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