For 1990-2009 cars

Step | Action | Value(s) | Yes | No
--- | --- | --- | --- | ---
1 | Did you perform the Hydraulic Brake Diagnostic System Check? | -- | Go to Step 2 | Go to Hydraulic Brake Diagnostic System Check
2 | Inspect the brake pedal assembly for the following:

• | Bent or misaligned components

• | Binding or interference between the pedal and the booster input rod

• | Interference with other components

Are the components misaligned or binding?

--

Go to Step 3

Go to Step 4

3 | Repair or replace the cause of the misalignment, interference or binding. Did you complete the repair? | -- | Go to Hydraulic Brake Diagnostic System Check | --
4 | Inspect the brake linings for the following conditions:

• | Excessive wear

• | Uneven wear

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

Did you find a condition?

--

Go to Step 5

Go to Step 6

5 | Replace the brake linings. Refer to the following procedures:

• | Front Disc Brake Pads Replacement in Disc Brakes

• | Rear Disc Brake Pads Replacement in Disc Brakes

• | Brake Shoe Replacement in Drum Brakes

Did you complete the repair?

--

Go to Hydraulic Brake Diagnostic System Check

--

6 | Inspect the brake assembly for missing or loose attachments. Refer to Brake Pad Inspection in Disc Brakes or Brake Shoe Inspection in Drum Brakes. Are there any loose or missing attachments? | -- | Go to Step 7 | Go to Step 8
7 | Tighten or replace loose or missing components as necessary. Did you complete the repair? | -- | Go to Hydraulic Brake Diagnostic System Check | --
8 | Check for an improperly adjusted park brake. Is the park brake improperly adjusted? | -- | Go to Step 9 | Go to Step 10
9 | Adjust the park brake. Did you complete the repair? | -- | Go to Hydraulic Brake Diagnostic System Check | --
10 | Inspect the front suspension for loose or missing attachments. Refer to Fastener Tightening Specifications in Front Suspension. Are there any loose or missing components? | -- | Go to Step 11 | Go to Step 12
11 | Tighten or replace the loose or missing attachments. Refer to Fastener Tightening Specifications in Front Suspension. Did you complete the repair? | -- | Go to Hydraulic Brake Diagnostic System Check | --
12 | Inspect the disc brake caliper for the following conditions:

• | Sticking caliper pistons

• | Corroded mounting bolts

Did you find a condition?

--

Go to Step 13

Go to Step 14

13 | Replace the components. Refer to Front Brake Caliper Replacement or Rear Brake Caliper Replacement in Disc Brakes. Did you complete the repair? | -- | Go to Hydraulic Brake Diagnostic System Check | --
14 | Inspect the brake fluid for contamination. Is the brake fluid contaminated? | -- | Go to Step 15 | Go to Step 16
15 |

1. Replace all of the rubber brake system components. Refer to the following procedures:

• | Master Cylinder Replacement

• | Front Brake Hose Replacement

• | Rear Brake Hose Replacement

• | Front Brake Caliper Replacement in Disc Brakes

• | Wheel Cylinder Overhaul in Drum Brakes

• | Rear Brake Caliper Replacement in Disc Brakes

• | Brake Pressure Modulator Valve Assembly Replacement in Antilock Brakes

• | Proportioning Valve Replacement

2. Flush the hydraulic brake system. Refer to Hydraulic Brake System Flushing .

Did you complete the repair?

--

Go to Hydraulic Brake Diagnostic System Check

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16 | Inspect the brake pipes and brake hoses for the following conditions:

• | Low fluid or no fluid output

• | Particles suspended in the fluid

Refer to Hydraulic Brake System Flushing .

Did you find a condition?

--

Go to Step 17

Go to Step 18

17 |

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 brake hose or pipe as necessary. Refer to ISO Flares Replacement .
3. Flush the hydraulic brake system. Refer to Hydraulic Brake System Flushing .

Did you complete the repair?

--

Go to Hydraulic Brake Diagnostic System Check

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18 | Verify the brake system operation. Does the original condition still exist? | -- | Go to Step 1 | System OK