Chevrolet Sonic Repair Manual: Rear Compartment Lid Lock Cylinder Coding
The rear compartment lid lock cylinder uses 7 of the 7 cut positions. The tumbler positions are staggered from side to side, 4 on one side and 3 on the other, are not self-retaining, and are not snap in.
- Tumbler spring (2) and tumbler (3) are to be assembled into the cylinder (1). In this case start with the tumbler nearest the cylinder head and work through until the last tumbler at the base. Use the key as a tool by pushing it in step by step to hold the already assembled tumblers in place.
- Check the correct loading of the tumblers by inserting the key into the cylinder. All tumblers should be flush with the lock cylinder body.
- Assemble the restoring spring (4) onto the rear of the cylinder.
- Tape the pad (5) onto the housing (6).
- Grease the housing.
- Insert the lock cylinder (1) into the housing (6). Remove the key from the cylinder.
- Install the lever (7) onto the end of the cylinder (1).
- Attach the E-ring (8) to the cylinder, then crimp it to retain the lever assembly.
- Snap the rod retainer (9) into the hole in the lever (7).
- Insert the key into the lock and function the lock to check for proper assembly and smooth operation.
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 or 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.
Lock Cylinder Coding - Ignition
The ignition lock cylinder uses 8 key cut positions, 1–8. The ignition cylinder
tumblers (3) are located on alternate sides of the cylinder (5). They are not snap-in
and ar ...
Rear Side Door Lock Cylinder Opening Cover Replacement
Rear Side Door Lock Cylinder Opening Cover Replacement
Callout
Component Name
1
Rear Side Door Lock Cylinder Opening Cov ...
Other materials:
Rear Side Door Trim Replacement (Hatchback)
Rear Side Door Trim Replacement
Callout
Component Name
Preliminary Procedure
Remove the rear side door upper rear trim panel. Refer to Rear Side Door
Upper Rear Trim Panel Replacement.
1
Rear Si ...
SIR Service Precautions
General Service Instructions
Warning: When performing service on or near the SIR components
or the SIR wiring, the SIR system must be disabled. Refer to SIR Disabling
and Enabling . Failure to observe the correct procedure could cause deployment
of the SIR components, person ...
Crankshaft Position System Variation Learn
Note: The crankshaft position sensor system variation learn procedure
is required when the following service procedures have been performed, regardless
of whether DTC P0315 is set:
Engine replacement
Engine control module (ECM) replacement
Crankshaft damper replacement
...
0.0063