition lock cylinder case assembly (lock module assembly).
Refer to Electronic Column Lock Module Disassembly - Off Vehicle (Select Column Type) in the Steering Wheel and Column - Tilt sub-section
of the Service Manual for the removal procedure.
4.
Install the ignition lock cylinder case assembly (lock module assembly).
Refer to Electronic Column Lock Module - Assembly - Off Vehicle (Select Column Type) in the Steering Wheel and Column - Tilt sub-section of
the Service Manual for the installation procedure.
5.
Install the vehicle theft deterrent (VTD) module assembly (coded key controller).
Refer to Theft Deterrent Module Replacement in the Theft Deterrent sub-section of the Service Manual for the installation procedure.
6.
Code the new ignition lock cylinder assembly to the mechanical cut of the vehicle's existing keys.
Refer to Assembling and Coding Ignition Lock Cylinder procedure in the General Information sub-section of the Service Manual.
