Step | Action | Value(s) | Yes | No | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1 | Was the Hydraulic Brake Diagnostic System Check performed? | -- | Go to Step 2 | |||||||||||||
2 | Inspect the hydraulic brake system for leaks. Are there any leaks? | -- | Go to Step 3 | Go to Step 5 | ||||||||||||
3 |
Has the leak returned? | -- | Go to Step 4 | |||||||||||||
4 | Replace the brake hose or pipe as necessary. Refer to Front Brake Hose Replacement , Rear Brake Hose Replacement or ISO Flares Replacement . Is the repair complete? | -- | -- | |||||||||||||
5 | Inspect the disc brake pads and brake shoe linings for the following:
Refer to Brake Pad Inspection in Disc Brakes or Brake Shoe Inspection in Drum Brakes. Do any of the above conditions exist? | -- | Go to Step 6 | Go to Step 7 | ||||||||||||
6 | Replace the brake linings. Refer to Brake Pads Replacement in Disc Brakes or Brake Shoe Replacement in Drum Brakes. Is the repair complete? | -- | -- | |||||||||||||
7 | Inspect the following brake caliper assembly components for corrosion:
Are any of the above components corroded or sticking? | -- | Go to Step 8 | Go to Step 9 | ||||||||||||
8 | Replace the corroded components. Refer to Brake Caliper Overhaul or Brake Caliper Replacement in Disc Brakes. Is the repair complete? | -- | -- | |||||||||||||
9 | Inspect the brake assembly for loose, missing or broken components. Refer to Brake Pad Inspection in Disc Brakes or Brake Shoe Inspection in Drum Brakes. Are there loose, missing or broken brake assembly components? | -- | Go to Step 10 | Go to Step 11 | ||||||||||||
10 | Tighten or replace the components as necessary. Refer to Brake Pads Replacement in Disc Brakes or Brake Shoe Replacement in Drum Brakes. Is the repair complete? | -- | -- | |||||||||||||
11 |
Is the wheel cylinder leaking or binding? | -- | Go to Step 12 | Go to Step 13 | ||||||||||||
12 | Overhaul or replace the wheel cylinder. Refer to Wheel Cylinder Overhaul or Wheel Cylinder Replacement . Is the repair complete? | -- | -- | |||||||||||||
13 |
Is the brake pedal binding? | -- | Go to Step 14 | Go to Step 15 | ||||||||||||
14 | Disassemble and realign or replace components as necessary. Is the repair complete? | -- | -- | |||||||||||||
15 | Check the brake pedal for interference with other components. Inspect the brake pedal area for the following:
Are there any loose or interfering components? | -- | Go to Step 16 | Go to Step 17 | ||||||||||||
16 | Realign or reposition components as necessary. Is the repair complete? | -- | -- | |||||||||||||
17 |
Are the brake hoses or the brake pipes collapsed, bent, or kinked? | -- | Go to Step 18 | Go to Step 19 | ||||||||||||
18 | Reroute or replace the brake hoses or pipes as necessary. Refer to Front Brake Hose Replacement , Rear Brake Hose Replacement or ISO Flares Replacement . Is the repair complete? | -- | -- | |||||||||||||
19 |
Does the fluid surface in the forward reservoir show movement, or spouting? | -- | Go to Step 20 | Go to Step 21 | ||||||||||||
20 |
Does the booster output rod move? | -- | Go to Step 21 | Go to Step 22 | ||||||||||||
21 | Replace the master cylinder. Refer to Master Cylinder Replacement . Is the repair complete? | -- | -- | |||||||||||||
22 | Replace the vacuum brake booster. Refer to Power Vacuum Brake Booster Replacement . Is the repair complete? | -- | -- | |||||||||||||
23 |
Is the brake fluid contaminated? | -- | Go to Step 24 | Go to Step 25 | ||||||||||||
24 |
Is the repair complete? | -- | -- | |||||||||||||
25 | Check the master cylinder outlet ports for restricted passages. Refer to Hydraulic Brake System Bleeding . Are the outlet ports restricted? | -- | Go to Step 26 | Go to Step 27 | ||||||||||||
26 |
Is the repair complete? | -- | -- | |||||||||||||
27 |
Do any of the above conditions exist? | -- | Go to Step 28 | Go to Step 29 | ||||||||||||
28 |
Is the repair complete? | -- | -- | |||||||||||||
29 | Verify proper brake system operation. Does the original condition still exist? | -- | Go to Step 1 | System OK |
