Chevrolet Sonic Repair Manual: Lock Cylinder Coding - Ignition
The ignition lock cylinder uses 8 key cut positions, 1?E. The ignition cylinder
tumblers (3) are located on alternate sides of the cylinder (5). They are not snap-in
and are not self-retaining. It follows the key code with the first tumbler being
the first depth of the key code, closest to the head of the key.
Note:
All lock cylinders for side milled keys have right and left
tumblers. The location of the tooth of the tumbler determines whether it
is right of left. Illustrations in this procedure show the right tumblers
on the top and the left tumblers on the bottom. All tumblers are marked
1R, 1L, 2R, or 2L. The number being cut depth and the letter meaning right
or left.
- Hold the ignition cylinder assembly (5) so the side with the tumbler spring
pocket located closest to the head of the cylinder is facing up.
- Insert the tumbler spring (7) into each of the 4 spring pockets of the cylinder
assembly. This side of the cylinder used left tumblers.
- The first tumbler (3) to be loaded will be the first key cut position, which
is the first number in the key code. Install the tumbler in the slot over the
spring. Install the remaining right tumblers following the key code and same
process, pressing the tumblers in place until they are secure.
- Rotate the cylinder assembly. Insert the tumbler spring into each of the
spring pockets of the cylinder assembly. This side of the cylinder used right
tumblers.
- The first tumbler (3) to be loaded will be the second key cut position,
the second number in the key code. Install the first tumbler in the slot over
the spring. Install the remaining left tumblers following the key code and same
process, pressing the tumblers in place until they are secure.
- Inspect for correct loading of the tumblers by inserting the key into the
cylinder. All tumblers should drop flush with the lock cylinder body diameter.
- With the key in the cylinder assembly insert the round connector (6), insert
the retainer spring (2) in the retainer slot located in the cylinder assembly.
Insert the retainer (1) lining it up in the slot over the spring. Depress the
retainer and hold.
- Insert the cylinder into the sleeve (4) as shown in the print. Make sure
the actuator stays located properly in the cylinder.
- When the key is removed, the lock should stay together.
- Lightly lubricate the outside surface in the tumbler area of in the lock
body and down the key slot using the provided grease. Insert and extract the
key 5 times to lubricate the keyway.
- Insert the key and function the lock 3 times to distribute the grease inside
the sleeve.
- Verify the key position for inserting the lock into the column.
Ignition and Start Switch Replacement
Callout
Component Name
Preliminary Procedures
Disconnect the battery negative cable. Refer to ...
Special Tools
EN-6009 Remover and Installer Ignition Module
For equivalent regional tools, refer to Special Tools.
Install the ignition coil (1) and remove EN-6009 remover and ins ...
Other materials:
Front Side Door Window Regulator Handle Replacement
Front Side Door Window Regulator Handle Replacement
Callout
Component Name
1
Front Side Door Window Regulator Handle Clip
Procedure
Use the appropriate tool, remove the clip from handle.
2
...
Seat Adjustment
Manual Seats
Warning: You can lose control of the vehicle if you try to adjust
a driver seat while the vehicle is moving. Adjust the driver seat only when
the vehicle is not moving.
To adjust a manual seat:
Pull the handle at the front of the seat.
Slide the ...
Brake System External Leak Inspection
Warning: Refer to Brake Fluid Irritant Warning.
Caution: Refer to Brake Fluid Effects on Paint and Electrical Components
Caution.
In order to inspect for external brake fluid leaks, first inspect the fluid
level in the master cylinder.
While a slight brake fluid level drop c ...
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