Chevrolet Sonic Repair Manual: Brake Pipe and Hose Inspection
Warning:
Refer to Brake Fluid Irritant Warning.
Caution:
Refer to Brake Fluid Effects on Paint and Electrical Components
Caution.
- Visually inspect all of the brake pipes for the following conditions:
- Kinks, incorrect routing, missing or damaged retainers
- Leaking fittings, excessive corrosion
If any of the brake pipes exhibited any of the conditions listed, then the identified
pipe, or pipes, require replacement.
Ensure that the vehicle axles are correctly supported at ride height in order
to maintain the proper relationship of the flexible brake hoses to the chassis.
Visually inspect all of the flexible brake hoses for the following conditions:
- Kinks (1), improper routing, twists, chafing, missing or damaged retainers
- Leaking connections, perished, cracked, blistered, brittle or bulging hoses
If any of the flexible brake hoses exhibited any of the conditions listed, then
the identified flexible brake hose, or hoses require replacement.
Squeeze the flexible brake hoses with firm finger pressure to inspect for soft
spots (2), indicating an internal restriction. Inspect the entire length of each
flexible brake hose.
If any of the flexible brake hoses were found to have soft spots (2), then the
identified flexible brake hose, or hoses require replacement.
Special Tools
CH-45405 Brake Pipe Flaring Kit
For equivalent regional tools, refer to Special Tools.
Warning: Refer to Brake Fluid Irritant Warning.
Warning: Always use do ...
Removal Procedure
Remove the brake pressure modulator valve (BPMV) and bracket assembly.
Refer to Brake Pressure Modulator Valve Replacement.
Remove the BPMV boltsR ...
Other materials:
Child Restraint Systems
Rear-Facing Infant Seat
A rear-facing infant seat provides restraint with the seating surface against
the back of the infant.
The harness system holds the infant in place and, in a crash, acts to keep the
infant positioned in the restraint.
Forward-Facing Child Seat
A forward-facing chil ...
Brake Drum Diameter Measurement
Warning: Refer to Brake Dust Warning.
Remove brake drum. Refer to Brake Drum Replacement
Clean the brake shoe lining contact surface of the brake drum (2) with denatured
alcohol or an equivalent approved brake cleaner.
Using a brake drum micrometer (1) calibra ...
Fluid Cooler Outlet Hose Replacement
Removal Procedure
Remove the front bumper fascia opening lower cover.
Refer to Front Bumper Fascia Opening Lower Cover
Replacement
Remove the front wheelhouse liner inner front extension.
Refer to Front Wheelhouse Liner Inner Front Extension
Replacement
...
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