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:
Daytime Running Lamps (DRL)
DRL can make it easier for others to see the front of your vehicle during the
day. Fully functional DRL are required on all vehicles first sold in Canada.
This indicator light turns on in the instrument cluster when the DRL are on.
A light sensor on top of the instrument panel makes the DRL wo ...
Fuel Tank Fuel Pump Module Replacement
Special Tools
EN-48279 Fuel Sender Lock Ring Tool
For equivalent regional tools, refer Special Tools.
Removal Procedure
Relieve the fuel system pressure. Refer to Fuel Pressure Relief
Remove the fuel tank. Refer to Fuel Tank Replacement.
Disconnect the electrical c ...
Knock Sensor System Description
Circuit/System Description
The knock sensor system enables the engine control module (ECM) to control
the ignition timing for the best possible performance while protecting the engine
from potentially damaging levels of detonation. The ECM uses the knock sensor
system to test for ...
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