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:
Antilock Brake System (ABS) Warning Light
This light comes on briefly when the engine is started.
If the light stays on, turn the ignition to LOCK/OFF or if the light comes on,
stop as soon as possible and turn the ignition off. Then start the engine again
to reset the system. If the light still stays on, or comes on again while driv ...
Parking Brake Cable Replacement (Disc Brake)
Removal Procedure
Remove the front floor console. Refer to Front Floor Console Replacement.
Ensure that the parking brake lever is in the fully released position.
Using ONLY HAND TOOLS, remove the adjusting nut (1) from the end of
the front park brake c ...
Secondary Air Injection System Description
The Secondary Air Injection System aids in the reduction of hydrocarbon exhaust
emissions during a cold start. This occurs when the start-up engine coolant temperature
(ECT) is between −10 to +56°C (14?E33°F), the intake air temperature (IAT) is greater
than −10°C (14°F) and it ...
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