Was the Hydraulic Brake Diagnostic System Check performed?

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Go to Step 2

Go to Hydraulic Brake Diagnostic System Check

Important: Ensure that the customer is not pressing (riding) the brake pedal during vehicle accelleration or vehicle coasting.

Inspect the brake pedal assembly for the following:

Do any of the above conditions exist?

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Go to Step 3

Go to Step 4

Repair or replace the cause of the misalignment, interference or binding.

Is the repair complete?

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Go to Hydraulic Brake Diagnostic System Check

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Inspect the brake linings for the following:

Refer to Brake Pad Inspection in Disc Brakes and Brake Shoe Inspection in Drum Brakes.

Do any of the above conditions exist?

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Go to Step 5

Go to Step 6

Replace the brake linings. Refer to Brake Pad Inspection in Disc Brakes and Brake Shoe Inspection in Drum Brakes.

Is the repair complete?

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Go to Hydraulic Brake Diagnostic System Check

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Inspect the brake assembly for missing or loose attachments. Refer to Brake Pad Inspection in Disc Brakes and Brake Shoe Inspection in Drum Brakes.

Are there any loose or missing attachments?

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Go to Step 7

Go to Step 8

Repair or replace the components as necessary.

Is the repair complete?

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Go to Hydraulic Brake Diagnostic System Check

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Check for an improperly adjusted park brake.

Is the park brake improperly adjusted?

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Go to Step 9

Go to Step 10

Adjust the park brake.

Is the repair complete?

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Go to Hydraulic Brake Diagnostic System Check

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Inspect the front suspension for loose or missing attachments.

Are there any loose or missing components?

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Go to Step 11

Go to Step 12

Repair or replace the components as necessary.

Is the repair complete?

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Go to Hydraulic Brake Diagnostic System Check

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Inspect the disc brake caliper for the following:

Do any of the above conditions exist?

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Go to Step 13

Go to Step 14

Replace the sticking or corroded components. Refer to Brake Caliper Overhaul in Disc Brakes.

Is the repair complete?

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Go to Hydraulic Brake Diagnostic System Check

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Inspect the brake fluid for contamination.

Is the brake fluid contaminated?

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Go to Step 15

Go to Step 16

Replace all of the hydraulic brake system rubber components.

1. Flush the hydraulic brake system. Refer to Hydraulic Brake System Flushing .
2. Replace the ABS modulator. Refer to Brake Modulator/Master Cylinder Assembly Replacement in Antilock Brake System.
3. Repair or replace the master cylinder. Refer to Master Cylinder Overhaul .
4. Replace the TCS modulator. Refer to Traction Control System Modulator/Motor Pack Replacement in Antilock Brake System (if equipped).
5. Replace the front brake hoses. Refer to Front Brake Hose Replacement .
6. Replace the rear brake hoses. Refer to Rear Brake Hose Replacement .
7. Repair or replace the brake calipers. Refer to Brake Caliper Overhaul or Brake Caliper Replacement in Disc Brakes.
8. Repair or replace the wheel cylinders. Refer to Wheel Cylinder Overhaul or Wheel Cylinder Replacement in Drum Brakes.
9. Flush the hydraulic brake system. Refer to Hydraulic Brake System Flushing .

Is the repair complete?

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Go to Hydraulic Brake Diagnostic System Check

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Check the brake pipes and brake hoses for the following:

Refer to Hydraulic Brake System Flushing .

Do any of the above conditions exist?

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Go to Step 17

Go to Step 18

1. Determine the area of restriction. This will involve the disassembly of individual brake lines and checking for low or no fluid output. Flush the individual brake line or hose. Refer to Hydraulic Brake System Flushing .
2. If the restriction cannot be removed, replace the applicable brake hose or the brake pipe.

Is the repair complete?

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Go to Hydraulic Brake Diagnostic System Check

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Verify the brake system operation.

Does the original condition still exist?

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Go to Step 1

System OK