Chevrolet Sonic Repair Manual: Brake Pipe and Hose Inspection

Chevrolet Sonic Repair Manual / Chassis / Brakes / General / 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.

Brake Pipe 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 ...

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 boltsR ...

Other materials:

Tire Terminology and Definitions
Air Pressure The amount of air inside the tire pressing outward on each square inch of the tire. Air pressure is expressed in kPa (kilopascal) or psi (pounds per square inch). Accessory Weight The combined weight of optional accessories. Some examples of optional access ...

Neutral - Engine Running (Gen 2)
When the gear selector is moved to the Neutral (N) position, the hydraulic and electrical system operation is identical to Park (P) range. However, if Neutral is selected after the vehicle was operating in Reverse (R), the normally-low 35R pressure control solenoid is commanded OFF and the fol ...

Transmission Replacement (With 1.6L or 1.8L Engine)
Removal Procedure Remove the battery tray. Refer to Battery Tray Replacement. Without draining the coolant or removing the hoses, remove and position aside the radiator surge tank. Refer to Radiator Surge Tank Replacement. Remove the transmission range selector lever c ...

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