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. 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. 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 | Inspect 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 | Inspect 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 | Inspect the brake pipes and the brake hoses for restricted passages. Refer to Hydraulic Brake System Flushing . Inspect for the following:
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 |
