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:

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Hood Rear Seal Replacement
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Heater Inlet Hose Replacement (LDE, LUW)
Special Tools BO-38185 Hose Clamp Pliers For equivalent regional tools, refer to Special Tools. Removal Procedure Drain the cooling system. Refer to Cooling System Draining and Filling. Disengage the heater inlet hose quick connect clip (1) at the heater ...

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