Chevrolet Sonic Owner's Manual: Underbody Maintenance
At least twice a year, Spring and Fall, use plain water to flush dirt and debris from the vehicle's underbody. Your dealer or an underbody car washing system can do this. If not removed, rust and corrosion can develop.
Body Component Lubrication
Lubricate all key lock cylinders, hood hinges, liftgate hinges, and the fuel
door hinge unless the components are plastic. Applying silicone grease on weatherstrips
with a clean cloth will make th ...
Sheet Metal Damage
If the vehicle is damaged and requires sheet metal repair or replacement, make
sure the body repair shop applies anti-corrosion material to parts repaired or replaced
to restore corrosion protecti ...
Other materials:
Safety Locks
The rear door safety locks prevent passengers from opening the rear doors from
inside the vehicle.
Manual Safety Locks
If equipped, the safety lock is located on the inside edge of the rear doors.
To use the safety lock:
1. Insert the key into the safety lock slot and turn it so the slot is ...
Brake Pressure Modulator Valve Bracket Replacement
Removal Procedure
Remove the brake pressure modulator valve (BPMV) and bracket assembly.
Refer to Brake Pressure Modulator Valve Replacement.
Remove the BPMV bolts (1).
Remove the BPMV bracket.
Installation Procedure
Install the BPMV br ...
Synchronizers Cleaning and Inspection
Note: When servicing the synchronizers, retain them in the order
that they are removed. Mark the parts to ensure the correct position for
inspection and assembly.
Clean all the synchronizer parts in a suitable cleaning
solvent and air dry all the parts.
Inspect the 1 ...
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